Cardiac Tamponade

Cardiac tamponade is a serious condition where fluid builds up around the heart in the sac called the pericardium. This fluid puts pressure on the heart, making it hard for the heart to fill with blood properly. Because the heart cannot fill well, it cannot pump enough blood to the rest of the body, which can cause symptoms like shortness of breath, low blood pressure, and rapid heartbeat. The heart and blood vessels are the main body systems involved. This condition can develop quickly or slowly depending on the cause. It is a medical emergency because the heart’s ability to pump blood is severely compromised.

Cardiac tamponade is a clinical syndrome caused by the accumulation of fluid, blood, or other substances in the pericardial space, leading to increased intrapericardial pressure. This pressure restricts diastolic filling of the heart chambers, resulting in decreased stroke volume and cardiac output. The most common causes include trauma, pericarditis, malignancy, and uremia. The hallmark pathophysiology involves impaired ventricular filling due to external compression, which can rapidly progress to hemodynamic compromise and shock. Clinically, it presents with Beck’s triad (hypotension, muffled heart sounds, and jugular venous distension), pulsus paradoxus, and tachycardia. Prompt recognition is critical due to the risk of cardiovascular collapse.