Total electrical alternation in pericardial disease.
نویسندگان
چکیده
منابع مشابه
Cardiac Motion in Patients with Pericardial Effusion
THE OCCASIONAL FINDING of electrical alternation or alternans in patients with pericardial effusion has led to the theory that cardiac motion or rotation may be increased in the presence of excessive pericardial fluid.1-3 According to this theory, the pericardium together with the lungs and mediastinal structures normally exerts a restraining influence on the natural rotational movement of the ...
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Pulsus alternans and electrical alternans are important and useful clinical signs, indicating several conditions of cardiac dysfunction. Pulsus alternans is associated with severe systolic dysfunction, which is involved in calcium overload and impaired calcium cycling. To date, the proposed mechanisms of pulsus alternans include the alternative change in left ventricular end-diastolic pressure ...
متن کاملElectrical alternans in cardiac tamponade.
Of nine patients with pericardial effusion due to various causes, four developed cardiac tamponade. Electrical alternans was present in all four, being total in three and ventricular in one. The alternans corresponded very well with the clinical diagnosis of cardiac tamponade and the radiological signs of a large pericardial effusion. In two patients alternans was present even with heart rates ...
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Aims Tuberculous pericarditis is present in only one to two percent of the tuberculosis cases, i.e. considered rare. The disease is responsible for 4% and 7% of acute pericarditis and cardiac tamponade cases, respectively. Moreover, these conditions are associated with hazardous side effects. Thus, timely and precise diagnosis of the disease could prevent such complications. Case report We rep...
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ورودعنوان ژورنال:
- Circulation
دوره 17 5 شماره
صفحات -
تاریخ انتشار 1958