Which symptom is most characteristic of acute coronary syndrome?

• A. Shortness of breath without chest pain
• B. Chest discomfort described as pressure or squeezing
• C. Nausea with dizziness
• D. Sudden tearing chest pain radiating to the back

Answer: (B)

The key idea is that acute coronary syndrome most often presents with chest discomfort that feels like pressure or squeezing. This pressure-like sensation reflects ongoing myocardial ischemia and is the classic, most recognizable symptom clinicians look for in ACS. Other symptoms like shortness of breath without chest pain, nausea with dizziness, or tearing chest pain radiating to the back can occur in various conditions, but they are not as characteristic of ACS. Shortness of breath can accompany ACS, but without the accompanying chest pressure, it’s less specific; tearing chest pain to the back is more typical of aortic dissection, not ACS. So, a chest discomfort described as pressure or squeezing best captures the hallmark presentation of ACS.