At what anatomic position should an 18-gauge IV catheter be placed to relieve a tension pneu-mothorax?
a. Just inferior to the second rib
b. Just inferior to the third rib
c. Just superior to the second rib
d. Just superior to the fourth rib
ANS: C
This procedure usually is done with an 18-gauge intravenous (e.g., Jelco) catheter inserted just over the second rib on the anterior aspect of the chest in the midclavicular line.
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