Name Steward Organization Suggested Domain Suggested Domain Description Cde Group Classification
IV tPA not started reason NINDS Treatment
Treatment for all conditions
NIH CDEs
  • NINDS
    • Disease
      • Stroke
        • Classification
          • Supplemental
        • Domain
          • Treatment/Intervention Data
            • Drugs
    • Domain
      • Treatment/Intervention Data
        • Drugs
    • Population
      • Adult
      • Pediatric

# Datatype
Value List

# Permissible value Value meaning name Value meaning definition
Active internal bleeding (<22 days) Active internal bleeding (<22 days) Active internal bleeding (<22 days)
Advanced age Advanced age Advanced age
Age > 80 Age > 80 Age > 80
Any anticoagulant use prior to admission (even if INR < 1.7) Any anticoagulant use prior to admission (even if INR < 1.7) Any anticoagulant use prior to admission (even if INR < 1.7)
Care-team unable to determine eligibility Care-team unable to determine eligibility Care-team unable to determine eligibility
CT findings (ICH, SAH, or major infarct signs) CT findings (ICH, SAH, or major infarct signs) CT findings (ICH, SAH, or major infarct signs)
CT findings of >1/3 MCA CT findings of >1/3 MCA CT findings of >1/3 MCA
CTP not feasible CTP not feasible CTP not feasible
Delay in Patient Arrival Delay in Patient Arrival Delay in Patient Arrival
Delay in Stroke diagnosis Delay in Stroke diagnosis Delay in Stroke diagnosis
Glucose < 50 or > 400 mg/dl Glucose < 50 or > 400 mg/dl Glucose < 50 or > 400 mg/dl
History of intracranial hemorrhage or brain aneurysm or vascular malformation or brain tumor History of intracranial hemorrhage or brain aneurysm or vascular malformation or brain tumor History of intracranial hemorrhage or brain aneurysm or vascular malformation or brain tumor
In-hospital Time Delay In-hospital Time Delay In-hospital Time Delay
Increased risk of bleeding due to Acute pericarditis, SBE, Hemostatic defects, Diabetic hemorrhagic retinopathy, Septic thrombophlebitis/occluded AV cannula, or currently receiving oral anticoagulants Increased risk of bleeding due to Acute pericarditis, SBE, Hemostatic defects, Diabetic hemorrhagic retinopathy, Septic thrombophlebitis/occluded AV cannula, or currently receiving oral anticoagulants Increased risk of bleeding due to Acute pericarditis, SBE, Hemostatic defects, Diabetic hemorrhagic retinopathy, Septic thrombophlebitis/occluded AV cannula, or currently receiving oral anticoagulants
IV or IA tPA given at outside hospital IV or IA tPA given at outside hospital IV or IA tPA given at outside hospital
Left heart thrombus Left heart thrombus Left heart thrombus
Life expectancy < 1 year or severe co-morbid illness or CMO on admission Life expectancy < 1 year or severe co-morbid illness or CMO on admission Life expectancy < 1 year or severe co-morbid illness or CMO on admission
MRI not feasible MRI not feasible MRI not feasible
NIHSS > 25 NIHSS > 25 NIHSS > 25
No IV access No IV access No IV access
Other, specify Other, specify Other, specify
Patient/Family refused Patient/Family refused Patient/Family refused
Platelets <100,000, PTT> 40 sec after heparin use, or PT > 15 or INR > 1.7, or known bleeding diathesis Platelets <100,000, PTT> 40 sec after heparin use, or PT > 15 or INR > 1.7, or known bleeding diathesis Platelets <100,000, PTT> 40 sec after heparin use, or PT > 15 or INR > 1.7, or known bleeding diathesis
Pregnancy Pregnancy Pregnancy
Prior Stroke and Diabetes Prior Stroke and Diabetes Prior Stroke and Diabetes
Rapid improvement Rapid improvement Rapid improvement
Recent intracranial or spinal surgery, head trauma, or stroke (<3 mo.) Recent intracranial or spinal surgery, head trauma, or stroke (<3 mo.) Recent intracranial or spinal surgery, head trauma, or stroke (<3 mo.)
Recent surgery/trauma (<15 days) Recent surgery/trauma (<15 days) Recent surgery/trauma (<15 days)
SBP > 185 or DBP > 110 mmHg despite treatment SBP > 185 or DBP > 110 mmHg despite treatment SBP > 185 or DBP > 110 mmHg despite treatment
Seizure at onset Seizure at onset Seizure at onset
Stroke severity - Too severe (e.g., NIHSS >22) Stroke severity - Too severe (e.g., NIHSS >22) Stroke severity - Too severe (e.g., NIHSS >22)
Stroke severity nondisabling Stroke severity nondisabling Stroke severity nondisabling
Subacute Bacterial Endocarditis (SBE) Subacute Bacterial Endocarditis (SBE) Subacute Bacterial Endocarditis (SBE)
Suspicion of subarachnoid hemorrhage Suspicion of subarachnoid hemorrhage Suspicion of subarachnoid hemorrhage

# Definition
If NO Intravenous Tissue Plasminogen Activator (IV tPA) was initiated, documents reasons in the medical record for why no IV tPA was started for the participant/subject at your hospital. Were one or more of the following reasons for not administering IV thrombolytic therapy at this hospital explicitly documented by a physician, advance practice nurse, or physician assistant's notes in the medical record?

# Designation
IV tPA not started reason

# Identifier Origin Version
C14399 NINDS 3
PES1m_Y0YhB NLM CDEs 12-02-2025-download
IVtPANotStartRsn BRICS Variable Name N/A