# RMP-RENAL-004 Fluid intake and urine output log for a possible dehydration concern: private log, read-only waste-system data, relay to the flight surgeon (the robot never judges hydration or advises fluids)
# Version 0.4 (Draft). CONCEPTUAL. NOT FOR CLINICAL USE.
# Space Medicine Foundation robot-readable protocol library. Format: https://spacemedicinefoundation.org/robotic-medicine/protocols/schema/
# Every threshold marked <set by ...> must be set by the named owner (see the schema) before any use.
schema_version: '0.3'
version: '0.4'
status: draft
conceptual: true
not_for_clinical_use: true
max_autonomy: 2
missions:
- leo
- commercial
- moon
- mars
updated: '2026-10-21'
review:
  state: reviewed-ai-assisted
  requested: '2026-10-20'
  reviewed: '2026-10-20'
  human_clinician_review: false
  text: >-
    AI-assisted clinical and source review by the Medical Research Assistant, Oct 20, 2026 (batch 4 review,
    28 required corrections and 23 optional suggestions); all required corrections, and the optional ones
    that could be verified, are applied in this version (see Corrections). No named human clinician has
    reviewed it.
fixed_rules:
  flight_surgeon_is_medical_authority: true
  cmo_acts_under_delegated_care: true
  human_starts_and_restarts_robot: true
  robot_never_diagnoses: true
  no_drug_or_fluid_advice_by_robot: true
  safe_state_on_fault_or_no_response: true
  lost_link_pause_then_cmo_decides: true
robot_lockouts:
  diagnosis: true
  drug_or_fluid_advice: true
  starting_stopping_or_adjusting_oxygen_or_any_medicine: true
  self_start_or_self_restart: true
  changing_own_protocol_thresholds_or_limits: true
  handing_over_a_mismatched_item_as_verified: true
id: RMP-RENAL-004
slug: rmp-renal-004
title: >-
  Fluid intake and urine output log for a possible dehydration concern: private log, read-only waste-system
  data, relay to the flight surgeon (the robot never judges hydration or advises fluids)
category: renal
tier: 2
rung_note: >-
  Tier 2 as in the library contents. A logging aid: it reads waste-system and drink-dispenser data read-only,
  fetches a drink pouch only when the crewmember asks, and handles no urine or waste.
result_language:
  use:
  - logged, not interpreted
  - sent to flight surgeon
  - as reported by the crewmember
  - as recorded by the waste system
  never:
  - normal
  - no problem found
  - all clear
  - negative
  - any diagnosis or cause
  - dehydrated
  - not dehydrated
  - well hydrated
  - enough
  - not enough
  - drink more
  - on target
  - behind target
  - safe
  - mild
  - minor
scope:
  summary: >-
    When the flight surgeon or CMO asks for a fluid log (for example during vomiting or diarrhea, heat
    or hard exercise, fever, a kidney stone concern, or before landing), or a crewmember reports thirst,
    dark urine or passing little urine, the robot keeps a private log: red flags first; drinks taken and
    urine passed, with clock times, as the crewmember reports them; and waste-system and drink-dispenser
    data, read only, if the crewmember agrees. It shows the crewmember their own log as a clock-time timeline
    and sends summaries to the flight surgeon. It never says whether anyone is dehydrated, never says
    how much to drink, and handles no urine or waste.
  why: >-
    NASA-STD-3001 links water supply to hydration: dehydration can cause poor communication and performance,
    dry mucous membranes, nosebleeds, headache, malaise and fitful sleep, and, if it goes on, urinary
    tract infection or kidney stones [V2 6109 rationale]; at least 2.5 liters of water per crewmember
    per day must be provided, and 1.5 liters per crewmember is held for fluid loading before reentry [V2
    6110 and V2 6109 rationale]. In long-duration crewmembers, urine volume was 47% lower early in the
    mission and 39% lower late in the mission, and the kidney stone evidence report models a target of
    2.5-3 liters of urine a day while noting that the 2.5 liters of water is not always achievable (NASA
    renal evidence report, 2024). Spaceflight reduces the fluid volume in the blood vessels by around
    15%, and fluid loading before deorbit (24-48 oz of salt-water solution) is used against fainting on
    return (NASA TB-019). NASA records list 2 dehydration events on the ISS through Expedition 40. An
    exact log lets the flight surgeon judge hydration with the facts; the robot does not. For an acute
    stone attack, a Cochrane review found no reliable evidence that forced or high-volume fluids help;
    this concerns pushing fluids, not treating dehydration, which the flight surgeon decides (Worster
    2012). Fluid-loading reminders before landing stay locked out in this version, as the review advised
    (they would act like fluid advice). The 2.5 liters is a supply requirement, not an intake target,
    and appears only as context.
