Unit 4: Drug cards Flashcards
π ACE Inhibitors (-prils) β What do they do?
Treats HBP, heart failure, kidney disease
β Examples: Lisinopril, Enalapril, Ramipril
β Mechanism: Blocks angiotensin-converting enzyme (ACE) β prevents angiotensin II formation β vasodilation & reduced fluid retention
ACE Inhibitors (-prils):
Indications + Side Effects
β Indications: Heart Failure, Hypertension, Post-MI, Diabetic Nephropathy
β
Side Effects:
β‘ Hypotension (especially 1st dose)
β‘ Dry cough (bradykinin buildup)
β‘ Hyperkalemia
β‘ Angioedema (rare but serious!)
ACE Inhibitors Nursing Considerations
β‘ Monitor BP, potassium levels
β‘ Avoid potassium supplements/salt substitutes
β‘ First dose effect β take at night to avoid dizziness
π Beta-Blockers (-lols) β What do they do?
Mechanism, Indications
β Examples: Metoprolol, Carvedilol, Atenolol
β Mechanism: Blocks beta-adrenergic receptors, reducing HR & contractility, lowering myocardial oxygen demand
β Indications: Heart Failure, Hypertension, Angina, Post-MI, Atrial Fibrillation
Beta- Blockers (-lols): Side effects, Nursing Considerations
β
Side Effects:
β‘ Bradycardia, hypotension
β‘ Fatigue, dizziness
β‘ Bronchospasm (avoid in asthma!)
β‘ Masking of hypoglycemia in diabetics
β
Nursing Considerations:
β‘ Check HR & BP before giving (Hold if HR <60 or SBP <90!)
β‘ Do not stop abruptly β can cause rebound hypertension or angina
π Diuretics β How do they help in Heart Failure?
Indications
β
Examples & Mechanism:
β‘ Loop diuretics (Furosemide, Bumetanide) β Block Na+/K+/Cl- reabsorption in Loop of Henle β Potent diuresis
β‘ Thiazide diuretics (Hydrochlorothiazide, Chlorthalidone) β Blocks Na+ absorption in DCT, milder effect
β‘ Potassium-sparing diuretics (Spironolactone, Eplerenone) β Blocks aldosterone, prevents K+ loss
β Indications: Heart Failure, Hypertension, Edema
Diuretics: Side Effects, Nursing Considerations
β
Side Effects:
β‘ Dehydration, hypotension
β‘ Electrolyte imbalances (Hypokalemia with loop/thiazide, Hyperkalemia with spironolactone)
β
Nursing Considerations:
β‘ Monitor electrolytes (K+, Na+), daily weights, BP
β‘ Give in the morning to prevent nocturia!
π Digoxin (Cardiac Glycoside) β Why is it used?
β Mechanism: Inhibits Na+/K+ ATPase β increases intracellular calcium β stronger heart contractions (positive inotrope), slows HR
β Indications: Heart Failure (HFrEF), Atrial Fibrillation
Digoxin- Side effects, Toxicity Signs, Nursing Considerations
β Side Effects:
β‘ Bradycardia, arrhythmias
β‘ GI symptoms (nausea, vomiting, diarrhea)
β‘ Visual disturbances (yellow-green halos, blurred vision)
β Toxicity Signs: Confusion, arrhythmias, N/V, visual halos
β
Nursing Considerations:
β‘ Check HR before giving! (Hold if HR <60 bpm)
β‘ Monitor digoxin levels (therapeutic: 0.5-2.0 ng/mL)
β‘ Antidote: Digibind (Digoxin immune Fab)
π Vasodilators β How do they reduce Heart Failure symptoms?
β Examples: Hydralazine, Isosorbide Dinitrate, Nitroprusside
β Mechanism: Directly relaxes blood vessels, reducing afterload & preload, improving cardiac output
β Indications: Heart Failure, Hypertension, Angina, Hypertensive Crisis
Vasodilators: Side Effects, Nursing Considerations
β
Side Effects:
β‘ Hypotension, dizziness
β‘ Headache, flushing
β‘ Reflex tachycardia
β
Nursing Considerations:
β‘ Monitor BP, educate on orthostatic hypotension
β‘ Nitrates: Avoid with sildenafil (Viagra) β can cause fatal hypotension!
π Epinephrine β What is it used for?
Mechanism: Stimulates alpha & beta receptors β increases HR, BP, bronchodilation
β Indications: Anaphylaxis, Cardiac Arrest, Shock, Severe Asthma Attack
Enipephrine- Side Effects, Nursing Consideration
β
Side Effects:
β‘ Hypertension, tachycardia, arrhythmias
β‘ Tremors, anxiety, headache
β‘ Hyperglycemia
β
Nursing Considerations:
β‘ Monitor vitals, cardiac rhythm
β‘ Educate patients on EpiPen use for anaphylaxis
π Antibiotics for Septic Shock β Whatβs Used?
