Areas of fibrosis that are common to many cardiac disease states predispose to reentry. Dense fibrosis can create areas of fixed conduction block that define parts of a reentry path (see Fig. 129.2A ). Alternatively, reentry circuits can be defined…
Introduction Evaluation of the patient suspected to have a cardiac arrhythmia is a frequent reason for referral to a cardiologist. In patients presenting with an acute, ongoing arrhythmia, the role of the cardiologist is to quickly gather and synthesize the…
Additional content is available online at Elsevier eBooks for Practicing Clinicians Ventricular arrhythmias originate in the ventricular myocardium or His-Purkinje system. These include premature ventricular complexes (PVCs), nonsustained and sustained ventricular tachycardias (VT), and ventricular fibrillation (VF). They can occur…