A 47-year-old male arrives in the emergency department with acute anterior chest pain, which radiates to the left arm and back and has lasted for 1 h. He is 80 in tall and weighs 190 lbs. His blood pressure is 115/70 mmHg, pulse 116/min, and respiratory rate 20/min. The lungs are clear and an electrocardiogram (ECG) shows no abnormalities. Which of the following is the most likely diagnosis?

Question

Quizplus · Accepted Answer

The symptoms described, including acute anterior chest pain radiating to the back and left arm, in the absence of ECG abnormalities, are highly suggestive of aortic dissection. This condition often presents with severe chest or back pain and can mimic other cardiac conditions, but the radiation pattern and normal ECG help differentiate it.

A 47-Year-Old Male Arrives in the Emergency Department with Acute