  covers:
  - >-
    A fluid log requested by the flight surgeon or CMO, or started by a crewmember who reports thirst,
    dark urine or passing little urine, in a crewmember who is awake and answering
  - Repeat check-ins until the crewmember and flight surgeon close the log
  - >-
    Vomiting or diarrhea also run RMP-GI-002; trouble passing urine runs RMP-RENAL-002; side or back pain
    runs RMP-RENAL-001
  locked_out:
  - Saying whether anyone is dehydrated, or how much to drink, or setting or showing an intake target
  - Fluid-loading reminders before landing (kept locked out in v0.2 by the review)
  - Prompting, reminding or encouraging drinking during a suspected or confirmed stone episode
  - >-
    Suggesting, choosing, fetching or dosing any medicine, salt tablet or rehydration product (a human
    order and RMP-PHARM-001 are needed)
  - Handling urine, samples, waste or waste-system parts
  - Changing any waste-system or water-system setting (read only)
  - Bringing a drink pouch when "nothing by mouth" is logged (the request goes to the CMO)
  - Touching, holding or restraining the crewmember
  - Being present in, or recording, the hygiene area
  related:
  - RMP-GI-002
  - RMP-GI-003
  - RMP-RENAL-001
  - RMP-RENAL-002
  - RMP-RENAL-003
  - RMP-INF-001
  - RMP-CARD-001
  - RMP-NEURO-004
  - RMP-PHARM-001
roles:
  medical_authority: Flight surgeon (ground). Holds medical authority for every run.
  onboard_lead: >-
    Crew medical officer (CMO), acting under delegated care; uses the pre-approved onboard checklist when
    there is no link.
  others:
  - 'Crewmember on the log: reports drinks and urine privately and can stop or pause the log at any time'
  - 'Second trained CMO: receives alerts if the CMO is the patient'
  robot_may:
  - Run private check-ins and log answers word for word, with clock times
  - >-
    Read the waste-system and drink-dispenser data for the crewmember, read only, if the crewmember agrees
  - >-
    Bring a drink pouch the crewmember asks for (unless "nothing by mouth" is logged; then route the request
    to the CMO)
  - Show the crewmember their own log as a clock-time timeline
  - Send summaries to the flight surgeon; alert the CMO and flight surgeon on a red flag
  robot_may_not:
  - Say whether anyone is dehydrated or how much to drink
  - Show or set an intake target, or give fluid-loading reminders
  - Suggest, fetch or dose any medicine or rehydration product without a human order
  - Handle urine, samples or waste, or change any system setting
  - Touch the crewmember
  - Start without a human command
  commercial: >-
    On commercial flights, 'flight surgeon' and 'CMO' mean the operator's designated medical authority
    and trained onboard responder. If no trained responder is aboard, this protocol is not used. (NASA-STD-3001
    requires two CMOs per vehicle for NASA programs [V1 3006]; FAA rules set no medical standards for
    spaceflight participants.)
preconditions:
- id: PRE-1
  text: >-
    A crewmember (the one on the log, or the CMO at the flight surgeon's request) started the log by command,
    and the crewmember agreed.
  check: human_start == true
  refs:
  - V2 10174
- id: PRE-2
  text: The crewmember is awake and answering. If not, stop and alert at once (X7).
  check: crew_responsive == true
- id: PRE-3
  text: Check-ins are private; urine questions can be answered on the crewmember's own screen.
  refs:
  - V1 3004
- id: PRE-4
  text: Robot self-test passed; its access to waste-system and drink-dispenser data is read only.
  refs:
  - V2 10161
- id: PRE-5
  text: Link status and current delay known.
  check: link_state in [live, delayed, down]
consent:
  standard: >-
    The crewmember agrees to the log and chooses voice or screen. Reading waste-system or drink-dispenser
    data needs the crewmember's agreement; read access ends when the log closes or the crewmember withdraws,
    and other crewmembers never see it. Any question can be declined; an explicit "no" is logged as declined
    for that question only.
  emergency: >-
    If the crewmember cannot answer, the robot does not continue the log; it sends an URGENT alert and
    a crewmember checks in person (X7).
  withdrawal: The crewmember can stop or pause the log at any time; an alert already sent is not withdrawn.
inputs:
- id: IN-1
  name: >-
    Red-flag questions: confusion or drowsiness; dizziness or fainting; no urine passed; trouble passing
    urine; unable to keep fluids down; fever or shaking chills; pain in the side or back, blood in the
    urine, or pain passing urine
  source: Crewmember, by voice or on screen
  required: true
  if_missing: Log "no response"; URGENT; the CMO checks in person. Never logged as declined.
