Ischemia and Necrosis

Oct 9, 2021 by in CARDIOLOGY Comments Off on Ischemia and Necrosis

Chapter 13Ischemia and Necrosis Concept Myocardial ischemia is defined as the sudden decrease or even stop of the flow of oxygenated blood that in normal conditions perfuse the myocardial tissue….

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The Electrophysiological Basis of the ECG

Oct 9, 2021 by in CARDIOLOGY Comments Off on The Electrophysiological Basis of the ECG

Chapter 5The Electrophysiological Basis of the ECG: From Cell Electrophysiology to the Human ECG Types of cardiac cells: slow and fast response cells (Hoffman and Cranefield 1960) From an electrophysiological…

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Ventricular Enlargement

Oct 9, 2021 by in CARDIOLOGY Comments Off on Ventricular Enlargement

Chapter 10Ventricular Enlargement Concept: preliminary considerations The electrocardiographic concept of chamber enlargement includes wall hypertrophy, chamber dilation, and a combination of the two. Anatomically, the term “ventricular hypertrophy” refers to…

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Active Supraventricular Arrhythmias

Oct 9, 2021 by in CARDIOLOGY Comments Off on Active Supraventricular Arrhythmias

Chapter 15Active Supraventricular Arrhythmias Premature supraventricular complexes Concept and mechanisms Premature supraventricular complexes are premature complexes of supraventricular origin. These include those of atrial (A‐PSVC) and atrioventricular junctional origin (J‐PSVC)….

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Atrial Abnormalities

Oct 9, 2021 by in CARDIOLOGY Comments Off on Atrial Abnormalities

Chapter 9Atrial Abnormalities Introduction This chapter examines the electrocardiographic abnormalities seen in atrial depolarization (P wave) caused by atrial enlargement and/or atrial conduction disturbances, including the rare cases of atrial…

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