"A 56-year-old male physician with essential hypertension, elevated blood cholesterol, and irritable bowel syndrome underwent exercise radionuclide perfusion imaging and 24-hour Holter monitor because of palpitations at rest."
Mental versus physical stress, QT prolongation, and the autonomic nervous system [In Process Citation]
"In a 36-year old long-distance runner with a history of palpitations and presyncope, an episode of sudden cardiac death occurred during competitive mountain racing."
"A47-year-old man with end-stage renal disease on hemodialysis was taking quinidine for paroxysmal atrial fibrillation and clarithromycin for presumed bronchopneumonia."
Labile repolarization from ''Cell to bedside'' [In Process Citation]
Case report: "A 23-year-old man originally from Angola presented to an outlying hospital with a 1-day history of palpitations, dyspnea, and near-syncope."
Ventricular tachycardia : A complication of an intramyocardial echinococcal cyst [In Process Citation]
"A 36-year-old woman was referred after her son had syncopal episodes associated with a markedly prolonged QT interval, which was treated with ß-blockers and a subsequent pacemaker."
"A 73-year-old man with mild coronary artery disease and a dilated cardiomyopathy presented to the emergency room with a hemodynamically stable wide-QRS tachycardia."