tga_flashcards

Question 1

What supportive management is provided for Transposition of the Great Arteries (TGA)?

Answer 1

Maintain body temperature, correct acidosis and hypoglycaemia if present.

Question 2

What is the role of Prostaglandin E1 infusion in TGA management?

Answer 2

Maintains the ductus arteriosus.

Question 3

What is balloon atrial septostomy (BAS) in TGA management?

Answer 3

Involves inserting a catheter into the foramen ovale and inflating a balloon to create a large atrial septal defect, allowing blood returning from the lungs to flow to the right side of the heart and into the aorta. A bolus of heparin is given before BAS.

Question 4

What is the definitive management for TGA?

Answer 4

‘Arterial switch’ procedure in the first 2 weeks of life.

Question 5

What is used during the ‘arterial switch’ procedure for TGA?

Answer 5

Cardiopulmonary bypass machine.

Question 6

What additional step is needed during the ‘arterial switch’ procedure for TGA?

Answer 6

The coronary arteries also need to be transferred to the new aorta.