introduction: acute coronary syndrome accounts for more than 15% of the chest pains. recently, hess et al. developed north american chest pain rule (nacpr) to identify very low-risk patients who can be safely discharged from emergency department (ed). the present study aimed to validate this rule in eds of two academic hospitals. methods: a prospective diagnostic accuracy study was conducted on...

thrombotic thrombocytopenic purpura (ttp) is a rare syndrome affecting multiple organs. there is no sufficient evidence regarding the clinical cardiac manifestations of ttp. nonetheless, pathologic cardiac involvement is quite frequent in acute ttp, which is predominantly manifested as myocardial necrosis due to coronary arteriolar microthrombosis. the present case report describes a 43-year-ol...

background : despite many progresses in the improvement of care status and the management of acute coronary syndrome, cares quality is far from the desirable conditions. today, due to the great emphasis on resources management, costs control, the effectiveness of patient care, improving quality and responsibility, the good patient care is necessary. two dimensions are referred for improving the...

background anomalous left coronary artery from the pulmonary artery (alcapa) is a rare congenital cardiovascular defect that occurs in approximately 1/300 000 live births or 0.5% of children with congenital heart disease. there are two types of alcapa syndrome: the infant type and the adult type. the most infants experience myocardial infarction and congestive heart failure, and approximately 9...

patients with syndrome x coronary disease represent a heterogeneous group of patients. medical treatment with dilators and calcium channel blockers are not very effective. we evaluated the use of transmyocardial laser revascularization (tmlr) in treating 5 patients with this syndrome. between may 2002 to december 2005, 5 patients with cardiac syndrome x (mean age of 49.7 years) underwent tmlr. ...