{
  "resourceType" : "CodeSystem",
  "id" : "space-cardiovascular-effects-cs",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem space-cardiovascular-effects-cs</b></p><a name=\"space-cardiovascular-effects-cs\"> </a><a name=\"hcspace-cardiovascular-effects-cs\"> </a><p>This case-sensitive code system <code>https://mitre.org/fhir/space-health/CodeSystem/space-cardiovascular-effects-cs</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">post-flight-orthostatic-intolerance<a name=\"space-cardiovascular-effects-cs-post-flight-orthostatic-intolerance\"> </a></td><td>Post-flight Orthostatic Intolerance</td><td>Inability to maintain normal blood pressure when standing after return from spaceflight</td></tr><tr><td style=\"white-space:nowrap\">cardiac-atrophy<a name=\"space-cardiovascular-effects-cs-cardiac-atrophy\"> </a></td><td>Cardiac Atrophy</td><td>Reduction in heart mass resulting from extended exposure to microgravity</td></tr><tr><td style=\"white-space:nowrap\">vascular-remodeling<a name=\"space-cardiovascular-effects-cs-vascular-remodeling\"> </a></td><td>Vascular Remodeling</td><td>Changes in blood vessel structure and function as a result of spaceflight</td></tr><tr><td style=\"white-space:nowrap\">baroreceptor-dysfunction<a name=\"space-cardiovascular-effects-cs-baroreceptor-dysfunction\"> </a></td><td>Baroreceptor Dysfunction</td><td>Altered function of baroreceptors responsible for regulating blood pressure during and after spaceflight</td></tr><tr><td style=\"white-space:nowrap\">altered-cardiac-output<a name=\"space-cardiovascular-effects-cs-altered-cardiac-output\"> </a></td><td>Altered Cardiac Output</td><td>Changes in the volume of blood pumped by the heart during spaceflight</td></tr><tr><td style=\"white-space:nowrap\">microgravity-induced-cardiac-arrhythmias<a name=\"space-cardiovascular-effects-cs-microgravity-induced-cardiac-arrhythmias\"> </a></td><td>Microgravity-Induced Cardiac Arrhythmias</td><td>Abnormal heart rhythms associated with adaptation to microgravity</td></tr><tr><td style=\"white-space:nowrap\">venous-compliance-changes<a name=\"space-cardiovascular-effects-cs-venous-compliance-changes\"> </a></td><td>Venous Compliance Changes</td><td>Alterations in the capacity of veins to distend and store blood during spaceflight</td></tr><tr><td style=\"white-space:nowrap\">cardiovascular-deconditioning<a name=\"space-cardiovascular-effects-cs-cardiovascular-deconditioning\"> </a></td><td>Cardiovascular Deconditioning</td><td>Overall decrease in cardiovascular function resulting from spaceflight</td></tr></table></div>"
  },
  "url" : "https://mitre.org/fhir/space-health/CodeSystem/space-cardiovascular-effects-cs",
  "version" : "0.5.12",
  "name" : "SpaceCardiovascularEffectsCodeSystem",
  "title" : "Space Cardiovascular Effects",
  "status" : "draft",
  "experimental" : true,
  "date" : "2026-03-25T00:24:16-05:00",
  "publisher" : "MITRE",
  "contact" : [{
    "name" : "MITRE",
    "telecom" : [{
      "system" : "url",
      "value" : "https://www.mitre.org/"
    }]
  }],
  "description" : "CodeSystem for space cardiovascular effects not found in SNOMED CT",
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 8,
  "concept" : [{
    "code" : "post-flight-orthostatic-intolerance",
    "display" : "Post-flight Orthostatic Intolerance",
    "definition" : "Inability to maintain normal blood pressure when standing after return from spaceflight"
  },
  {
    "code" : "cardiac-atrophy",
    "display" : "Cardiac Atrophy",
    "definition" : "Reduction in heart mass resulting from extended exposure to microgravity"
  },
  {
    "code" : "vascular-remodeling",
    "display" : "Vascular Remodeling",
    "definition" : "Changes in blood vessel structure and function as a result of spaceflight"
  },
  {
    "code" : "baroreceptor-dysfunction",
    "display" : "Baroreceptor Dysfunction",
    "definition" : "Altered function of baroreceptors responsible for regulating blood pressure during and after spaceflight"
  },
  {
    "code" : "altered-cardiac-output",
    "display" : "Altered Cardiac Output",
    "definition" : "Changes in the volume of blood pumped by the heart during spaceflight"
  },
  {
    "code" : "microgravity-induced-cardiac-arrhythmias",
    "display" : "Microgravity-Induced Cardiac Arrhythmias",
    "definition" : "Abnormal heart rhythms associated with adaptation to microgravity"
  },
  {
    "code" : "venous-compliance-changes",
    "display" : "Venous Compliance Changes",
    "definition" : "Alterations in the capacity of veins to distend and store blood during spaceflight"
  },
  {
    "code" : "cardiovascular-deconditioning",
    "display" : "Cardiovascular Deconditioning",
    "definition" : "Overall decrease in cardiovascular function resulting from spaceflight"
  }]
}