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Pulmonary Capillary Wedge Pressure: Sensitivity and Specificity

Introduction: aka PCWP, pressure measured by a Swan-Ganz catheter floated into a branch of the pulmonary artery and inflated to occlude the vessel. This pressure is supposed to equal LV filling pressures (LVEDP), though it does not always.

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Associated Diagnoses:

Pulmonary Arterial Hypertension

64% sensitive, 91% specific