:Diaphoresis is a profuse perspiration often seen during a myocardial infarction.

:Premature ventricular contractions (PVCs) are a common cardiac arrhythmia. They are present even in healthy individuals, for whom no treatment is indicated. However, in patients with heart disease, PVCs can be significant indicators of disease processes. For example, increased numbers of PVCs are common following an acute myocardial infarction.