Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED)

NCT00000566 · clinicaltrials.gov ↗

PHASE3

Phase

COMPLETED

Status

NIH

Sponsor class

Conditions

Lung Diseases
Pulmonary Embolism

Interventions

PROCEDURE: ventilation-perfusion ratio
PROCEDURE: angiography

Sponsor

National Heart, Lung, and Blood Institute (NHLBI)