Depends on the cause: The most common cause of right sided heart failure is left heart failure, so it would increase. Isolated r. Heart failure would not lead to an increase in the wedge pressure.
Answered 7/5/2012
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Complicated: Pulmonary wedge pressure estimates left atrial pressure. Classically, isolated right heart failure implies that the left heart is normal. However, even in isolated right heart failure, the rv can dilate to the point were lv filling is impacted, and therefore, the pulmonary wedge pressure can increase. Lv-rv interactions can be complex. Also, left heart disease can cause rv failure.
Answered 9/21/2013
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