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Flashcards in hypertension Deck (10):
1

why does reduced renal blood flow cause hypertension ?

get excess renin release causing aldosterone release and salt and water retention

2

endocrine disorders causing hypertension?

adrenal gland tumours, conns syndrome (excess aldosterone), cushings syndrome (excess corticosteroid), phaeochromocytoma (excess noradrenaline)

3

congenital narrowing of parts of the aorta ?

coarctation of the aorta can case hypertension

4

what does benign hypertension cause?

left ventricular hypertrophy, congestive heart failure, increases atheroma, increases aneurysm rupture, berry aneurysms, renal disease

5

In hypertension what happens to the microvasculature?

blood vessel wall changes in small arteries and arterioles. In retina and kidney. Get thickening of the media. Get hyaline atherosclerosis (plasma proteins forced into vessel wall)

6

what is malignant hypertension?

Malignant hypertension is extremely high blood pressure that develops rapidly and causes some type of organ damage.

7

malignant hypertension is a diastolic pressure of over?

130-140

8

malignant hypertension needs urgent treatment to prevent death

it is a serious life threatening condition

9

malignant hypertension effect on brain?

causes cerebral oedema (headache and cerebral haemorrhage)

10

what else does malignant hypertension cause>

acute renal failure, acute heart failure, blood vessels show fibrinoid necrosis