Heart Murmur. By Tommy Vandoros. What is A Heart Murmur?. A heart murmur is when there is blood swishing between valves. Example: blood swishing between two valves through a hole in the septum. These valves are usually healthy.
Example: blood swishing between two valves through a hole in the septum.
In this example, the septum between the atrium are separated so oxygenated blood mixes with the deoxygenated blood and goes to the lungs for oxygen again. All blood going back to the body is oxygenated in this example.