…first choice in investigating suspected constrictive pericarditis. The ECG can show low voltage and nonspecific ST T changes. Conventional thoracic X ray sometimes reveals calcification…

…ventricle: Dilated cardiomyopathy (DCM) Idiopathic or genetic . Ischemic cardiomyopathy Alcoholic cardiomyopathy Diabetic cardiomyopathy Takotsubo cardiomyopathy Tachycardia induced cardiomyopathy Non compaction cardiomyopathy Peripartum cardiomyopathy Cardiomyopathy secondary…

…must never delay it. Indications Suspected meningitis or encephalitis. Suspected subarachnoid haemorrhage with a normal or non diagnostic CT. Suspected neuroborreliosis, neurosyphilis or another CNS…

…clinical presentation of VT, with a deep dive into the underlying etiologies ranging from benign idiopathic variants to complex scar related and genetic substrates. Furthermore…

…acute pericarditis, tamponade is uncommon when the cause is viral or idiopathic but is more frequent when the underlying cause is non idiopathic. Clinical Presentation…

…and sickle cell disease. The classification also recognizes vasoreactivity subgroups among patients with idiopathic PAH, including acute responders and non responders. Left heart disease is…

…cases in Western populations [14] . Non ischemic etiologies encompass a highly heterogeneous group of disorders. Idiopathic dilated cardiomyopathy (DCM) is frequently diagnosed when ischemic, valvular…

…conditions Category Condition Congenital conditions Jervell and Lange Nielsen syndrome Romano Ward syndrome Idiopathic congenital long QT syndrome (LQTS) Metabolic disorders Hypokalemia Hypomagnesemia Hypocalcemia Starvation…

…overturned in 2008 when Haïssaguerre et al reported a strong association between the early repolarization pattern and sudden cardiac arrest due to idiopathic ventricular fibrillation…

…arthritis, systemic lupus erythematosus, scleroderma, and rheumatic fever. Aortic dissection rupturing into the pericardium. Idiopathic pericardial effusion. Renal failure, hypothyroidism, and hypercholesterolemia. Dressler syndrome. Iatrogenic…

…results in thickening of the leaflets and may coexist with mitral stenosis. Idiopathic degeneration (Barlow's disease), degeneration associated with connective tissue disorders (Marfan syndrome…

…Iatrogenic (e.g complication of catheterization) Congenital dysplasia/aplasia of the pulmonary valve Idiopathic pulmonary artery dilation Pulmonary regurgitation results in right ventricular volume overload…

…Table 1. Causes of aortic regurgitation Bicuspid aortic valve Rheumatic heart disease Calcified aortic valves Idiopathic aortic dilatation (aneurysm) Hypertension Aortic dissection, proximal Marfan syndrome…

…Idiopathic ventricular tachycardia (IVT) Ventricular tachycardia may be classified as idiopathic if no cause can be identified. Idiopathic ventricular tachycardia has a more favorable prognosis…