Syncope is a common, potentially dangerous manifestation of transient cerebral dysfunction
that often remains unexplained despite medical evaluation. In elderly persons the cause of …

We identified 198 patients who presented to our emergency room with transient loss of
consciousness. Seizures (29 percent of patients) and vasovagal/psychogenic episodes (40 …

Accurate prognostic information is important in determining optimal management of patients
presenting for evaluation of chest pain. In this study, the ability of exercise thallium-201 …

Twenty-four hour ambulatory electrocardiography was performed on 3,290 survivors of
acute myocardial infarction participating in the Beta-Blocker Heart Attack Trial (BHAT) …

Long-term ambulatory electrocardiographic (Holter) monitoring is frequently used to
evaluate patients with various cardiovascular complaints, including palpitations, dyspnea …

The prognostic information provided by ventricular arrhythmias associated with treadmill
exercise testing was evaluated in 1,293 consecutive nonsurgically treated patients …

During the past 15 yr there has been widespread interest in ventricular arrhythmias and
sudden death. During this period, technical advances have improved our ability to record …

Fifty-two patients resuscitated from cardiac arrest underwent electrophysiologic studies. The
earliest documented arrhythmia at the time of initial or recurrent (18 patients) cardiac arrest …

The significance and treatment of ventricular premature beats (VPBs) in patients without
sustained ventricular tachycardia (VT), sudden death, or syncope remains unclear. We …

Background: We evaluated the usefulness of heart rate turbulence (HRT) parameters and
frequency of ventricular premature beats (VPBs) for risk‐stratifying postinfarction patients …