When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream, you would follow the steps below one by one. Oxygen-poor blood (shown in blue) flows from the ...

PETALING JAYA: The parallel pathway is an immediate and viable alternative to providing cardiothoracic specialists in Malaysia, says National Heart Association of Malaysia president Dr Alan Fong.

In mammals the heart is a double pump. The right side pumps deoxygenated blood to the lungs and the left side pumps oxygenated blood to the rest of the body tissues. This means that a red blood ...