A 75 - year - old female presents to the vascular lab with right upper extremity swelling for the past 3 to 4 days She has recently had a PICC line inserted through the cephalic vein . Upon duplex evaluation , the cephalic vein near PICC line is incompressible and dilated with hypoechoic echoes present in the lumen . In addition , the distal a Assuming the brachial and basilic veins are patent , what would the spectral Doppler findings likely be in these vessels vian vein demonstrates hypoechoic echoes within its lumen and is Doppler silent. b . What other vessels would need to be evaluated in this patient Given the history and the limited findings above where else might be suspect for thrombus development ? What are some treatment options for this patient