# Pulmonary Hypertension (pHTN)
Patient with history of pulmonary hypertension. Pre-capillary pHTN is defined as PVR Wood unit>3 or Transpulmonary Pressure gradient (meanPA - PCWP) > 12. Post-capillary pHTN is defined as PCWP >15.
T1 - Vascular (idiopathic, HIV, CTD, drugs/toxins, portopulmHTN). Consider Utox, ANA, RF, HIV, Hep serologies
T2 - LH Disease. Consider RHC
T3 - Chronic Lung Disease/Hypoxemia. Consider High Res CT, sleep study, PFTs, nocturnal and exercise pulse ox
T4 - CTEPH. Consider V/Q scan
T5 - Misc - Sarcoid, Hematologic disease, congenital/metabolid, thyroid disease.
Originally created: March 3, 2020 by Eric Lee
Number of revisions: [xyz-ips snippet="numrevisions"]
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