CH22 Atypical Vascular Disorders

Question 1

What are the 7 characteristics of subclavian steal?

Answer 1

1. asymptomatic
2. more frequent on the left
3. 15-20 mmHg lower brachial pressure on the ipsilateral side
4. claudication is rare
5. Vert A flow reversal
6. surgical treatments: bypass graft or endarterectomy
7. Endovascular intervention: balloon angioplasty and stenting.

Question 2

What are the 6 characteristics of Takayasu’s Arteritis? (AKA Pulseless Disease)

Answer 2

1. Rare autoimmune disorder
2. Inflammation of Aorta walls and its branches
3. symptoms: dizziness, headaches, fainting, weakness, fatigue, chest pain, hypertension, heart attack, stroke.
4. more commonly in young women/teenage girls
5. Diagnosed by angiography
6. Treatment: steroids (prednisone)

Question 3

What are the 4 characteristics of Temporal Arteritis?

Answer 3

1. Inflammation of the distal superficial temporal artery
2. symptoms: headaches, ipsilateral vision changes/blindness, tenderness on palpation
3. Narrowed segment of the vessel w/ anechoic halo, secondary to edema
4. treatment: steroids (prednisone)