title: Junctional premature beats unmasking myocardial infarction in WPW syndrome.
mesh_terms: D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications* / Q000175:diagnosis; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications*