Chapter 26: Hypertension Flashcards
Hypertension Teaching
major risk factor for heart attack, stroke, heart failure, and kidney failure
can be controlled by diet or lifestyle changes
It is not recommended to stop abruptly antihypertensive drugs
Hypertension Teaching 2
If you are a sexually active woman, use birth control measures when taking
angiotensin-converting enzyme (ACE) inhibitors
Take most other oral antihypertensive agents with or after food intake to decrease gastric irritation
Avoid potassium supplements and salt substitutes containing potassium,
unless directed by the prescriber
AVOID ALCOHOL.
When: Captopril for Hypertension
prescribed specifically for patients with heart failure or asymptomatic left ventricular
dysfunction
Why: Captopril for Hypertension
Captopril decreases morbidity and mortality, and is effective in patients with renal impairment, and improves post-MI survival when added to the standard therapy of aspirin
Captopril blocks the production of angiotensin II, ACE inhibitors decrease
vasoconstriction (thus having a vasodilating effect) and decrease aldosterone
production (thus reducing retention of sodium and water).
Hydrochlorothiazide as an added med when current meds are ineffective
For African Americans, losartan and other ARBs may be ineffective when used alone
ACE inhibitors and diuretics
ACE inhibitors may be used alone or in combination such as thiazide diuretics
Nutritional teaching for HTN
recommended a diet low in sodium (4-6g / day) and fat along with increased consumption of fruits, vegetables, and grains
excessive sodium intake decreases the antihypertensive actions of all antihypertensive drugs
Patients with unrestricted salt intake who are taking thiazides may lose excessive potassium and become hypokalemia
Cultural considerations in the use of beta-blockers
Individuals of African descent are less responsive to beta-blockers (less effective as monotherapy)
Asian Americans with hypertension require much smaller doses of beta-adrenergic blockers because they metabolize and excrete the drugs slowly
Routes of administration for HTN medications
Intravenous or Oral (IV/PO)
Side effects of hypertension meds by class (ACE inhibitors)
sudden deep swelling or welts under the skin, particularly around the eyes and lips
Side effects of hypertension meds by class (ANGIOTENSIN II RECEPTOR BLOCKERS)
dizziness, muscle cramps or weakness, heartburn, diarrhea, and decreased
sensitivity to touch. There are reports of angioedema
Side effects of hypertension meds by class (CALCIUM CHANNEL BLOCKERS)
cardiovascular adverse effects occur most frequently and include peripheral edema of the hands,
ankles, and feet and pulmonary edema, particularly in patients with heart failure. Other potential adverse effects include headache, drowsiness
Side effects of hypertension meds by class (DIRECT RENIN INHIBITORS)
decrease heart rate [chronotropy], force of myocardial
contraction [inotropy]), cardiac output, and renin release from the kidneys
Nursing assessment prior to administration
Assess for the use of oral contraceptives, corticosteroids, appetite suppressants, nasal decongestants, and nonsteroidal anti-inflammatory agents- can increase BP. Assess for S/S of hypertension. Assess BP accurately and repeatedly