Hypertension Flashcards
large arteries aka?
elastic arteries
medium sized arteries aka?
muscular arteries
branches of aorta?
medium-sized, muscular arteries
small arteries found in?
within tissues and organs
Atherosclerosis affects?
medium-sized and large arteries
Hypertension affects?
small arteries and arterioles
capillaries walls qualities?
- lined by endothelial cells
- supported by a thin basement membrane
- media is absent
Veins predisposed to?
compression, dilatation, and invasion by tumors and inflammation
primary htn prevalence?
90-95%
primary htn causes?
idiopathic
secondary htn prevalence?
5-10%
primary htn risk factors?
age, ethnicity, smoking, obesity, positive family history, stress, diabetes
secondary htn causes?
renal parenchymal disease, renovascular disease, Conn syndrome, Cushing syndrome, pheochromocytoma, OSA, drug reactions
Drug reactions which cause seconndary htn?
NSAIDS,
steroids,
oral contraceptives
primary HTN vascular fx?
- Homogenous pink Hyaline thickening of vessels
2. Luminal narrowing
primary HTN associated with?
increased cardiac output and increased total peripheral resistance
HTN clinical signs?
- Usually asymptomatic
- headaches
- palpitations
HTN complications?
CAD, MI, CVA, CHF, peripheral vascular disease, aortic dissection, retinopathy, renal failure
1st step of HTN treatment?
- Primary: Reduce blood pressure with lifestyle changes and antihypertensive therapy
- Secondary: treat underlying causes of secondary hypertension
HTN treatment: Lifestyle changes?
Weight loss, exercise, reduce salt intake, smoking cessation, and moderate alcohol intake
HTN treatment: Pharmacologic agents?
ACE inhibitors, calcium antagonists, β-blockers, thiazide diuretics, α-blockers
Hypertensive renal disease can present with?
nephritic syndrome
Hypertensive renal disease associated with?
overstimulation
of the renin-angiotensin system
Malignant Hypertension etiology?
Results from an accelerated course of essential or secondary hypertension