vascular

Question 1

Diagnostic gold standard for DVT

Answer 1

Venography

Question 2

Phlegmasia alba

Answer 2

obstructive proximal DVT compromising arterial flow and tissue death, possible life/limb loss

Question 3

May Thurner Syndrome

Answer 3

Left iliofemoral DVT due to venous compression by right iliac artery causing DVT, swelling, and/or pain

Question 4

4 T score for presumptive HIT

Answer 4

Thrombocytopenia
Timing of platelet count fall (5 hours-2 days after heparin initiation)
Thrombosis
oTher causes of thrombocytopenia

Question 5

HIT Type I

Answer 5

Mild decrease in platelets, occurs first 2 days of heparin exposure, platelet count returns to normal with continued exposure, not clinically significant

Question 6

HIT type II

Answer 6

Significant. clotting and bleeding at same time, discontinue heparin immediately. Platelet drop >50% at 5-10 days after heparin exposure

Question 7

Predictive measurement for wound healing in peripheral artery disease or arterial occlusion

Answer 7

TcPO2

Question 8

TcPO2 interpretation

Answer 8

> 40 healing range
20-40 grey zone
<20 unlikely to heal

Question 9

Arterial disease presentation

Answer 9

shiny skin, lack of hair, yellow thick nails, decreased pulses, ulcers, dependent edema

Question 10

Thromboangiitis Obliterans

Answer 10

“Buerger’s disease” young male smokers, foot claudication, rest pain, digital ulcers, superficial phlebitis

Question 11

Virchow’s Triad

Answer 11

Triad for thrombosis
Endothelia injury
hypercoagulobility
stasis blood