- id: IN-2
  name: >-
    Drinks taken since the last check-in, with clock times and amounts as the crewmember reports them,
    and drink-dispenser data if agreed (read only)
  source: Crewmember; drink-dispenser data
  required: true
  if_missing: Log "no response" and apply D2.
- id: IN-3
  name: >-
    Urine passed since the last check-in, with clock times, as the crewmember reports, and the waste-system
    record of voids and volumes if it records them and the crewmember agrees (read only)
  source: Crewmember; waste-system data
  required: true
  if_missing: Log "no response" and apply D2.
- id: IN-4
  name: Vomiting, diarrhea, heavy sweating, hard exercise or heat, as reported
  source: Crewmember
  required: false
  if_missing: Log "not reported".
- id: IN-5
  name: >-
    Heart rate, blood pressure, temperature and body mass, entered by the CMO when the CMO chooses (recorded,
    not interpreted)
  source: Entered by the CMO
  required: false
  if_missing: Log "not measured". A missing value is never treated as reassuring.
- id: IN-6
  name: >-
    Intake and urine levels the flight surgeon set for the flags (RF8, RF9), and any "nothing by mouth"
    order
  source: Flight surgeon; medical record
  required: false
  if_missing: No intake or urine flag is shown; tell the CMO. Treat as no order for drinks; ask the CMO
    if unsure.
- id: IN-7
  name: Link status and delay
  source: Communications system
  required: true
  if_missing: Treat as link down.
steps:
- id: S1
  actor: robot
  rung: 2
  action: >-
    On a crewmember's command, open the private fluid log, tell the CMO, and send a "fluid log started"
    note to the flight surgeon (queued if the link is down).
  success: CMO acknowledges; note delivered or queued.
  refs:
  - V2 10174
  - V1 6003
- id: S2
  actor: robot
  rung: 2
  action: >-
    Run a private check-in by voice or on the crewmember's screen: red-flag questions first, then drinks
    taken and urine passed since the last check-in, with clock times, as reported. Log answers word for
    word. D1 is checked after every answer.
  success: Answers logged, or "no response" logged.
  refs:
  - V1 3004
- id: S3
  actor: robot
  rung: 2
  action: >-
    If the crewmember agrees, read the waste-system and drink-dispenser data for the crewmember, read
    only, and add it to the log labelled "as recorded by the waste system" or "as recorded by the dispenser".
    It never changes a setting and never handles urine or waste.
  success: Data added, or "not available" logged.
  refs:
  - V2 10163
- id: S4
  actor: robot
  rung: 2
  action: >-
    Bring a drink pouch only when the crewmember asks (unless "nothing by mouth" is logged; then route
    the request to the CMO), and restrain it within reach. It never says how much to drink.
  success: Pouch within reach, or request routed to the CMO.
  limit: <set by validation>
  refs:
  - V2 7046
- id: S5
  actor: robot
  rung: 2
  action: >-
    Show the crewmember their own log as a clock-time timeline, with no target, colour or words about
    whether it is enough.
  success: Timeline shown; the crewmember can add notes.
- id: S6
  actor: crew
  action: >-
    The CMO sees the crewmember in person when asked or on any red flag, and measures as the CMO chooses.
    Any fluid plan or medicine is decided by the CMO or flight surgeon.
  success: CMO entries logged.
  refs:
  - V1 3004
- id: S7
  actor: robot
  rung: 2
  action: >-
    After any URGENT alert: After an URGENT alert the robot does not leave on its own: it stays at its
    rest position in the module, with its screen and voice link available, until a human has taken over
    or tells it to go. It never follows, blocks or touches anyone. It keeps time-stamping what humans
    say they did, and repeats the alert if it is not acknowledged.
  success: Robot at rest in the module until a human releases it; alert acknowledged or escalated.
  refs:
  - V2 10173
  - V1 3006
- id: S8
  actor: robot
  rung: 2
  action: >-
    Every <set by flight surgeon> hours, or before each private medical conference, send the flight surgeon
    a summary: drinks and urine over time (as reported and as recorded), other losses reported, CMO entries
    and alerts.
  success: Summary delivered or queued.
