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Hypertension
Overview
98
Audiology
3rd Grade
02/10/2014

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Cards

Term
force of blood against the walls of the blood vessels
Definition
blood pressure
Term
force of blood in the arteries when the heart beats
Definition
systolic pressure
Term
force of blood in the arteries when the heart is relaxed
Definition
diastolic pressure
Term
CO x SVR
Definition
blood pressure
Term
HR x SV
Definition
cardiac output
Term
"essential"; idiopathic; Renin Angiotensin Aldosterone System; neurological/receptor abnormalities; vasodilation/vasoconstriction imbalances
Definition
Primary Hypertension
Term
sleep apnea; drug induced; CKD; primary aldosteronism, Cushing's, pehochromocytoma; coarctation of the aorta; thyroid or parathyroid disease; renal artery stenosis
Definition
Secondary Hypertension
Term
JNC 7 Guidelines Definitions
Definition
define hypertension and prehypertension
Term
2014 Guidelines Definitions
Definition
definitions not addressed but only thresholds for medication treatment
Term
JNC 7 Guidelines Treatment Goals
Definition
separate for uncomplicated and subsets with comorbid conditions
Term
2014 Guidelines Treatment Goals
Definition
Similar goals for all patients with hypertension
Term
JNC 7 Guidelines Lifestyle
Definition
recommended based on literature review and opinion
Term
2014 Guidelines Lifestyle
Definition
endorses, recommendations of the Lifestyle Work Group
Term
JNC 7 Guidelines Drug Therapy
Definition
5 classes for initial therapy with Thiazides for most patients
Term
2014 Guidelines Drug Therapy
Definition
4 drug classes with separate recommendations for racial CKD and Diabetic groups
Term
JNC 7 Scope
Definition
Multiple Issues
Term
2014 Guidelines Scope
Definition
Limited to 3 questions
Term
Factors Affecting SVR: Sensors
Definition
baroreceptors, JG apparatus, atrium
Term
Factors Affecting SVR: Effectors
Definition
vasoconstrictors, vasodilators, others
Term
Factors Affecting SVR: Mediators
Definition
blood pressure, distal tubule Cl- delivery, atrial stretch
Term
overproduction of sympathetic hormones (occurs rarely but changes the way you treat hypertension)
Definition
Pheochromocytoma
Term
oral contraceptives
Definition
may increase blood pressure
Term
contraindicated in pregnancy
Definition
ACEI and ARBs
Term
patients 60 + years old
Definition
start txt when BP is 150/90. treat to goal of < 150/90
Term
patients < 60 years old
Definition
start txt when BP is >140/90. treat to goals of < 140/90
Term
patients > 18 years with CKD, people with diabetes and > 18
Definition
initiate when BP is > 140/90
Term
nonblack population including those with diabetes
Definition
thiazide-type diuretic, CCB, ACE-I or ARB
Term
black population, including those with diabetes
Definition
include thiazide-type diuretic or a CCB
Term
people aged > 18 years with CKD
Definition
initial includes ACE-I or ARB
Term
hypertensive urgency
Definition
SBP > 200 mmHg; DBP > 100 mmHg; without target end organ damage; usually do not require hospitalization; oral antihypertensive therapy
Term
hypertensive emergency
Definition
SBP > 200 mmHg; DBP > 100 mmHg; w/ target end organ damage; requires hospitalization; IV antihypertensives
Term
target end organ damage
Definition
encephalopathy, MI, unstable angina, pulmonary edema, eclampsia, stroke, head trauma, life threatening arterial bleeding, aortic dissection
Term
resistant hypertension
Definition
multifactorial (BP measurement technique, Na+, diuresis, medications, ETOH, identifiable causes)
Term
Thiazide Diuretics
Definition
Hydrochlorothiazide, chlorthalidone, metolazone
Term
Loop diuretics
Definition
Furosemide, Bumetanide, Ethacrynic acid, Torsemide
Term
inhibits Na+/Cl- absorption in the distal tubule --> vasodilation
Definition
Thiazide diuretics
Term
thiazide diuretics ineffective:
Definition
when renal insufficiency present (<30 ml/min) or if on NSAIDs; cross sensitivity with sulfa allergy
Term
thiazide pros
Definition
inexpensive, benefits in osteoporosis, metalozone beneficial in low GFR - add on therapy, elderly and African American patients respond more
Term
thiazide cons
Definition
hypokalemia; hyponatremia; hyperlipidemia; hyperglycemia; hypomagnesemia; hypercalcemia; sexual dysfunction
Term
thiazide counseling tips
Definition
take in morning; watch input/output; watch for potassium supplementation
Term
Loop diuretics
Definition
furosemide, bumetanide, ethacrynic acid, torsemide
Term
inhibits reabsorption of Cl- in asecending Loop of Henle
Definition
Loop Diuretics
Term
rapid and short acting, can be used in renal insufficiency, cross sensitivity with sulfa allergy (except for ethacrynic acid)
Definition
loop diuretics
Term
loop diuretics pros
Definition
potent, rapid onset
Term
loop diuretics cons
Definition
hypokelmia, hypocalcemia, hypomagnesemia, ototoxicity, hyponatremia, phototoxicity, dehydration
Term
potassium sparing diuretics
Definition
spironolactone, eplerenone; triamterene, amiloride
Term
blocks aldosterone
Definition
Spironolactone, eplerenone
Term
inhibits potassium directly
Definition
triamterene, amiloride
Term
do not work well alone in txt of HTN; caution use with ACEI; caution use in renal insufficiency; hyperkalemia, gynecomastia
Definition
Potassium Sparing Diuretics
Term
inhibits the conversion of angiotensin I to angiontensin II; blocks degradation of bradykinin
Definition
ACE inhibitors
Term
ACE inhibitors
Definition
