4 - DVT

Question 1

US for DVT is part of?

Answer 1

The 11 core US applications for emergency physicians

Question 2

Gold standard for DVT?

Answer 2

US of proximal lower extremeties

Question 3

Clinical s/s of DVT?

Answer 3

Leg swelling and tenderness

Question 4

Clinical indications for DVT US?

Answer 4

• Suspicion of lower extremity DVT
• suspicion of PE in pt that cant get CT
• verchow’s triad

Question 5

Verchow’s triad?

Answer 5

Hypercoagulability
Venous statis
Vessel injury

Question 6

Wells score?

Answer 6

Slide 7

Question 7

Venous anatomy?

Answer 7

Slides 9-10

Question 8

Femoral vein compression?

Answer 8

Some say do it every 2cm until the bifurcation (approx 10cm from inguinal ligament)

Others day just do one spot because most studies are based on just one compression at level of inguinal ligament

Question 9

DVT pics

Answer 9

14,15,16

Question 10

Popliteal vein compression?

Answer 10

Recommend compression of the:

• Proximal
• Mid
• Distal popliteal fossa

Question 11

Where is the distal popliteal fossa?

Answer 11

Where the popliteal vein reaches its trifurcation

Question 12

Transducer for DVT US?

Answer 12

Normal
- Linear transducer

Bad habitus
- curvilinear

Probe marker to pts R

Question 13

Pos DVT US?

Answer 13

Failure to compress

Question 14

DVT US position?

Answer 14

• Pt = supinr, fog leg

- Pt = 20-30* reverse trendelenberg

Question 15

DVT US summary?

Answer 15

Linear transducer
Indicator to pts R
Scan proximal femoral and popliteal veins q 1cm x 5-10cm
Pos = failure to compress

Question 16

I’m reading a book about the history of glue

Answer 16

I just cant seem to put it down