  refs:
  - V1 6003
  - V1 7001
  - V1 7003
- id: S9
  actor: ground
  action: >-
    The flight surgeon (or the CMO under the onboard checklist when there is no link) decides any fluid
    plan, fluid loading before landing, testing, medicine and work limits. The robot logs the decisions.
  success: Decision logged.
  refs:
  - V1 3004
  - V2 6109
- id: S10
  actor: robot
  rung: 2
  action: >-
    Offer a private check-in every <set by flight surgeon> hours until the crewmember and flight surgeon
    close the log. At each scheduled time the robot prompts the crewmember on their own screen; it approaches
    only when the crewmember (or the CMO) accepts, and a prompt never starts the robot. A routine check-in
    never wakes a sleeping crewmember.
  success: Each prompt accepted, postponed or answered; log closed by a human.
  refs:
  - V2 10174
decisions:
- id: D1
  after: S2
  decided_by: robot
  question: >-
    Checked after every answer and at any point in the run (even mid-question or mid-step): does any answer,
    reading or observation meet a red flag?
  branches:
  - if: 'Yes'
    then: >-
      Stop the current question or step at once and apply the action listed for each matching red flag
      (URGENT alert, flag, or stop), with the answer or reading itself, never a cause. Every URGENT alert
      goes to the CMO and the flight surgeon at the same time (queued for the flight surgeon if the link
      is down). If the CMO is the patient, is busy treating, or does not answer, the alert goes to the
      second trained CMO, or the crewmember named before flight [V1 3006]. An URGENT alert that is not
      acknowledged within <set by validation> seconds is repeated and sent to the next named crewmember.
  - if: 'No'
    then: Continue.
- id: D2
  after: S2
  decided_by: robot
  question: Did the crewmember answer the check-in?
  branches:
  - if: 'Yes'
    then: Continue.
  - if: Declined explicitly (the crewmember says no to a question)
    then: Log "declined" for that question only; the alert already sent stands.
  - if: No response, or the answer does not make sense
    then: >-
      URGENT: log "no response" (never "declined"); the CMO, or the second trained CMO if the CMO is the
      patient, checks the crewmember in person at once.
- id: D3
  after: S9
  decided_by: ground
  question: What is the plan (fluids, fluid loading, testing, medicine, work limits)?
  branches:
  - if: Link live
    then: Flight surgeon decides; robot logs.
  - if: Link down or delay too long
    then: >-
      The CMO decides under the pre-approved onboard checklist; the flight surgeon reviews the log at
      the next contact.
stop_rules:
- id: X1
  trigger: The patient (or the crewmember being examined) says stop, or withdraws consent
  action: >-
    Robot stops all motion at once, backs away to its rest position and tells the CMO. Recording stops
    unless the patient agrees to keep it running.
  level: stop
  refs:
  - V2 10165
- id: X2
  trigger: Any crewmember presses stop or takes over control
  action: Protective stop; robot holds its stopped position; only a human may restart it.
  level: safe-state
  refs:
  - V2 10165
  - V2 10168
  - V2 10174
- id: X3
  trigger: Robot fault, sensor fault, or a force, speed or reach limit is reached
  action: Protective stop and hand control to the CMO; log the fault.
  level: safe-state
  refs:
  - V2 10172
  - V2 10168
- id: X4
  trigger: CMO is asked to take over and does not respond (for example, the CMO is the patient)
  action: Robot stays stopped; the next named crewmember is called.
  level: safe-state
  refs:
  - V2 10173
  - V2 7045
- id: X5
  trigger: Loss of link, or delay longer than the limit for live guidance
  action: >-
    Only the robot pauses; crew care never waits for the link or the robot. Robot pauses any movement
    in its stopped position and tells the CMO. The CMO decides whether to continue offline under the pre-approved
    onboard checklist; the robot resumes only on the CMO's confirmation. Everything is logged and sent
    to the flight surgeon at the next contact.
  level: pause
  refs:
  - V2 10172
  - V2 10173
- id: X6
  trigger: An URGENT alert is not acknowledged within the set time
  action: >-
    Robot repeats the alert and sends it to the next named crewmember (the second trained CMO first if
    the CMO is the patient), and keeps repeating at the set interval. It stays where it is: it does not
    leave on its own.
  level: urgent
  refs:
  - V1 3006
  - V2 10173
- id: X7
  trigger: The crewmember stops responding, or seems confused or drowsy, at any point
  action: >-
    URGENT alert at once, even mid-question or mid-step; the robot stops its current task, stays at its
    rest position and does not continue the run; a crewmember checks in person.
