License: CC BY 2. As the name indicates, cardiomyopathy refers to a group of myocardial diseases associated with impaired systolic and diastolic function.
Potential complications include heart failure, arrhythmias, and sudden death. Cardiomyopathy is the second most common cause of sudden death ischemic heart disease is 1. Prognosis for dilated cardiomyopathy is poor, especially when diagnosed late in the course when heart failure signs and symptoms are present. Causal processes are usually unknown; however, it is easily identified on the basis of an enlarged left-ventricular diameter observed via echocardiography and rarefication of cardiomyocytes observed via microscopic examination.
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DCM can be inherited or be a result of underlying conditions. Diseases such as diabetes, viral heart infection, thyroid disease, or abnormalities in the valves of the heart may lead to DCM. Postpartum cardiomyopathy occurs in women after giving birth and is associated with a sudden change in cardiovascular function and blood volume, though the exact cause is not known. Patients having symptoms of a heart insufficiency — i.
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Other symptoms include pitting edema, weight gain, dizziness, fainting, and shortness of breath. Consequently, it is treated correspondent to heart insufficiency using diuretics, vasodilators, ACE-inhibitors, and beta-blockers which delays the progression of the disease and lowers the risk of sudden cardiac death. Such treatment also aims at improving cardiac function as well as alleviating most of the symptoms. A lifestyle change is usually necessary, such as including exercise as well as changes in diet, to improve treatment outcomes.
Additionally, if arrhythmic side effects occur, the implantation of cardiac resynchronization systems is indicated. However, there are asymptomatic patients as well. Consequently, it is treated correspondent to heart insufficiency using diuretics, vasodilators, ACE-inhibitors, and beta-blockers which delays progression of the disease and lowers the risk of sudden cardiac death.
Dilated Cardiomyopathy (DCM)
Hypertrophic cardiomyopathy can be diagnosed by 2-D echocardiography, chest radiography, radionuclide imaging, or cardiac MRI. The latter describes the identification of an arterial branch that feeds the bulge and subsequent injection of alcohol to devitalize the muscular mass. Though RCM is fairly uncommon in western countries, it is commonly observed in tropical regions. RCM can also be caused genetically and has been shown to be curable using molecules that silence genes responsible for abnormal protein production.
RCM is difficult to recognize by echocardiography, though there are clinical symptoms of heart insufficiency which serves as the basis for diagnosis. Here, the Loeffler endocarditis is to be named to a special degree, which leaves scars and that way causes the rigidity. In this case, cortisone must be added to conventional medicinal therapy.
Dilated Cardiomyopathy - ECAB (ebook)
Moreover, excision of the endocardium belongs to the surgical treatments. Corticosteroids are used to treat sarcoidosis and Loeffler endocarditis. Chemotherapy is used to treat amyloidosis. Endarterectomy treats endomyocardial fibrosis as well as Loeffler endocarditis. The most uncommon type is the ARVC which is an inheritable type of cardiomyopathy associated with ventricular arrhythmia and tachycardia. ARVC can lead to sudden cardiac death. Therapy includes antiarrhythmic drugs, ICD-implantation, and catheter ablation. Physical stress must be avoided. Patients with ARVC and a family history of the disease require changes in lifestyle as well as regular testing.
It is important to understand the fundamental pathomechanisms and types of therapy associated with cardiomyopathies. Aside from that, the morphological differences between the different types can be memorized quite well by visualization. Your Bibliography: McCance, K.
Louis: Mosby, p. Your Bibliography: Openshaw, P.
Changes in rib cage geometry during childhood. Thorax , 39 8 , pp.
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Your Bibliography: Priest, B. Cardiac ion channels.
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Channels , 9 6 , pp. Your Bibliography: Seth, A. Your Bibliography: Suvarna, S. Cardiac Pathology. London: Springer, pp. Current Therapeutics for Cardiac Disease. In: Cardiac Pathology. Your Bibliography: Wesley, K. Huszar's basic dysrhythmias and acute coronary syndromes.
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Louis, Missouri: Elsevier Mosby Jems, pp. Not logged in. Log in or create an account.