The film presents a detailed fluorographic study of the normal heart using venous catheterization, showcasing physiological data such as pressure and flow measurements. It illustrates blood flow ...

The chambers of the heart operate as a ‘double-pump’ system for the body’s circulation. In coordination with valves, the chambers work to keep blood flowing in the proper sequence. The chambers on the ...

The four valves of the heart allow blood to flow through the heart in the right direction. The valves open or close each time the heart beats. Problems with the heart valves can lead to palpitations, ...