  level: urgent
- id: X8
  trigger: A crewmember asks the robot what is wrong, or for medicine, fluid or treatment advice
  action: >-
    Robot declines, says it cannot assess or advise, and routes the question to the CMO or flight surgeon.
  level: stop
red_flags:
- id: RF1
  sign: Confusion, drowsiness or a new change in behavior
  threshold: any
  action: URGENT alert to the CMO and flight surgeon; the CMO checks in person
  source: ng253
- id: RF2
  sign: Fainting, or dizziness on moving or standing
  threshold: any
  action: URGENT alert; the CMO checks in person
  source: tb019
- id: RF3
  sign: No urine passed
  threshold: >-
    for <set by clinical lead> hours (shared parameter NO_URINE_HOURS, the same value in RMP-RENAL-004
    and RMP-GI-003)
  action: URGENT alert; see RMP-RENAL-002
  source: ng253
- id: RF4
  sign: Trouble passing urine, or a full bladder that will not empty
  threshold: any
  action: URGENT alert; see RMP-RENAL-002
  source: mtb004
- id: RF5
  sign: Unable to keep fluids down
  threshold: any (more sensitive than RMP-GI-002 RF4 by design; the clinical lead decides)
  action: URGENT alert; see RMP-GI-002
  source: mtb004
- id: RF6
  sign: Fever or shaking chills
  threshold: >-
    <set by clinical lead> degrees (shared parameter FEVER_ALERT_C: body temperature in degrees Celsius,
    the same value in RMP-GI-003, RMP-ENT-002, RMP-SKIN-002 and RMP-RENAL-004) or higher, or any shaking
    chills
  action: >-
    URGENT alert; see RMP-INF-001. For the clinical lead setting FEVER_ALERT_C: resting core temperature
    rose by about 1 °C over long missions (Stahn 2017); the clinical lead may take this into account
  source: ng253
- id: RF7
  sign: Pain in the side or back, blood in the urine, or pain passing urine
  threshold: any (never waits for a time limit)
  action: >-
    URGENT alert; see RMP-RENAL-001; the log continues as a record only; any fluid plan is the flight
    surgeon's (no forced or high-volume fluids for acute colic; see RMP-RENAL-001)
  source: renal24
- id: RF8
  sign: Fluid intake below the level the flight surgeon set, as logged
  threshold: >-
    below <set by flight surgeon> liters in 24 hours (for context, NASA-STD-3001 provides at least 2.5
    liters of water per crewmember per day; that is a supply requirement, not an intake target)
  action: Flag to the flight surgeon; the robot says nothing to the crewmember about the amount
  source: v2
- id: RF9
  sign: Urine volume below the level the flight surgeon set, where the waste system records it
  threshold: >-
    below <set by flight surgeon> liters in 24 hours (for context, the NASA kidney stone model aims for
    2.5-3 liters of urine a day, and stone risk rises below 1.5 liters a day)
  action: Flag to the flight surgeon
  source: renal24
safety_limits:
- id: L1
  name: Contact with the crewmember
  value: not allowed
  enforced: Keep-out zone in the robot controller
  refs:
  - V2 10172
- id: L2
  name: Handling urine, samples or waste
  value: not allowed
  enforced: No waste-handling task is loaded for this protocol
- id: L3
  name: Writing to waste-system or water-system settings
  value: not allowed
  enforced: Read-only data access
- id: L4
  name: Robot speed near the crewmember
  value: <set by validation>
  enforced: Hard limit in the controller
  refs:
  - V2 10172
- id: L5
  name: Check-in length
  value: <set by validation>
  enforced: Timer; then the check-in ends
logs:
- id: LOG-1
  text: Every input, robot action, decision (with who made it) and hand-off, time-stamped to the second.
  refs:
  - V2 10163
  - V2 10164
- id: LOG-2
  text: Mode changes and safety-limit events are announced to the operator as they happen and logged.
  refs:
  - V2 10162
  - V2 10172
- id: LOG-3
  text: >-
    Records are stored and sent as private medical data, encrypted, with access limited to the medical
    team.
  refs:
  - V1 6003
  - V1 7003
- id: LOG-4
  text: Results are kept in a permanent, retrievable format so the flight surgeon can see trends.
  refs:
  - V1 7001
- id: LOG-5
  text: >-
    Each check-in time and answer, each read of waste-system or dispenser data, each drink pouch brought,
    and each alert, so the flight surgeon can follow the trend.
