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 ...

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 ...

BECAUSE of the great interest currently demonstrated in the surgical correction of mitral stenosis, it has become essential for the clinician to be able to diagnose this condition with the greatest ...

What is a “cannon A wave” in the jugular venous pulse? A “cannon A wave” occurs when the right atrium contracts against a closed tricuspid valve causing a large pulsation to occur in the jugular ...

What is the description for the physiologic mechanism that causes polyuria in patients with complete heart block? A “cannon A wave” occurs when the right atrium contracts against a closed tricuspid ...