Eventually a “sine wave” pattern ensues. Hyperacute T waves are large and broadly shaped, occurring in the first few minutes of an acute myocardial infarction. Delta waves occur in Wolff ...

a "sine wave" pattern (see below), which is frequently a fatal rhythm. Giving IV calcium is "cardioprotective" in the setting of hyperkalemia. Frequently, instant reversal of all hyperkalemic ECG ...

Sine-wave speech can be thought of as a sort of auditory illusion, a sensory edge case in which one’s experience has a clear “before” and “after” moment, like going through a one-way door.