- id: LOG-6
  text: >-
    Each URGENT alert, who received it, the time it was acknowledged (or the escalation to the next named
    crewmember), and the time a human released the robot.
  refs:
  - V2 10163
requirements:
- id: V1 3003
  use: Periodic monitoring of general health status in flight (item a).
- id: V1 3004
  use: >-
    In-mission care includes recording the history (d), privacy (c), and monitoring and trending physiological
    signs (h); any fluid plan or medicine (m) is a human decision.
- id: V1 3006
  use: >-
    Two trained CMOs per vehicle for NASA programs; the second trained CMO receives alerts when the CMO
    is the patient (see the commercial-flight note).
- id: V1 6003
  use: Logs and alerts sent to the ground are private medical communications.
- id: V1 7001
  use: Records kept so the flight surgeon can see trends.
- id: V1 7003
  use: Secure handling of medical records.
- id: V2 6109
  use: >-
    Minimum water quantities for drinking and fluid loading; the robot logs intake against nothing and
    shows no target.
- id: V2 6110
  use: >-
    The minimum water needed per crewmember per day is 2.5 L (rationale); used as context only, never
    as an intake target.
- id: V2 7045
  use: Usable by non-physician crew, including when the CMO is the patient.
- id: V2 7046
  use: Patient, caregiver and supplies restrained.
- id: V2 10161
  use: Robot shows its status and health.
- id: V2 10162
  use: Mode changes are announced to the operator.
- id: V2 10163
  use: Robot records and shares its data.
- id: V2 10164
  use: Shows whether the human or the robot is expected to act.
- id: V2 10165
  use: Human can override and shut down the robot.
- id: V2 10168
  use: Human can take over.
- id: V2 10172
  use: Protective stop when a limit is exceeded.
- id: V2 10173
  use: Robot stays stopped if no one takes over.
- id: V2 10174
  use: Only a human starts or restarts the robot.
validation:
- stage: simulation
  what: >-
    Scripted check-ins covering every red flag, no response, a "nothing by mouth" order, missing waste-system
    data, a CMO who is the patient, and lost link.
  pass: >-
    Every red flag acts as listed; zero hydration judgments or fluid advice; zero targets shown; zero
    writes to system settings; zero self-starts.
- stage: Earth analog
  what: Isolation or bed-rest analog volunteers logging drinks and urine with the robot (no illness needed).
  pass: >-
    Agreement with a measured reference log at or above <set by validation>; volunteers rate the check-ins
    as private and not intrusive.
- stage: flight use under flight surgeon supervision
  what: First use as a logging aid alongside the usual medical conferences.
  pass: No safety events; the flight surgeon finds the log useful.
signoff:
  protocol:
  - Clinical lead for the specialty (sets every clinical threshold marked <set by clinical lead>)
  - Flight surgeon, as medical authority
  - Robotics and medical-device safety board
  - Program approval for the mission
  restart_after_stop: >-
    Human only. After any emergency or protective stop, a crewmember must restart the robot; the robot
    never restarts itself.
  each_run: >-
    Started by a crewmember. The flight surgeon reviews the log; red flags go to the CMO and flight surgeon
    at once.
change_control:
- Every change gets a new version number and a written reason; earlier versions are kept.
- >-
  Any change to steps, thresholds, limits or software that touches the patient repeats validation from
  the simulation stage before use.
- >-
  Software and learned-skill updates follow a pre-agreed change plan (what may change, how it is tested,
  how to roll back), modeled on the FDA predetermined change control plan approach.
- >-
  If a new version misbehaves, the robot rolls back to the last validated version and the event is reviewed
  by the flight surgeon and safety board.
- The robot never changes its own protocol, thresholds or limits.
comms:
  live: >-
    Low Earth orbit: the flight surgeon sees summaries at the private medical conference and can be alerted
    at any time.
  loss_of_signal:
  - Only the robot pauses; crew care never waits for the link or the robot.
  - >-
    The robot pauses any movement and tells the CMO; on the CMO's confirmation it keeps running private
    check-ins and logging offline.
  - >-
    Red flags go to the CMO (or the second trained CMO) at once; the CMO decides under the pre-approved
    onboard checklist.
