mal.htn.qqq - hemostat

[ArchivalUser]

what happens to renin activity in malignant hypertension?
1.increase
2.decrease
3.no change
4.increase and then decrease

[ArchivalUser]

I think it increases. cause from onion arthriosclerosis, renal perfusion decrease. No source, it is just logic. It may not work dude.

[ArchivalUser]

what do u think, is zat right?

[ArchivalUser]

4....? initial increase due to hypoperfusion, and then enough HTN to cause decreased renin later on???

[ArchivalUser]

malignant hypertension causes secondary hyperaldosteronism,so there is stimulation of R-A-A axis due to chronic intravascular volume depletion.both renin & aldosterone are elevated.