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Imaging recommendation · Chest

Chronic dyspnea, suspected chronic thromboembolic pulmonary hypertension

Recommended: V/Q scan first (sensitive); CTPA + right heart cath confirm is the preferred imaging study for chronic dyspnea, suspected chronic thromboembolic pulmonary hypertension. Mismatched perfusion defects on V/Q.

Recommended study

V/Q scan first (sensitive); CTPA + right heart cath confirm

NM No contrast Preferred Chest Outpatient Reviewed

Mismatched perfusion defects on V/Q. CTPA shows webs, intimal thickening, mosaic perfusion.

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