Pulmonary capillary wedge pressure, also known as PCWP, approximates left atrial pressure and left ventricular diastolic pressure. It estimates the severity of left ventricular failure by assessing left ventricular filling, which is represented by the left atrial pressure. An increased PCWP indicates severe left ventricular failure and severe mitral stenosis
Pulmonary capillary wedge pressure (PCWP) is measured by a pulmonary artery catheter (Swan-Ganz catheter).
Normal PCWP or left atrial pressure is between 4 to 12 mmHg.
Normal left ventricular pressure is 120/<12 mmHg.
Normal right ventricular pressure is 25/<5 mmHg.
Normal right atrial pressure is <5 mmHg.
The normal aortic pressure is 120/80 mmHg.
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