Your heart has four chambers, co-ordinated together to pump and receive blood from the body and the lungs. Connections between these chambers are colloquially referred to as ‘holes in the heart’ – sometimes normal, and sometimes not.
Category: anatomy
What is a heart murmur?
A heart murmur refers to an noise made by the heart by the flow of blood through the valves. In some cases, this can be a normal finding, and in others, it can indicate a serious problem.
What are coronary arteries?

Coronary arteries (coloured red on the picture above) supply your heart with blood, and problems here can lead to heart attacks.