How often do you see an ECG that is just a little off? Maybe the T wave is flat, oddly-shaped or inverted. Maybe the ST segment is coved, very minimally-depressed or shows some J point elevation.

(Also note: to see each image as an enlarged pdf, click on the word “enlarge” at the end of each caption.) Electrocardiography (ECG) is the science of converting the ionic depolarization of the heart ...