PharmTest3 Flashcards
Captopril (Capoten)
Renen-Angeotension antagonist (ACE inhibitor)
HTN, CHF
Contraindications: renal disease. Caution with pregnancy
AE: Angioedema
Nursing: Hyperkalemia, first dose effect. DRY COUGH (Stop and switch). Take 1hr before meal or 2 hr after.
Monitor Renal and K+. Monitor Diuretics and ACE inhibitors
Losartan (Cozaar)
ARB- Block Angiotension II
Prevents vasoconstiction
Nursing: NO COUGH- med of choice for switching from ACE.
No grapefruit juice
No pregnancy
AE: Throbocytopenia, angeioedema, rhabdo, hyperkalemia
Monitor: Clay colored stools, dark urine
Hydrochlorothiazide (HydroDiuril)
Thiazide Diuretics- Early distal tubule.
Contraindications: GFR <25, Lupus, sulfide allergy, gout
SE: Hypokalemia/ Hyponatremia, hypovolemia, hypomagnesia,
Hyperglucemia, hypercalcemia, hyperuricemia, hyperlipidemia
Nursing: Plan around dosing. Encourage fluid intake. Monitor electrolytes
Furosemide (Lasix)
Loop Diuretic (Loop of henley)
Contraindications: Anuria in CRF
SE: Hypokalemia, hyponatremia, hypovolemia, hypomagnesia
Hyperglycemia, hypercalcemia, hyperuricemia
Ototoxicity,
Nursing: Administer IV slowly, monitor BP, I&O, check potassium
Triamterene (Dyrenium)
Potassium Sparing- can give with other diuretics. Manages edema and HTN
SE: Hyponatremia, Hypovolemia, HYPERKALEMIA
Nursing: Warn patient of intake of potassium. (Salt substitutes) Encourage fluid intake. Fatal if combined with K+ supplements.
Mannitol (Osmitrol)
Osmotic Diruetic
-Increases plasma osmolarity, glomerular filtration, tubular fluid. (Front of Nephron)
Inhibits reabsorption of H2O
Use with: ARF, Increased intraocular pressure.
Contraindications: Anemia, Pulmonary edema, bleeding. ANURIA (CKD)
Nursing: Check for crystallization
SE: Hypokalemia, hyponatremia, hypovolemia, hypomagnesia,
Hyperglycemia, hypercalcemia, hyperlipidemia
SE: CHF, dizziness, GI problem
Nursing: Warm and give with filter.
Acetazolamide (Diamox)
Carbonic Anhydrase Inhibitors- (Weak) Inhibits bicarb reabsorption
Use: Glaucoma, hydrocephalus, Petit mal seizure, OD of ASA & phenobarbitol
SE: Hyponatremia, hypovolemia, hypokalemia,
METABOLIC ACIDOSIS
Nursing: Monitor blood work- may have to give QOD
S/S Hypovolemia
Excessive thirst: Check B/p
Oliguria
Hypotension
Dry skin and mucous membrane
S/s Hyponatremia
- Anxiety
- Increased thirst
- Drowsiness, confusion, stupor
- Muscle weakness, twitching, convulsions
- ABD cramps
- Oliguria
- Hypotension/tachycardia
- Difficult to correct
S/s of hypokalemia
- Increased thirst (Hypo anything= thirst)
- Muscle cramps or pain
- Flaccid paralysis or tetany
- Paralytic ileus
- Cardiac arrhytmia
- lethargy, depression, irritability, confusion
- Anorexia, nausea, vomiting
S/s HYPERkalemia
- Mental confusion/anxiety
- Fatigue
- Weakness/heaviness
- Paresthesia (tingling/pricklies)
- Cardiac arrhythmia
Metabolic Alkalosis
- Slow, shallow respiration
- Hypertonic muscles, tenany, convusions,
- Arrhythmias
Normal B/P
<80
Prehypertension
120-139/80-89
HTN Stage 1
140-159/90-99
HTN Stage 2
> 160/>100
Essential HTN
Primary- predestined to have this
Secondary HTN
Caused by another disease or condition
Essential HTN factors
- Heredity
- Sodium
- Smoking-
- Type A stressful
- Stress
- Atherosclerosis
Secondary
Pheochromocytoma- tumor of adrenal medulla
- Coarctation of the Aorta
- Preeclampsia
All of these are reversible with medical treatment (or having baby
Major organs affected by HTN
Eyes, brain, heart, kidney
Step 1 HTN protocol
Use of single agent if P/P 140/90 for 3-6 mo
- diuretic
- Ace
- Beta Blocker
- Alpha adrenergic agonist
- alpha-adrenergic blocker
Step 2 of HTN protocol
Peripheral adrenergic inhibitors
- direct-acting vasodialators
- Calcium channel blockers
Step 3 of HTN
Increase drug dose
Try another drug
Add another drug from a different class
Step 4 of HTN
MOAR DRUGS
Propanolol (Inderal)
Beta Blocker
-Decreases peripheral resistance
- Reduced plasma renin activity
Tx: Afib, aflutter, tacy, narrow angle glaucoma, angina, PTSD
Contraindication (Beta Blocker)
-Cardiac failure, bradycardia, asthma and COPD, ^Hypoglycemia
Nursing- Check BP and P, do not discontinue suddenly. Prolongs life in MI. May
Clonidine (Catapres)
Alpha Adrenergic Blocker
Decreases sympathetic outflow
Contraindications: Pregnancy, tricyclic antidepressant
AE: Dry mouth, dizziness, sedation, n/v decreased HR and BP
Nursing: take at night, do not take with cold medication.
Hydralazine (Apresoline)
Vasodialator- diates arterioles without affecting sympathetic nervous system or adrenergic receptors
-Peripheral vasodialation
AE: triggers reflex tachyardia, and may require a beta blocker
Nursing: Give with Vit B6 to counteract peripheral neuritis
May cause Lupus (Rash, fatigue, swollen joints
Nitroprusside (Nipride)
Direct acting vasodilator
May trigger Reflex Tachycardia (BBlocker)
EMERGENT SITUATION ONLY
AE: Draw levels to monitor cyanide poisoning,
Nursing: Monitor for red venous blood, dyspnea, confusion (Cyanide poisoning)
Light sensitive, brown bag it
Drugs triggering reflex Tacycardia
Nitroprusside (Nipride)
Hydralazine (Apresoline)
Cadiac Impulse Follows…
- SA Node
- AV Node
- Bundle of HIS
- Bundle Branches
- Purkinje Fibers
Quinidine
Class IA Antiarrhythmic
Slows conduction, prolongs repolarization. Bidirectional block
Tx: Atrial fibrillation, Atrial flutter
Contra: Myasthenia gravis, severe heart conditions
Nursing: give without food, monitor ECG, Monitor K+
Amiodarone (Pacerone, Cardarone)
Class III Antiarrrhythmic/ Calcium Channel blocker
Use: ONLY life-threatening arrhythmias
Contraindication: 2-3rd heart block, pregnancy
AE: Pulmonarytoxicity, ^^arrythmia, liver disease
Drug interactions: Digoxin, flecainide, warfarin, grapefruit juice
Nursing: Take with food, notify physician for cough or SOB
Verapamil (Calan)
Calcium Channel Blocker
(Bidirectional block)
Effect: slow HR, Decrease BP
Use: Cardiac arrthmia, angina, htn
Contra: Depressed cardiac function, 2-3rd heard block, CHF, shock
Adverse: constipation
Nursing: Light sensitive, give with dig