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hypertension
ppt
20
Nursing
Undergraduate 1
03/14/2023

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Cards

Term
prehypertension
Definition
bp between 120/80 - 139/89
Term
secondary hypertesion is caused by
Definition
underlying factors
Term
The volume of blood pumped by the heart in a specific period (usually 1 minute)
Definition
Cardiac output
Term
cardiac output is determined by
Definition
strength, rate, and rhythm of the contraction of the left ventricle and the blood volume
Term
Force in the blood vessels that left ventricle must overcome to eject blood from the heart
Definition
Peripheral vascular resistance
Term
Resistance to blood flow determined by
Definition
diameter of the blood vessels and blood viscosity
Term
the most prominent characteristic of hypertension
Definition
increased peripheral vascular resistance:
Term
s&s of hypertension
Definition
occipital headaches that are more severe on arising, light headednes, epistaxix
Term
narrowing of the renal arteries may decrease renal function and lead to chronic
Definition
renal failure
Term
prolonged hypertension _ the cerebral arteries putting pt at risk for _
Definition
constricts and damages, TIA, CVA
Term
htn damage to the eyes may include
Definition
include narrowing of the retinal arterioles, retinal hemorrhages, and papilledema; may lead to blindness
Term
htn is also called the
Definition
silent killer
Term
blood studies r/t htn
Definition
glucose, hematocrit, potassium, calcium, creatinine, and a lipid profile
Term
specific antihypertensive drugs
Definition
Diuretics
Beta-adrenergic receptor blockers
Calcium antagonists
Angiotensin-converting enzyme (ACE) inhibitors (ACEIs)
Angiotensin II receptor antagonists (ARBs)
Central adrenergic blockers
Alpha-adrenergic receptor blockers
Direct vasodilators
Term
causes of secondary htn
Definition
Renal disease
Excess secretion of adrenal hormones
Narrowing of the aorta
Increased intracranial pressure
Some drugs such as vasoconstrictors
Term
has a specific known cause and is less common that primary hypertension
Definition
Has a specific known cause and is less common than primary hypertension
Term
symptoms of hypertensive emergencies
Definition
Severe headache, blurred vision, nausea, restlessness, and confusion
Term
causes of hypertensive emergencies
Definition
malignant hypertension, hypertensive encephalopathy, eclampsia, pheochromocytoma (adrenal tumor), cerebrovascular accident
Term
diuretics and potent vasodilators
Definition
Fenoldopam, Nitroglycerin, Diazoxide, Hydralazine, Phentolamine, Labetalol, Nitroprusside
Term
oral options for the management of hypertensive crisis include
Definition
captopril, clonidine, nifedipine
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