  - 'At the next contact the robot sends one package: the log, alerts and decisions.'
  mars_delay:
  - >-
    Replies may take up to about 21-23 minutes each way, with blackouts of about 2-3 weeks; red-flag thresholds
    and the check-in schedule are set before flight and the CMO acts on them.
sources:
- key: v2
  text: >-
    NASA. NASA-STD-3001, Volume 2: Human Factors, Habitability, and Environmental Health (Rev F, 2026),
    including Section 10.6 Automated and Robotic Systems.
  url: https://standards.nasa.gov/standard/NASA/NASA-STD-3001_VOL_2
  supports: >-
    NASA-STD-3001 Vol 2 Rev F: V2 6109 rationale (dehydration consequences, from poor communication, nosebleeds,
    headache, malaise and fitful sleep to urinary tract infection or urinary calculi; 1.5 L per crewmember
    for reentry fluid loading); V2 6110 rationale (the minimum water needed per crewmember per day is
    2.5 L). Section 10.6 covers automated and robotic systems.
- key: renal24
  text: 'NASA Human Research Program. Evidence Report: Risk of Renal Stone Formation (2024).'
  url: https://humanresearchroadmap.nasa.gov/evidence/other/2024%20Renal%20Evidence%20Report_Final.pdf
  supports: >-
    Urine volume was 47% lower early (before flight day 30) and 39% lower late (after mission day 60)
    in long-duration crewmembers; stone risk rises when urine volume drops below 1.5 liters a day, and
    an effective hydration countermeasure should produce 2.5-3 liters of urine a day; the 2.5 liters of
    water a day is not always achievable.
- key: tb019
  text: NASA OCHMO. Orthostatic Intolerance. Technical Brief OCHMO-TB-019 Rev B.
  url: https://www.nasa.gov/wp-content/uploads/2023/12/ochmo-tb-019-orthostatic-intolerance.pdf
  supports: >-
    Spaceflight reduces intravascular fluid volume by around 15%; fluid loading before reentry is an important
    countermeasure to decrease orthostatic intolerance, and current protocols include 24-48 oz of salt-water
    solution before deorbit, depending on body weight.
- key: stahn
  text: >-
    Stahn AC, Werner A, Opatz O, et al. Increased core body temperature in astronauts during long-duration
    space missions. Sci Rep. 2017;7(1):16180.
  url: https://doi.org/10.1038/s41598-017-15560-w
  doi: 10.1038/s41598-017-15560-w
  pmid: '29170507'
  supports: >-
    Resting core body temperature rose by about 1 °C, developing gradually over 2.5 months of flight;
    during exercise it rose higher and faster than on Earth. Cited as a note for the clinical lead setting
    FEVER_ALERT_C (RF6); not re-read in the batch 4 review.
- key: ng253
  text: >-
    National Institute for Health and Care Excellence. Suspected sepsis in people aged 16 or over: recognition,
    assessment and early management. NICE guideline NG253 (2025, last updated Sept 23, 2026).
  url: https://www.nice.org.uk/guidance/ng253/chapter/Face-to-face-assessment
  supports: >-
    In the NICE sepsis guideline's risk table for community settings (Table 1), not passing urine in the
    previous 18 hours and objective evidence of a new altered mental state are high-risk criteria; the
    guideline asks about fever or shaking chills but says not to rely on fever alone. Used as context
    for the no-urine, fever and confusion red flags; the hours and the temperature stay placeholders.
    Also used for RF5 (unable to keep fluids down), as RMP-GI-002 RF4 does.
- key: mtb004
  text: >-
    NASA OCHMO. Space Adaptation Sickness (SAS) and Space Readaptation Syndrome. Medical Technical Brief
    OCHMO-MTB-004 Rev A (Sept 25, 2025).
  url: https://www.nasa.gov/wp-content/uploads/2025/09/ochmo-mtb-004-space-adaptation-sickness-sas.pdf
  supports: >-
    Space adaptation sickness includes urinary retention; nausea and vomiting in the first few days result
    in decreased caloric intake and dehydration.
- key: worster
  text: >-
    Worster AS, Bhanich Supapol W. Fluids and diuretics for acute ureteric colic. Cochrane Database Syst
    Rev. 2012;(2):CD004926.
  url: https://doi.org/10.1002/14651858.CD004926.pub3
  doi: 10.1002/14651858.CD004926.pub3
  pmid: '22336806'
  supports: No reliable evidence that forced fluids help in acute colic.
- key: ermed
  text: >-
    NASA Human Research Program. Evidence Report: Risk of Adverse Health Outcomes and Decrements in Performance
    due to In-Flight Medical Conditions (2017).
  url: https://humanresearchroadmap.nasa.gov/evidence/reports/Medical.pdf
  supports: 'Table 1: 2 dehydration events on the ISS through Expedition 40.'
