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Surgery All India exam c35c7075

In doing phrenic nerve block, it is best to infiltrate

A
Scalenus anterior
B
Scalenus posterior
C
Posterior border of sternomastoid
D
Anterior border of sternomastoid
High-Yield Explanation
Phrenic nerve is blocked 3 cm above the clavicle at the posterior border of sternomastoid.

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