What are terms for heart beats?

Heartbeats can be described using various terms:

- Palpitations: A sudden, rapid heartbeat or skipped beat.

- Tachycardia: A fast heart rate, usually above 100 beats per minute (BPM).

- Bradycardia: A slow heart rate, usually below 60 BPM.

- Arrhythmia: An irregular or abnormal heartbeat.

- Flutter: A very rapid, regular heartbeat that can cause a fluttering sensation.

- Fibrillation: A chaotic, irregular heartbeat that can be life-threatening.

- Murmur: An abnormal sound heard during a heartbeat, often indicating a heart valve problem.

- Pulse: The rhythmic expansion and contraction of an artery, which can be felt at various points on the body, such as the wrist or neck.

- Apex beat: The point at which the heart's impulse can be felt most strongly on the chest wall, usually found in the fifth intercostal space at the midclavicular line.

- Ejection fraction: A measure of the heart's pumping strength, calculated as the percentage of blood pumped out of the left ventricle with each contraction.