Vascular Surgery Flashcards

1
Q

What factors contribute to thrombosis?

A

(think Virchow’s triad)

  1. hypercoagulability
  2. stasis
  3. endothelial injury
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the physiology behind rest pain?

A

nerves become ischemic causing pain at rest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is neurogenic claudication? what does it feel like?

A

constant burning pain that often follows dermatomes of the LE
-most commonly due to a back problem (lumbar spinal stenosis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what pressure of TcPO2 indicates good probability of healing of an extremity?

A

40mmHg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what 2 measurements are the diagnostics of choice to determine if an extremity will heal?

A

TcPO2

and absolute toe pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the minimum absolute toe pressure that determines if an extremity will heal?

A

> 45 (from Dr. Mahoney)

>30mm Hg (from Dr. Stern)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is CREST syndrome?

A

calcinosis, Raynauad’s, esophageal dysmotility, sclerodactyly, telangiectasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what tests can you order to rule out or in HITT?

A

PF-4 (platelet factor 4)
HIT- ab
SRA (serotonin releasing factor assay) >20% is diagnostic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what is a common sign seen with HITT?

A

decreased platelet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the mortality rate of someone who presents with critical limb ischemia?

A

50% mortality in 1-2 years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what are the 3 E’s of venous disease treatment?

A

elevation
exercise
elastic compression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are the first signs of lidocaine toxicity?

A

sensory disturbances

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

a thromboembolism to toes and fingers are exacerbated by what?

A

cold weather (due to vasoconstriction of small arterioles)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the #1 thing you should think about with a patient who presents with cyanotic toes that are cyanotic with elevation?

A

aneursym

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

what is the biggest risk factor for aneurysm?

A

smoking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what is the minimum diamter of the aorta to classify it as an aneurysm?

A

3cm

17
Q

what is the cutoff for treatment of aortic aneurysm?

A

5.5cm