Pulmonary Capillary Wedge Pressure (PCWP) by E/e'

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Data Acquisition

Diastolic function measurement

Reference Values

PCWP (mmHg)
Normal2-15
Increased filling pressure>15

Formulas

\[E’ = \frac{E’_{lateral} + E’_{septal}}{2}\]

\[PCWP = 1.24(E/E’) + 1.9\]

Definitions

EMitral inflow E velocity
E’ lateralEarly diastolic velocity of lateral mitral annulus
E’ septalEarly diastolic velocity of septal mitral annulus
PCWPMean pulmonary capillary wedge pressure

Reference

1.Nagueh SF, Middleton KJ, Kopelen HA, Zoghbi WA, Quinones MA. Doppler tissue imaging: a noninvasive technique for evaluation of left ventricular relaxation and estimation of filling pressures. J Am Coll Cardiol 1997;30:1527-1533. Full text

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Developer & Illustrator: Sirikarn Napan, MD, FACC