Cardiology · ICU and Critical Care
Pulmonary Artery Pulsatility Index calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Allowed range: 10–120 mm Hg
Allowed range: 4–80 mm Hg
Allowed range: 1–40 mm Hg
Result
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Clinical inputs
- Pulmonary artery systolic pressure (mm Hg)Accepted range: 10 to 120
- Pulmonary artery diastolic pressure (mm Hg)Accepted range: 4 to 80
- Right atrial pressure (mm Hg)Accepted range: 1 to 40
Primary source
Korabathina R et al. The pulmonary artery pulsatility index identifies severe right ventricular dysfunction in acute inferior myocardial infarction. Catheter Cardiovasc Interv. DOI: 10.1002/ccd.23309. PMID: 21954053. PAPi = (pulmonary artery systolic pressure − pulmonary artery diastolic pressure) / right atrial pressure. A PAPi of 0.9 or lower identified in-hospital death or need for percutaneous right-ventricular support. (2012)
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