The Normal Electrocardiogram
(1) Ospedale Civile di Vigevano, Vigevano, Italy The electrocardiograph is a galvanometer calibrated to produce a deflection with an amplitude of 1 cm for every millivolt (mV) of voltage….
The Electrocardiogram in Disorders of the Pulmonary Circulation
(1) Ospedale Civile di Vigevano, Vigevano, Italy Acute Cor Pulmonale—Pulmonary Embolism The electrocardiogram (ECG) is a specific but relatively insensitive tool for diagnosing acute cor pulmonale, which is almost…
The Electrocardiogram in Wolff-ParkinsonWhite Syndrome
(1) Ospedale Civile di Vigevano, Vigevano, Italy Introduction In its most common form, the Wolff-Parkinson-White (WPW) syndrome is caused by the presence of an embryonic remnant consisting of an…
General Principles of Anatomy and Cellular Electrophysiology
(1) Ospedale Civile di Vigevano, Vigevano, Italy An Anatomical Overview of the Excitation-Conduction System of the Heart The electrical activity of the heart is governed by the sinoatrial (SA)…
Electrical Bases of the Arrhythmias
(1) Ospedale Civile di Vigevano, Vigevano, Italy Arrhythmias are cardiac rhythm abnormalities, that is, rhythms differing from the normal sinus rhythm, which is characterized by heart rates ranging from…
