Which does not form the border of heart in PA view of a chest X-ray?
Ans- B Ref: Nelson's Textbook of Pediatrics 18th edition: page no 1865 Explanation: In a CXR PA view the Left border of Heart is formed by: "A.M.L" Aortic arch Main pulmonary artery Left pulmonary artery, Left atrial appendage, Left ventricle Right border of Heart is formed by: "S.I.R" SVC IVC Right Atrium Abnormal cardiac silhouettes "Boot-shaped" heart seen in cyanotic tetralogy of Fallot "Egg-shaped" heart seen in transposition of the great arteries. "Snowman" sign or Figure of '8' appearance seen in total anomalous pulmonary venous return (supracardiac TAPVC)
Right atrium
Right ventricle
Aortic arch
Left Ventricle
Plain Film Radiography, Fluoroscopy, and Tomosynthesis