ST segment elevation is seen in: September 2005
Correct Answer: All of the above
Description: Ans. D: All of the above Differential Diagnosis of ST Segment Elevation: Ischemic Hea Disease (usually convex upwards, or straightened) - Acute transmural injury (acute anterior MI) Persistent ST elevation after acute MI suggests ventricular aneurysm - ST elevation may also be seen as a manifestation of Prinzmetal's (variant) angina (coronary aery spasm) Acute Pericarditis - Concave upwards ST elevation in most leads except aVR - No reciprocal ST segment depression (except in aVR) - May see PR segment depression, a manifestation of atrial injury Other Causes: - Left ventricular hyperophy (in right precordial leads with large S-waves) - Left bundle branch block (in right precordial leads with large S-waves) - Advanced hyperkalemia - Hypothermia (prominent J-waves or Osborne waves)
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