β Examples: Vancomycin, Piperacillin-Tazobactam (Zosyn), Meropenem
β Indications: Sepsis, Bacterial Infections
Antibiotics: Side Effects, Nursing Considerations
β
Side Effects:
β‘ Nephrotoxicity (Vancomycin β monitor trough levels!)
β‘ GI upset, diarrhea
β‘ Allergic reactions (watch for anaphylaxis with penicillins!)
β
Nursing Considerations:
β‘ Monitor renal function (BUN, Cr)
β‘ Administer over recommended infusion times to prevent toxicity
π Iron Supplements β When are they needed?
β Examples: Ferrous sulfate, Iron dextran (IV)
β Indications: Iron Deficiency Anemia, Chronic Blood Loss
Iron Supplements- Side Effects, Nursing Considerations
β
Side Effects:
β‘ Constipation, dark stools
β‘ GI irritation (nausea, epigastric pain)
β‘ Iron toxicity (rare but dangerous!)
β
Nursing Considerations:
β‘ Take with Vitamin C for better absorption
β‘ Avoid taking with calcium or dairy (reduces absorption)
β‘ Stools may turn black (normal!)
π Vitamin B12 (Cyanocobalamin) β Why is it given?
Indications, Side Effects, Nursing Considerations
β Indications: Pernicious Anemia, B12 Deficiency, Neuropathy
β
Side Effects:
β‘ Injection site reactions (for IM form)
β‘ Hypokalemia (due to RBC production increasing K+ use)
β
Nursing Considerations:
β‘ IM injections needed for patients with pernicious anemia (no intrinsic factor)
β‘ Monitor B12 levels, neurological symptoms
π Nitroglycerin (Nitrates) β What does it do?
- Indications, Side Effects, Nursing tips
β Relaxes blood vessels β Reduces chest pain (angina)
β Indications: π Angina, MI, Heart Failure
β
Side Effects:
β‘ Headache (common!)
β‘ Dizziness, hypotension
β‘ Flushing
β
Nursing Tips:
β‘ Sublingual tablets: 1 every 5 min, max 3 doses β Call 911 if pain continues!
β‘ No Viagra! Can cause fatal hypotension.
π Statins (Cholesterol Meds) β What do they do?
β Examples: Atorvastatin, Simvastatin, Rosuvastatin
β Blocks liver from making cholesterol β Lowers LDL, raises HDL
β Indications: π©Έ High cholesterol, Heart disease prevention
Statins- Side Effects, Nursing Tips
β Side Effects:
β‘ Muscle pain (rhabdomyolysis β serious!)
β‘ Liver damage (monitor liver function tests!)
β
Nursing Tips:
β‘ Take at night (cholesterol is made at night!)
β‘ Avoid grapefruit juice (β drug levels = risk of toxicity)
π Heparin (Anticoagulant) β Whatβs it for? Indications, Side Effects
β Prevents blood clots! (Does NOT break existing ones)
β Indications: π©Έ DVT, PE, Stroke prevention
β
Side Effects:
β‘ Bleeding (check gums, urine, stool!)
β‘ Heparin-induced thrombocytopenia (HIT β low platelets!)β
Prevents blood clots! (Does NOT break existing ones)
β
Indications: π©Έ DVT, PE, Stroke prevention
Heparin Nursing Tips
β‘ Monitor PTT levels (normal: 25-35 sec, therapeutic: 1.5-2x normal)
β‘ Antidote: Protamine sulfate!
π Warfarin (Coumadin) β How is it different from Heparin?
β Oral blood thinner β Takes days to work!
β Indications: π©Έ DVT, A-fib, Stroke prevention
β
Side Effects:
β‘ Bleeding risk (monitor INR levels!)
β‘ Bruising, GI bleeding
β
Nursing Tips:
β‘ Monitor INR (Therapeutic: 2-3)
β‘ Vitamin K is the antidote! (Avoid green leafy veggies)
β‘ Use soft toothbrush, electric razor (reduce bleeding risk!)
π Low Molecular Weight Heparin (LMWH) β Whatβs different?
Side Effects, Tips
β Example: Enoxaparin (Lovenox)
β
Longer half-life, fewer lab checks needed
β
Given as a SUB-Q injection (abdomen only!)
β
Side Effects:
β‘ Bleeding risk
β‘ Pain/bruising at injection site
β
Nursing Tips:
β‘ Do NOT rub injection site (prevents bruising)
β‘ Monitor for bleeding (black/tarry stool, bruising)
π Clopidogrel (Plavix) β Why is it used?
Indications, Side Effects, Tips
β Prevents platelets from sticking β Stops clots!
β Indications: Stroke prevention, Post-stent placement, CAD
β
Side Effects:
β‘ Bleeding risk
β‘ GI upset
β
Nursing Tips:
β‘ Hold before surgery (risk of excessive bleeding!)
β‘ Monitor for bruising, black stools, bleeding gums