Prime focus of this lecture is cardiac myopathy. Cardiomyopathy pathophysiology along with pathology of heart failure, dilated cardiomyopathy, hypertrophic cardiomyopathy, arrhythmogenic cardiomyopathy and restrictive cardiomyopathy are well explained in this sqadia.com lecture.
Lecture Duration: 01:09:25
Released: November 2019
Cardiomyopathies are primary diseases of the myocardium exclusive of damage caused by extrinsic factors. cardiomyopathies classification are the major clinicopathologic groups of dilated cardiomyopathy (DCM), hypertrophic cardiomyopathy (HCM), arrhythmogenic cardiomyopathy (AC) and restrictive cardiomyopathy (RCM). Then educator explains the Progression of Cardiac myopathy.
Dilated cardiomyopathy (DCM) is most common and is a leading indication for heart transplantation. It is characterized by biventricular dilation, impaired contractility and eventually congestive heart failure. Dilated Cardiomyopathy Pathogenesis and Hypertrophic Cardiomyopathy pathophysiology are made easy to learn for medical students in this lecture. Furthermore, Pathology and clinical features of DCM are explained in detail. DCM can develop after many known insults that injure cardiac myocytes directly (secondary DCM), or it may be idiopathic (primary DCM).
Causes of Toxic cardiac myopathy includes Ethanol, Cobalt, catecholamine, and cocaine. Pathogenesis of Cardiomyopathy of Pregnancy are also brought under discussion. A unique form of DCM develops in the last trimester of pregnancy or the first 6 months after delivery. In hypertrophic cardiomyopathy cardiac hypertrophy is out of proportion to hemodynamic load. Moreover, pathology and clinical features of Hypertrophic Cardiomyopathy are discussed.
Arrhythmogenic Cardiomyopathy is a disease of the desmosome with a high risk of sudden death. Arrhythmogenic cardiomyopathy (AC) is a highly arrhythmogenic form of human heart disease. First described as a right ventricular disease (arrhythmogenic right ventricular cardiomyopathy, or ARVC), AC is now recognized to include biventricular and left dominant forms, which may be misdiagnosed as dilated cardiomyopathy or myocarditis.
Furthermore, Etiological factors of restrictive Cardiomyopathy pathophysiology along with pathogenesis is discussed. Sudden Cardiac Death pathophysiology is explained in the end of this lecture along with the explanation of its causes.
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