This document discusses extra systolic heartbeats, which are abnormal heartbeats that disrupt the normal rhythm. It covers the causes of extra systolics such as stress, caffeine, and underlying heart conditions. Symptoms include a skipped heartbeat sensation, palpitations, and dizziness. Diagnosis involves a medical history, electrocardiogram, and heart monitoring. Treatment may include medication, lifestyle modifications, and relaxation techniques. Complications can include arrhythmias, fainting, and reduced cardiac output. Prevention focuses on lifestyle changes, regular checkups, and medication adherence if prescribed.