stimulate the synthesis of vasodilating substances (prostaglandin E2 prostacyclin)
Term
ACE inhibitors pros
Definition
renal protection in susceptible patients; prevents remodeling in post MI and HF patients
Term
ACE inhibitors cons
Definition
cough; postural hypotension; hyperkalemia; rash; increase SCr; angioedema; metallic taste; pregnancy category X
Term
ACE Inhibitors counseling tips
Definition
start low and go slow; may notice dry hacking non productive cough; do not take if you are or plan on being pregnant
Term
directly blocks ATI receptor that mediates the effects of angiotensin II
Definition
ARBs
Term
ARBs
Definition
no bradykinin effects; work well in combo with diuretics
Term
ARBs pros
Definition
less cough; less angioedema; low incidence of SE; use in DM, nephropathy, HF patients
Term
ARBs cons
Definition
renal insufficiency, hyperkalemia, orthostatic hypotension, pregnancy category X, angioedema
Term
dose dependent reductions in plasma renin activity
Definition
Aliskiren (Tekturna)
Term
Direct Renin Inhibitor
Definition
Aliskiren
Term
inhibits conversion of angiotensinogen to angiotensin I; only one to decrease renin activity despite increase in renin concentrations
Definition
Direct Renin Inhibitors (Aliskiren)
Term
Aliskiren contraindication
Definition
use with an ACEI or ARB in patients with diabetes mellitus
Term
Aliskiren AEs (common)
Definition
headache, dizziness diarrhea
Term
Aliskiren AEs (serious)
Definition
angioedema, hyperkalemia (in combo with ACEI)
Term
nondihydropyridines
Definition
diltiazem, verapamil
Term
dihydropyridines
Definition
nifedipine, amlodipine
Term
blocking voltage-sensitive calcium channels
Definition
CCBs
Term
CCBs
Definition
relaxation of cardiac and smooth muscles --> vasodilation
Term
negative inotropic effects
Definition
nondihydropyridines
Term
CCBs Pros
Definition
good for use in angina; alternative option for DM patients; Raynaud's syndrome
Term
CCBs Cons
Definition
bradycardia; AV block; heart failure; anorexia; nausea; peripheral edema; headache; hypotension; constipation; gingival hyperplasia
Term
decrease heart rate, decrease mortality, decrease renin output
Definition
Beta Blockers
Term
exhibit intrinsic sympathomimetic activity (ISA)
Definition
oxprenolol, pindolol, penbutolol, and acebutolol
Term
capable of exerting low level agonist activity at the beta adrenergic receptor while simultaneously acting as a receptor site antagonist; may be used in individuals exhibiting excessive bradycardia with sustained beta blocker therapy
Definition
ISA agents
Term
BB Pros
Definition
useful in arrhythmias; migraines, tremor; perioperatively; thyrotoxicosis; high renin states; anxiety; HF
Term
BB COns
Definition
bradycardia, fatigue, dizziness, bronchial constriction, depression, decreased HDL, insomnia/nightmares, AV block, sexual dysfunction, increased PVD
Term
decreased perfusion --> increased serum creatinine
Definition
ACE Inhibitors
Term
BB counseling tips
Definition
taper rather than D/C abruptly; may be tired when you 1st start but it should god away; masks hypoglycemia symptoms except for sweating
Term
alpha- beta blockers
Definition
labetolol, carvedilol
Term
labetolol, carvedilol
Definition
not necessarily more effective for HTN, main effects at beta receptor alpha blocking adds to vasodilatory actions; labetolol useful in hypertensive crisis; do not increase lipids
Term
Alpha Receptor Blockers
Definition
Prazosin, terazosin, doxazosin
Term
inhibits catecholamine uptake in smooth muscle cells --> vasodilation; not used a first line agent, used in patients with BPH and HTN
Definition
Alpha Receptor Blockers
Term
alpha receptor blockers pros
Definition
prostatism ( " a symptom complex resulting from compression or obstruction of the urethra, due most commonly to nodular hyperplasia of the prostate." )
Term
alpha receptor blockers cons
Definition
1st dose syncope; postural hypotension; syncope; sodium and water retention; vivid dreams; depression
Term
Alpha Receptor Blockers Counseling Tips
Definition
take 1st dose in MD office if possible; caution with elderly; take at bedtime if experiencing SE; if taking it for BPH as well as HTN observe for any signs of decreased urine output/changes
Term
Centrally Acting Agents
Definition
Clonidine, Methyldopa
Term
stimulates alpha 2 receptor in brain-- reduces sympathetic outflow, increases vagal tone
Definition
Centrally acting agents
Term
chronic use of centrally acting agents
Definition
sodium and water retention
Term
2nd or 3rd line agent; patch dosage form is available
Definition
Clonidine
Term
primary use in HTN during pregnancy; side effects limit use
Definition
Methyldopa
Term
centrally acting agents Pros
Definition
use in special populations
Term
centrally acting agents cons
Definition
rebound HTN if withdrawn too quickly; sedation; dry mouth; depression; blood dyscrasia; hemolytic anemia
Term
Direct Vasodilators
Definition
Hydralazine, Minoxidil
Term
direct arteriolar smooth muscle relaxation
Definition
direct vasodilators
Term
Use in African americans? lupus-like syndrome; dermatitis; drug fever; peripheral neuropathy; hepatitis; vascular headache
Definition
Hydralazine
Term
hair growth; more potent; fluid overload; pericardial effusion; EKG changes; last line agent
Definition
Minoxidil
Term
max sodium intake for managing hypertension
Definition
2400 mg/day
Term
will lower BP
Definition
reductions of 1000 mg/day sodium
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