All of the following are features of chest radiography in Tetralogy of fallot except: September 2007
Correct Answer: In 80% right sided arch of aoa
Description: Ans. B: In 80% right sided arch of aoa Findings associated with TOF: Right ventricular predominance on palpation May have a bulging left hemithorax Systolic thrill at the lower left sternal border Aoic ejection click Single S2 - Pulmonic valve closure not heard Systolic ejection murmur More cyanotic patients have greater obstruction and a softer murmur. An acyanotic patient with tetralogy of Fallot (pink tetralogy) has a long, loud, systolic murmur. Cyanosis and clubbing - Variable Squatting position Scoliosis - Common Retinal engorgement Chest roentgenography - Coeur en sabot (boot-shaped hea) secondary to uplifting of the cardiac apex from right ventricular hyperophy and the absence of a normal main pulmonary aery - Normal hea size due to the lack of pulmonary blood flow and congestive hea failure Decreased pulmonary vascularity - Right atrial enlargement - Right-sided aoic arch (30% of patients) with indentation of leftward-positioned tracheobronchial shadow - May be normal in acyanotic tetralogy of Fallot or may resemble findings of small-sized to moderate-sized ventricular septal defect (VSD) with mild right ventricular hyperophy, right atrial enlargement, and increased pulmonary vascular markings Echocardiography: Reveals a large VSD with an overriding aoa and variable degrees of right ventricular outflow tract (RVOT) obstruction
Category:
Pediatrics
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