Cardiac tamponade is a life-threatening medical emergency where excess fluid accumulates in the pericardial sac, compressing the heart and severely impairing its ability to pump blood. This compression leads to decreased cardiac output, hypotension, and potential circulatory collapse. Early diagnosis is crucial.
Ultrasound, particularly echocardiography, is the primary diagnostic tool for cardiac tamponade, revealing key findings such as pericardial effusion, right ventricular collapse during diastole, and IVC plethora. Prompt ultrasound assessment guides pericardiocentesis, a critical procedure for fluid drainage and patient stabilization.