Health Management for Older Adults III - Early Evaluation of Patients with Chest Pain -- The Electrocardiogram

< i > Early Evaluation of Patients with Chest Pain -- The Electrocardiogram

On occasion the ECG will be normal despite a good story suggesting cardiac ischemia or infarction.

In this instance, extending the ECG leads to V7, V8, and V9 might reveal changes not seen on the standard 12-lead electrocardiogram.