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Why can phlegmasia cerulea dolens threaten arterial inflow even though it begins as venous disease?

The most common complication of lower extremity DVT is:

A patient returns 6 months after superficial femoral artery stent placement. Duplex ultrasound demonstrates a focal PSV increase from 90 cm/s proximal to the stent to 280 cm/s within the stent. Color Doppler shows aliasing at this location.What is the most likely cause?

Which condition is MOST likely to cause a false-positive D-dimer?

Following an endovascular arterial intervention, where is myointimal hyperplasia most likely to produce restenosis?

An internal dashboard runs this function when a user logs in: function openDashboard(user) {  if (user.isAdmin) {    var role = “admin”;  }  // … 300 lines later …  if (role !== “guest”) {    loadInternalReports();  }} A regular employee whose isAdmin is false logs in. What happens, and why?

Which plethysmographic method measures changes in blood volume by detecting changes in electrical resistance?

Which patient scenario most strongly supports the need for a surgical bypass rather than simple endovascular treatment?

Several studies have shown a good correlation between a ≥70% stenosis at the site of a previous endovascular intervention and which of the following duplex findings?

A patient with a history of lower-extremity DVT presents several years later with chronic leg swelling, aching, skin hyperpigmentation, and a venous ulcer near the medial malleolus. Which condition is MOST likely?