Why do thrombi often dislodge in the lower extremity?

What type of pressure must be used when insonating the dorsalis pedis artery?

________________ is the mechanism for hypertension. 

________________ is the first branch off of the popliteal artery. 

The normal peak systolic velocity of the ICA should measure less than or equal to ________ cm/s. 

The subclavian artery terminates into the ___________ artery.

What are the arrows pointing to in this ultrasound image?  

Valves are more numerous in the veins of the abdomen than those of the lower extremities. 

What frequency transducer is used for a carotid artery ultrasound?

Which position is best when performing an upper extremity arterial Doppler exam?