A 41-year-old woman presents to the emergency department following a stab wound to the left anterior chest. She reports dyspnea and anxiety. Vital signs: BP 82/54 mm Hg, HR 118/min, RR 24/min, temp 37.2°C. Physical examination reveals distant heart sounds, jugular venous distension, and clear bilateral lung fields. Chest X-ray shows widened mediastinum. Which of the following is the most likely diagnosis?
- A)Cardiac tamponadeGABARITO
- B)Heart failure with reduced ejection fraction
- C)Restrictive cardiomyopathy
- D)Constrictive pericarditis
- E)Dilated cardiomyopathy
Explicação
Cardiac tamponade is correct. Hypotension, jugular venous distention, and muffled heart sounds are Beck triad and indicate pericardial fluid under pressure impairing ventricular filling. Penetrating trauma can rapidly produce hemopericardium and obstructive sh... Ver explicação completa e trilha adaptativa →