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

…tachycardia almost invariably have significant underlying heart disease. The most common causes are coronary heart disease (acute coronary syndromes or ischemic heart disease), heart failure …

…may coexist with mitral stenosis. Idiopathic degeneration (Barlow's disease), degeneration associated with connective tissue disorders (Marfan syndrome, Ehlers Danlos syndrome), osteogenesis imperfecta typically causes…

…idiopathic pericarditis, radiation to the pericardium and surgical interventions are the most common causes of constrictive pericarditis. Of these three, idiopathic pericarditis is the most…

…the right place. In suspected bacterial meningitis it is the time to antibiotics that saves the patient — the puncture must never delay it. Indications Suspected…

…varies markedly across these conditions. The prognosis in idiopathic dilated cardiomyopathy may be poorer than the prognosis for most cancers, whereas tachycardia induced cardiomyopathy can…

…idiopathic ventricular fibrillation. The combination of early repolarization pattern on ECG and ventricular fibrillation or sudden cardiac arrest is referred to as early repolarization syndrome…

…Tetralogy of Fallot Marfan syndrome Takayasu's arteritis Iatrogenic (e.g complication of catheterization) Congenital dysplasia/aplasia of the pulmonary valve Idiopathic pulmonary artery dilation…

…is viral or idiopathic but is more frequent when the underlying cause is non idiopathic. Clinical Presentation and Symptoms Dyspnoea is the most frequent symptom…

…Idiopathic pericardial effusion. Renal failure, hypothyroidism, and hypercholesterolemia. Dressler syndrome. Iatrogenic damage to the pericardium. Irradiation. Trauma. The most common cause of pericardial effusion is…

…aortic valves Idiopathic aortic dilatation (aneurysm) Hypertension Aortic dissection, proximal Marfan syndrome (may also cause aortic dissection) Trauma Vasculitis, rheumatic diseases Ehlers Danlos syndrome (may…

…that up to 30 40% of "idiopathic" cases harbor a genetic basis. Truncating variants in the TTN gene (titin) are the most common genetic cause…

…of ventricular activation. PMVT is frequently associated with acute myocardial ischemia, electrolyte derangements, or underlying channelopathies (e.g., Torsades de Pointes in Long QT Syndrome)…

…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…