Characteristics and prognosis of apparently healthy patients with frequent and complex ventricular ectopy: evidence for a relatively benign new syndrome with occult myocardial and/or coronary disease.
D006328:Cardiac Catheterization; D009202:Cardiomyopathies / Q000209:etiology*; D017023:Coronary Angiography; D003327:Coronary Disease / Q000209:etiology*; D006352:Heart Ventricles / Q000002:abnormalities*; D006801:Humans; D009200:Myocardial Contraction; D011379:Prognosis; D013577:Syndrome; D013997:Time Factors