Today, Dr. Abhishek Shukla explained how a heart attack (acute myocardial infarction) is diagnosed using a combination of clinical symptoms, ECG findings, and cardiac biomarkers. The most critical ECG finding is ST-segment elevation in specific leads corresponding to the affected coronary artery territory. When a patient presents with acute chest pain, radiation to the arm or jaw, sweating, or breathlessness, the ECG is immediately evaluated. If ST elevation or new-onset left bundle branch block

Recognizing the signs of a heart attack early can save a life. ❤️ Common symptoms include chest pain or discomfort, shortness of breath, nausea or lightheadedness, and pain in the jaw, neck, or back. Pain or discomfort in the shoulder or arm can also be indicative of a heart attack. If you or someone else experiences these symptoms, seek medical attention immediately. | UPMC