vascular-hypertension

Question 1

what values define systemic HTN

Answer 1

greater or equal to 140/90

Question 2

list some risk factors for primary HTN

Answer 2

age
race (increased risk in black, decreased in asians)
obesity
stress
lack of PA
high salt diet

Question 3

how does the juxtaglomerular apparatus respond to renal artery stenosis

Answer 3

by secreting renin

Question 4

what are 2 ways that angioII raises BP

Answer 4

1. contract arteriolar smooth muscle (increasing TPR)

2. promoting adrenal release of aldosterone

Question 5

how can you tell the diff between renal artery stenosis HTN and primary HTN

Answer 5

in renal artery stenosis you will have elevated plasma renin and unilateral atrophy

Question 6

what is the most common cause of renal artery stenosis in males?

Answer 6

atherosclerosis

Question 7

what is the most common cause of renal artery stenosis in females?

Answer 7

fibromuscular dysplasia

Question 8

what is fibromuscular dysplasia

Answer 8

developmental defect of blood vessel wall, resulting in irregular thickening of large and medium sized arteries, esp the renal artery

Question 9

what values define malignant HTN?

Answer 9

greater or equal to 200/120 BP

Question 10

how does malignant HTN present?

Answer 10

acute end organ damage