What is the apex of the heart?

The apex of the heart is the pointed tip of the heart that points downward and to the left. It is located at the bottom of the heart, near the diaphragm and slightly to the left of the midline of the body. The apex of the heart is formed by the left ventricle, which is the chamber of the heart responsible for pumping oxygenated blood out to the body.

The apex of the heart is an important landmark in medical examinations and procedures as it is a key reference point for locating the heart sounds during auscultation with a stethoscope. The apex beat, also known as the point of maximal impulse (PMI), is the point on the chest where the heartbeat can be most easily felt. This is typically located in the fifth intercostal space, just medial to the midclavicular line.

Overall, the apex of the heart plays a crucial role in the function and anatomy of the heart, serving as a key reference point for healthcare professionals in diagnosing and treating cardiovascular conditions.