PVD Flashcards

1
Q

6 P’s of Ischemia

A
  • Pain: earliest sign
  • Parasthesias
  • Pallor
  • Poikilothermia
  • Pulslesness
  • Paralysis
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2
Q

6 P’s of Ischemia

A
  • Pain: earliest sign
  • Parasthesias
  • Pallor
  • Poikilothermia
  • Pulslesness
  • Paralysis
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3
Q

Types of primary lymphedema

A
  1. Congenital (Milroy’s dz): 35y/o
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4
Q

Rutherford Classification

A

Stages of PAD

  • Grade 0: asymptomatic
  • 1: mild claudication pain
  • 2: moderate claudication pain
  • 3: severe claudication pain
  • 4: rest pain
  • 5: minor tissue loss (ischemic ulcer)
  • 6: major tissue loss (gangrene)
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5
Q

Allen Test

A

-tests radial or ulnar artery for occlusion

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6
Q

ABI success for healing

A

> 0.35 = Non-DM

> 0.45 = DM

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7
Q

TBI

A

-indicated when ABI > 1.3

-

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8
Q

Segmental Pressures

A
  • 30 mmHg difference between adjacent cuffs on same leg

- 20-30 mmHg difference between contralateral leg

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9
Q

TcPO2

A
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10
Q

Skin Perfusion Pressure (SPP)

A
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11
Q

MRA v CTA

A
  • CTA gives > image detail

- CTA less accuracy in extensive vessel calcification

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12
Q

MRA v CTA

A
  • CTA gives > image detail

- CTA less accuracy in extensive vessel calcification

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13
Q

Types of primary lymphedema

A
  1. Congenital (Milroy’s dz): 35y/o
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14
Q

Rutherford Classification

A

Stages of PAD

  • Grade 0: asymptomatic
  • 1: mild claudication pain
  • 2: moderate claudication pain
  • 3: severe claudication pain
  • 4: rest pain
  • 5: minor tissue loss (ischemic ulcer)
  • 6: major tissue loss (gangrene)
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15
Q

Allen Test

A

-tests radial or ulnar artery for occlusion

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16
Q

ABI success for healing

A

> 0.35 = Non-DM

> 0.45 = DM

17
Q

Blue toe syndrome etiologies

A

CAVEMAN

  • Cardiac catheterization
  • A fib
  • Valvular dz
  • Endocarditis
  • MI/mural thrombus
  • Aneurysm/AV fistula
  • Nothing
18
Q

Segmental Pressures

A
  • 30 mmHg difference between adjacent cuffs on same leg

- 20-30 mmHg difference between contralateral leg

19
Q

TcPO2

20
Q

Skin Perfusion Pressure (SPP)

21
Q

Contraindications for MRA

A
  • pacemaker
  • pregnancy
  • implanted defibrillators
  • other implanted electronic devices
  • aneurysm clip
22
Q

MRA v CTA

A
  • CTA gives > image detail

- CTA less accuracy in extensive vessel calcification

23
Q

Risk factors for atherosclerosis

A
  • Modifiable: smoking, DM, HL, HTN
  • Predisposing factors: obesity, sedentary, stress (mod); age, male, post-meno, FHx (non-mod)
  • Emerging: elevated homocysteine, inflammation
24
Q

TAO

A

-AKA Buerger’s Dz
-inflammatory dz of small and medium arteries and veins
-

25
Sickle Cell Dz
- Homozygous for hemoglobin S | - Contraindication for TQ use
26
When does irreversible tissue damage occur secondary to ischemia?
6 hours
27
Risk factors for acute thrombosis
- Hypercoaguable state: protein c/s def, factor V leiden def, etc. - Thrombophilia - Malignancy - Low flow states (i.e. LE immobilization) - Dehydration - Hypotension
28
Blue toe syndrome etiologies
CAVEMAN - Cardiac catheterization - A fib - Valvular dz - Endocarditis - MI/mural thrombus - Aneurysm/AV fistula - Nothing
29
PE Testing
- PE likely: spiral CT (positive rules in) | - PE unlikely: D-dimer (negative rules out)
30
How to reverse coumadin?
- Vitamin K | - FFP (works faster)
31
How to reverse heparin?
-Protamine sulfate