- key: v1
  text: 'NASA. NASA-STD-3001, Space Flight Human-System Standard, Volume 1: Crew Health, Revision C (2023).'
  url: https://www.nasa.gov/wp-content/uploads/2023/11/nasa-std-3001-vol-1-rev-c-with-signature.pdf
  supports: >-
    NASA-STD-3001 Vol 1 Rev C: V1 3003 item a (general health monitoring); V1 3004 items c (privacy),
    d (history), h (monitoring and trending physiological signs) and m (medicines).
- key: tb044
  text: NASA OCHMO. Medical Operations. Technical Brief OCHMO-TB-044 (2025).
  url: https://www.nasa.gov/wp-content/uploads/2025/08/ochmo-tb-044-medical-operations.pdf
  supports: >-
    The crew surgeon keeps medical authority when care is delegated; crew medical officers train on the
    JSC 48522 medical checklist.
- key: marsdelay
  text: >-
    NASA. Mars communications disruption and delay (fact sheet, 2023 Moon to Mars Architecture Concept
    Review).
  url: https://www.nasa.gov/wp-content/uploads/2024/01/mars-communications-disruption-and-delay.pdf
  supports: >-
    One-way Earth-Mars delay up to about 21-23 minutes, plus blackouts of about 2-3 weeks near solar conjunction.
- key: pccp
  text: >-
    U.S. Food and Drug Administration. Marketing submission recommendations for a predetermined change
    control plan for artificial intelligence-enabled device software functions (guidance).
  url: >-
    https://www.fda.gov/regulatory-information/search-fda-guidance-documents/marketing-submission-recommendations-predetermined-change-control-plan-artificial-intelligence
  supports: A model for planning, validating and rolling back software updates.
- key: faa460
  text: 'U.S. Code of Federal Regulations, Title 14, Part 460: Human space flight requirements.'
  url: https://www.ecfr.gov/current/title-14/chapter-III/subchapter-C/part-460
  supports: >-
    Federal rules for crew and spaceflight participants on licensed commercial flights; they set no medical
    standards for spaceflight participants.
corrections:
- date: '2026-10-20'
  version: '0.2'
  source: >-
    AI-assisted clinical and source review by the Medical Research Assistant, Oct 20, 2026 (batch 4 review)
  items:
  - >-
    Lockout added: no prompting, reminding or encouraging drinking during a suspected or confirmed stone
    episode; RF7 says the log continues as a record only and any fluid plan is the flight surgeon's (no
    forced or high-volume fluids for acute colic); Cochrane review cited (item 25).
  - RF5 (unable to keep fluids down) cites MTB-004 and NICE NG253 (item 26).
  - >-
    Optional: RF5 notes it is more sensitive than RMP-GI-002 RF4 by design (item 43); the renal evidence
    report is cited with its public-release date (item 44); data access ends when the log closes (item
    45); the Stahn 2017 temperature finding moves to a note for the clinical lead setting FEVER_ALERT_C
    (item 46); V2 6110 is listed (item 50).
  - >-
    Review label set to the library wording: reviewed (AI-assisted), Oct 20, 2026; no named human clinician.
  - >-
    Planned protocols named in an action now show "(planned)", and each such action is complete without
    the link (item 51).
- date: '2026-10-21'
  version: '0.2'
  source: Batch 5 editorial (AI-assisted), Oct 21, 2026; batch 4 review item 49
  items:
  - >-
    Inherited stop-rule and requirement wording: "holds a safe position" → "holds its stopped position";
    "stays in its safe state" → "stays stopped"; "take over safely" → "take over"; "Robot stays safe if
    no one takes over" → "Robot stays stopped if no one takes over". Schema level name safe-state and
    never-word list entry "safe" unchanged.
- date: '2026-10-21'
  version: '0.3'
  source: Batch 7 editorial (AI-assisted), Oct 21, 2026
  items:
  - >-
    Citation labels changed to the site's year-only convention: "(approved for public release <date>)"
    now reads "(YYYY)", and NASA-STD-3001 Volume 2 "Revision F (approved July 14, 2026)" now reads "(Rev
    F, 2026)" (sources: ermed, renal24, v2). Editorial; no change to steps, thresholds or limits.
- date: '2026-10-21'
  version: '0.4'
  source: Batch 7 review and batch 8 editorial (AI-assisted), Oct 21, 2026
  items:
  - >-
    X5 and the comms loss-of-signal branch now open with "Only the robot pauses; crew care never waits
    for the link or the robot." (batch 7 review suggestion 29). Editorial; robot behaviour unchanged.
