Parker et al. 4 reported immediate changes in the respective pressures in 21 patients during mitral commissurotomy — usually an immediate drop. The percentage reduction was higher for the pressure in ...

The reservoir function of the left atrium represents the filling of the left atrium during ventricular systole and is governed by atrial compliance, which is most rigorously measured by mathematically ...

THE preoperative clinical diagnosis of left atrial thrombi is difficult. A history of systemic embolization does not necessarily indicate the presence of an atrial thrombus. A reliable method of ...

An S4 heart sound cannot be present during atrial fibrillation (atrial kick is required). An S3 heart sound cannot be present in the setting of severe mitral stenosis. An S3 heart sound can be present ...

Hello and welcome to another imaging case study. This is Ronald Wharton. I am a cardiologist at Montefiore Medical Center and assistant professor of medicine at the Albert Einstein College of Medicine ...

A “cannon A wave” occurs when the right atrium contracts against a closed tricuspid valve causing a large pulsation to occur in the jugular venous pulsation. This occurs at times of electrical “AV ...