Which EKG finding is commonly observed during an angina attack?

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Multiple Choice

Which EKG finding is commonly observed during an angina attack?

Angina reflects subendocardial ischemia from an imbalance between oxygen supply and demand. That ischemia alters ventricular repolarization patterns, most commonly producing ST-segment depression on the ECG. The ST segment dips below baseline in the leads looking at the ischemic region, typically with horizontal or downsloping characteristics, and this change often accompanies the chest pain and improves with rest or nitro. ST-segment elevation signifies transmural (full-thickness) ischemia or infarction, not the usual pattern seen in typical angina. T-wave inversions can occur with ischemia as well but are less consistently present during an acute angina attack. U waves are associated with electrolyte disturbances or other conditions, not primarily with angina-related ischemia.

Angina reflects subendocardial ischemia from an imbalance between oxygen supply and demand. That ischemia alters ventricular repolarization patterns, most commonly producing ST-segment depression on the ECG. The ST segment dips below baseline in the leads looking at the ischemic region, typically with horizontal or downsloping characteristics, and this change often accompanies the chest pain and improves with rest or nitro.

ST-segment elevation signifies transmural (full-thickness) ischemia or infarction, not the usual pattern seen in typical angina. T-wave inversions can occur with ischemia as well but are less consistently present during an acute angina attack. U waves are associated with electrolyte disturbances or other conditions, not primarily with angina-related ischemia.

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