Pharm 2 Exam 1 Flashcards
Thiazide Diuretic
hydrochlorothiazide (HCTZ) Indications
Edema, HF, Diabetes, HTN, Idiopathic Hypercalciuria
Loop Diuretic
furosemide (lasix) indications
Management of edema in HF, Hepatic or Renal disease, HTN, Hypercalcemia
*Potassium-Sparing Diuretic
spironolactone (Aldactone) indications
Hyperaldosteronism, HTN,
Reversing of hypokalemia casued by Potassium-Wasting diuretics,
heart failure in pediatric patient.
Thiazide Diuretic
hydrochlorothiazide (HCTZ)
Contraindications/Precautions
Allergy, Hepatic Coma, Anuria, Severe Renal Failure
Loop Diuretic
furosemide (lasix)
Contraindications/Precautions
Allergy, hepatic coma, severe electrolyte loss
Potassium-Sparing Diuretic
spironolactone (Aldactone)
Contraindications/Precautions
Allergy, Hyperkalemia, Renal Failure, Anuria
Thiazide Diuretic
hydrochlorothiazide (HCTZ)
Side/Adverse Effects
Hypokalemia, Hypercalcemia, Hyperglycemia, Elevated Lipids, Elevatid Uric Acid
Loop Diuretic
furosemide (Lasix)
Side/Adverse Effects
Hypokalemia, photosensitivity, dizziness, headache
Potassium-Sparing Diuretic
spironolactone (Aldactone)
Side/Adverse Effects
Gynecomastia, amenorrhea, irregular menses, postmenopausal bleeding, hyperkalemia, dizziness, headache
*Thiazide Diuretic
hydrochlorothiazide (HCTZ) Interactions
Corticosteroids,
digoxin,
oral hypoglycemics
*Loop Diuretic
furosemide (Lasix) interactions
*NSAIDs - nephrotoxic - Increased BUN/Creatinine
*Vancomycin: nephrotoxic!!
Corticosteroids
*Digoxin - Increased levels - risk for toxicity
*Lithium - Increased levels - risk for toxicity
Aminoglycoside antibiotics
Potassium-Sparing Diuretic
spironolactone (Aldactone) interactions
ACE Inhibitors, Lithium, NSAIDs
*Thiazide Diuretic - hydrochlorothiazide (HCTZ) & Loop Diuretic
furosemide (Lasix) education
Potassium wasting so watch for Hypokalemia symptoms (Alkalosis, Shallow Resp., Irritability, Confuson, Weakness, Arrhythmias, Lethargy, Thready Pulse, Reduced Bowel Sounds
*Potassium-Sparing Diuretic
spironolactone (Aldactone) education
*watch for Hyperkalemia (muscle twitching -> cramps -> parasthesia, irritability and anxiety, reduced BP, EKG changes, Dysrhythmias & Irregular Rhythm, Abdominal Cramping, Diarrhea)
older adults & diuretics
Start with lower doses and gradually increase - goal is a lowest effective dose
Monitor for s/s of hyperkalemia, hypokalemia, dehydration, o/s hypotension
Change positions slowly
Have alternate methods for urination available (i.e. bedside commode, urinal)
Cardiac Glycoside
digoxin (Lanoxin) indications
Systolic heart failure, atrial fibrillation
Action: Positive inotropic, negative chronotropic, negative dromotripic
Cardiac Glycoside
digoxin (Lanoxin)
Contraindications/Precautions
Allergy, second or third-degree heart block, ventricular tachycardia or vibrilation, diastolic HF, subaortic stenosis
Cardiac Glycoside
digoxin (Lanoxin)
Side / Adverse Effects
Brady/Tachycardia, Hypotension, Headache, fatigue, confusion, convulsions, colored vision, halo vision, anorexia, nausea, vomiting, diarrhea
Cardiac Glycoside
digoxin (Lanoxin) Interactions
Amiodarone, quinidine, verapamil, these can increase levels by 50%
Cardiac Glycoside
digoxin (Lanoxin) Admin
Low therapeutic index, levels are 0.5-2ng/mL
Cardiac Glycoside
digoxin (Lanoxin)
Interventions / Considerations
*Low K+/Mg+ may increase toxicity
*Admin of Digoxicine immune Fab needed for severe toxicity
*Steps to manage Toxicity:
Discontinue, Begin ECG Monitoring & Give antidysrhythmics as ordered, Determine serum digoxin and electrolyte levels, admin K+ supplements for hypokalemia if indicated, institute supportive therapy for GI symptoms (N/V/D), Admin antidote (digoxin immune Fab) if indicated
*digoxin (Lanoxin) s/s toxicity Education
Bradycardia, Headache, Dizziness, Confusion, Nausea, Blurred/Yellow Vision
Order of Prescription for HF
Order of Prescription - ACE Inhibitors -> ARBs -> Beta Blockers -> Loop Diuretics -> Digoxin
phosphodiesterase inhibitor
*milrinone (Primacor) indications
*ICU Setting for acute heart failure
Action: Positive inotropic, causes vasodilation