Key Points Development of the lung as a derivative of the upper gastrointestinal tract. Predisposition of anatomy of the lungs to aspiration of food, saliva, and vomitus. Development of four-chambered ...
Planar 99mTc-labeled RBC scintigraphy is sensitive for detection of acute gastrointestinal (GI) bleeding but its accuracy for localization of a bleeding source is arguable, particularly in patients ...
Air enters the GI tract via the tracheoesophageal fistula and the newborn presents clinically with a gas-filled abdomen and frequent aspiration pneumonias due to gastric reflux into the respiratory ...