The heart consists of 4 chambers--2 atria (upper chambers) and 2 ventricles (lower chambers). Blood passes through a valve as it leaves each chamber of the heart. The valves prevent the backward flow ...

A study published today in the journal Developmental Cell uncovers new insights into how the heart forms during the earliest stages of embryonic development.

Cardiovascular diseases cause one death every 33 seconds in America. Diagnosing these conditions, which account for ...

Coronary sinus reducer (CSR; Neovasc Reducer, Shockwave Medical, Santa Clara, California, United States) is an hourglass-shaped mesh that is implanted into the distal coronary sinus through the left ...