Acute/ Chronic Socrative review

Question 1

What is the current criteria for determining whether anticoagulants are used for lower extremity superficial thrombosis?

1. within 5 cm of the SFJ or a length or 3 or more
2. Within 3 cm of the SFJ or a length of 5 cm or more
3. Within 3 cm of any anastomosis or a length or 5 cm or more
4. Within 5 cm of the popliteal vein or length of 3 cm or more

Answer 1

Within 3 cm of the SFJ or a length of 5 cm or more

Question 2

A patient presents to the department with acute pain in the left leg. The physical examination shows the patient to have a bluish coloured limb that does not appear swollen. The limb feels cold and there is no pulse deteceted in the ankle

what differential diagnosis listed would fit this history?

1. Arterial occlusion
2. Phlegmasia alba dolens
3. Phlegmasia ceurlea dolens
4. Popliteal entrapment syndrome

Answer 2

1. Arterial occlusion
2. Phlegmasia Cerulea Dolens

Question 3

Select all the following criteria that would differentiate acute thrombus from chronic in the veins?

1. Distended vessel
2. Retracted vessel
3. Echogenic appearance
4. Hypoechoic appearance

Answer 3

1. Distended vessel
2. Hypoechoic appearance

Question 4

Review the patient histories given below and select the patient that would have suspected DVT?

1. 65 year old male with calf pain when walking. The pain goes away when at rest. There is a deep ulcer on the lateral ankle.
2. A 35 year old male with a sudden onset of neck and arm swelling. HE is an avid weight lifter and feels he may have over done things the day before
3. A 72 year old women who suffered a recent stroke. She is moderately obese and diabetic with a history of high blood pressure
4. A 47 year old women who presents with calf pain and swelling. She tells you that she plays soccer with a a local recreational club and was injured on the field 3 days earlier
5. A 54 year old carpenter presents with pain in the back of the knee. He has no history of DVT and a positive D-dimer

Answer 4

2. 35 year old Weightlifter
3. 47 year old soccer player
4. 54 year old carpenter

Question 5

Look carefully at this image and select the most likely reason that colour does not fill to the wall?

1. The colour box is angled incorrectly
2. The colour gain is too low
3. The colour baseline is incorrect
4. There is a thrombus
5. The colour scale is too high

Answer 5

There is a thrombus

Question 6

Select all of the following differential diagnoses for a patient that presents with calf swelling, redness and pain

1. DVT
2. Bakers cyst
3. Hematoma
4. Cellulitis
5. Lymphedema
6. Abscess

Answer 6

All of them

Question 7

What direction, relative to the probe, will the blood flow in an abnormal perforator?

Answer 7

Antegrade or towards. Because it would be moving deep to superficial

Question 8

What would your diagnosis be when viewing this image?

Answer 8

DVT, specifically a partial thrombus

Question 9

When assessing the perforators in the calf, you measure a reflux time of 0.4s would this be considered normal?

Answer 9

no, it has to below 0.35s for a perforator

Question 10

Which vessel is commonly harvested for coronary artery bypass grafts (CABG) and what is the criteria used to assess it?

Answer 10

GSV.

1. Length
2. Diameter is greater than 2.5mm
3. Wall thickness