If you find the material on this website useful, you will find that the two books
ACES
for PACES and KEYS to SUCCESS in Medicine
complement the material on these sites
and will enhance your studying and revision
You are teaching one of your juniors
how to insert a subclavian line. To emphasise the importance of knowing the
anatomy of this region, you ask the junior which one of the following
structures lies anterior to the scalenus anterior muscle near its insertion to
the first rib: