All the following statements about chronic constrictive pericarditis are true except
Correct Answer: Commonest cause in india is idiopathic
Description: Ref Harrison 19 th ed pg 1575 CHRONIC CONSTRICTIVE PERICARDITIS This disorder results when the healing of an acute fibrinous or serofi- brinous pericarditis or the resorption of a chronic pericardial effusion is followed by obliteration of the pericardial cavity with the formation of granulation tissue. The latter gradually contracts and forms a firm scar encasing the hea, which may be calcified. In developing nations where the condition is prevalent, a high percentage of cases are of tuberculous origin, but this is now an uncommon cause in Noh America. Chronic constrictive pericarditis may follow acute or relaps- ing viral or idiopathic pericarditis, trauma with organized blood clot, or cardiac surgery of any type or result from mediastinal irradiation,
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