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Anaesthesia · Basic resuscitation: route of drugs in newborn resuscitation
Sample itemA newborn has a heart rate of 40 per minute after 60 seconds of coordinated compressions and ventilation with 100 percent oxygen through an effective airway. What is the preferred route for adrenaline?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Intravenous via an umbilical venous catheter
Adrenaline is given when the heart rate stays below 60 per minute despite effective ventilation and compressions. The preferred route is intravenous through an umbilical venous catheter, which is quick to place in a newborn and delivers the drug to the central circulation.
Option by option
A. Intracardiac injection through the chest wall
Intracardiac injection risks coronary laceration and pneumothorax and is not used.
B. Subcutaneous injection over the sternum
Subcutaneous absorption is poor when peripheral perfusion is low.
C. Intramuscular into the anterolateral thigh
Intramuscular absorption is slow and unreliable in a shocked infant.
D. Intravenous via an umbilical venous catheter (correct)
Correct. The umbilical vein gives rapid central access in a newborn in arrest.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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