(1) Ospedale Civile di Vigevano, Vigevano, Italy Drug-Induced Changes A number of cardioactive drugs can cause changes in the electrocardiogram (ECG), the antiarrhythmic agents in particular. The most important…
(1) Ospedale Civile di Vigevano, Vigevano, Italy Acute Pericarditis Acute pericarditis is associated with inflammation of the subepicardial layers of the myocardium, which are in contact with the pericardium….
(1) Ospedale Civile di Vigevano, Vigevano, Italy This group of arrhythmias includes several specific syndromes, the most important of which are: 1. The long QT syndrome (LQTS); 2….
(1) Ospedale Civile di Vigevano, Vigevano, Italy As noted in Chap. 1, propagation of the electrical stimulus in the heart can be represented as dipoles. For simplicity’s sake, each…
(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….
(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…
(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…
(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)…
(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…
4 CHAPTER Airspace-Predominant Diseases This chapter includes diseases in which the predominant histologic changes occur within airspaces, including bronchiolar lumens, alveolar duct lumens, and alveolar spaces, rather than in the…
