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4a. What are the chest x-ray findings in a left to right shunt?

4a. What are the chest x-ray findings in a left to right shunt?. Left-to-right shunts. Acyanotic Includes: Ventral septal defect Atrial septal defect Patent ductus arteriosus. Left-to-right shunts. Left-to-right shunts. RV Enlargement

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4a. What are the chest x-ray findings in a left to right shunt?

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  1. 4a. What are the chest x-ray findings in a left to right shunt?

  2. Left-to-right shunts • Acyanotic • Includes: • Ventral septal defect • Atrialseptal defect • Patent ductusarteriosus

  3. Left-to-right shunts

  4. Left-to-right shunts

  5. RV Enlargement • PA view: lateral upward displacement of the cardiac apex • Lateral view: fullness of retrosternal space • RA Enlargement • PA view: increased convexity of the lower right cardiac border

  6. Dilated MPA Normal PA view PA view (ASD) Aortic knob SVC MPA RV LV IVC Increased pulmonary vascularity

  7. Normal Lateral view • Lateral view (ASD) Retrosternal space Retrosternal space 2/3 1/3 Right ventricular enlargement

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