In a patient with cardiac arrest, which ultrasound view is most useful during rapid pauses in CPR to rule out cardiac tamponade?
Answer and explanation
Correct answer: A. Subcostal four-chamber view
Answer: Subcostal four-chamber view.
Why not the others: Transesophageal views require probe placement and cannot be done without interrupting chest access in early CPR; Suprasternal notch evaluates aortic dissection rather than pericardial fluid; Morrison pouch evaluates intra-abdominal free fluid rather than cardiac tamponade.
Why not the others: Transesophageal views require probe placement and cannot be done without interrupting chest access in early CPR; Suprasternal notch evaluates aortic dissection rather than pericardial fluid; Morrison pouch evaluates intra-abdominal free fluid rather than cardiac tamponade.
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