Question of the Week #12 A 3-month-old ex-premature infant with DiGeorge syndrome is undergoing tetralogy of Fallot repair. After the administration of packed red blood cells, the patient becomes hypotensive. Which of the following abnormalities is MOST likely to be seen on the patient’s EKG? A. Shortened PR interval B. Peaked T waves C. ST segment elevation D. Prolonged QT interval None Time's up