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ECG of inferior MI with anterior ischemia

Electrocardiogram showing ischemic changes in two areas of the myocardium: inferior myocardial infarction (Q waves and ST elevations in leads II, III, and aVF); and anterior ischemia (ST depressions in leads V2 and V3).

Courtesy of Ary Goldberger, MD.

Graphic 54339 Version 4.0

Normal ECG

Normal electrocardiogram showing normal sinus rhythm at a rate of 75 beats/minute, a PR interval of 0.14 seconds, a QRS interval of 0.10 seconds, and a QRS axis of approximately 75°.

Courtesy of Ary Goldberger, MD.

Graphic 76183 Version 4.0