Upper Extremity Veins/Arteries

originates at inner border of scalenus anterior muscle and travels beneath clavicle to outer border of first rib, where it becomes axillary artery

Which of the following are major branches of the subclavian artery

• Vertebral

• Thyrocervical

• Costocervical

• Basilar

• internal mammary and dorsal scapular

The subclavian artery should be evaluated from both a __ and __ approach, to ensure thorough interrogation of the vessel is achieved

• Segments of the subclavian artery may not be visualized because of the acoustic shadowing artifact caused by the ___ ___

1

2

Is continuation of subclavian artery

Begins at outer border of first rib and terminates at lower

border of tendon of teres major muscle

May be evaluated from an infraclavicular approach or from the axilla, depending on patient anatomy

Is continuation of axillary artery