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Title: Diagnosis and management of acyanotic heart disease: part II -- left-to-right shunt lesions.
Authors: Syamasundar Rao, P
Issue Date: 30-Jun-2005
Citation: Syamasundar Rao P. Diagnosis and management of acyanotic heart disease: part II -- left-to-right shunt lesions. Indian Journal of Pediatrics. 2005 Jun; 72(6): 503-12
Abstract: In this review, the clinical features and management of most commonly encountered acyanotic, left-to-right shunt lesions are discussed. Patients with small defects, especially in childhood, are usually asymptomatic while moderate to large defects in infancy may present with symptoms. Hyperdynamic precordium, widely split and fixed second heart sound, ejection systolic murmur at the left upper sternal border and a mid-diastolic flow rumble at the left lower sternal border are present in atrial septal defects, holosystolic murmur at the left lower border is characteristic for a ventricular septal defect whereas a continuous murmur at the left upper sternal border is distinctive for patent ductus arteriosus. Clinical diagnosis is not usually difficult and the diagnosis can be confirmed and quantitated by non-invasive echocardiographic studies. Whereas surgical intervention was used in the past, transcatheter methods are increasingly used for closure of atrial septal defect and patent ductus arteriosus. Small ventricular septal defects may not need to be closed whereas medium and large defects may require surgical closure. Transcatheter closure of both muscular and membranous ventricular septal defects is feasible by transcatheter methodology, but these techniques are experimental at the time of this writing.
Description: 26 references.
Appears in Collections:Indian Journal of Pediatrics

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