A 44-year-old with cancer has dyspnoea, hypotension, elevated JVP and muffled heart sounds. ECG shows low voltage with electrical alternans and

Question

A 44-year-old with cancer has dyspnoea, hypotension, elevated JVP and muffled heart sounds. ECG shows low voltage with electrical alternans and bedside echo shows a large pericardial effusion with right atrial collapse. What is the most likely diagnosis?

Accepted Answer

Cardiac tamponade

Answer

Acute mitral regurgitation

Answer

Constrictive pericarditis

Answer

Right ventricular infarction

Answer

Tension pneumothorax

Cardiac tamponade — RCPSC EM MCQ

A 44-year-old with cancer has dyspnoea, hypotension, elevated JVP and muffled heart sounds. ECG shows low voltage with electrical alternans and bedside echo shows a large pericardial effusion with right atrial collapse. What is the most likely diagnosis?