Medical-Surgical Nursing, 9th Ed., Lewis, Dirksen, Heitkemper & Bucher | Registered Nurse (RN) School Study Aid
Hypertrophic Cardiomyopathy Mechanisms
- 2/3 Autosomal-Dominant
- 1/3 Sporadic Type
- Mutation in Gene for Sarcomere Protein
- Cardiac Myosin Binding Protein C
- Asymmetric Septal Hypertrophy
- Outflow Tract Obstruction
- Diastolic Dysfunction
Types of Heart Failure
- Left Sided
- Pulmonary Congestion
- Right Sided
- Peripheral Edema
- High Output
- Unable to Meet Metabolic Needs
Right Heart Failure Assessment
- Jugular Venous Distention (JVD)
- Peripheral Edema
- Hepatosplenomegaly
- Nocturia
- Weight Gain
- Ascites
- Fatigue
Left Heart Failure Assessment
- Pulmonary Congestion
- Pink Frothy Sputum
- Wheezing or Crackles
- Dyspnea with Exertion
- Cough
- Fatigue
- Tachycardia
- Weak Peripheral Pulse
- S3, S4 Heart Sounds
Heart Failure Interventions
- Echocardiogram
- Invasive Hemodynamic Monitoring
- High Fowler's Position
- Oxygen
- Advanced Airway
- Diuretics
- Beta Blockers
- Angiotensin II Receptor Blockers (ARBs)
- ACE Inhibitors
- Digoxin (Lanoxin)
- Pacemaker
Hydralazine (Apresoline)
- Severe Hypertension
- CHF
- Reduced Afterload
- Pregnancy
- Vasodilates Arterioles
- Drug-induced Lupus
- Reflex Tachycardia
- Hypotension
- Combined with Diuretic and Beta Blocker
Loop Diuretics
- Thick Ascending Limb of Loop of Henle
- Inhibits Na+-K+-2Cl-
- Sulfa Drug
- Furosemide
- Lasix
- Ototoxicity from Rapid Injection
- Gout
- Dehydration
- Hypocalcemia
- Hypokalemia
- Orthostatic Hypotension
Loop Diuretic Education
- Furosemide (Lasix)
- Heart Failure
- Pulmonary Edema
- Acute Renal Failure (ARF)
- Edema
- Notify the provider of weakness, dizziness, or muscle cramping
- Increase Potassium Intake
- Check BP Daily
- Daily Weights and Monitor IandOs
Nitroprusside
- Direct Release of NO
- Increase cGMP
- Short Half-Life
- Malignant Hypertension
- Cyanide Toxicity
Morphine
- Opioid Receptor Agonist
- Pain
- Myocardial Infarction
- Nausea and Vomiting
- CNS Depression
- Biliary Colic
- Constipation
- Increased Intracranial Pressure (ICP)
- Pupillary Constriction
- Hypotension
Dobutamine
- Beta-1 Agonist
- Inotropic
- Heart Failure
- Tachycardia
- Arrhythmias
- Closely Monitor Patients
- Other Meds May Increase Potency
Angiotensin-Converting Enzyme (ACE) Inhibitors
- "-pril" Suffix
- Block Renin Angiotensin-Aldosterone System (RAAS)
- Hypertension
- Heart Failure
- Dry Non-productive Cough
- Hypotension
- Dizziness
- Possible Hyperkalemia
- Angioedema
- Slowly Change Position
- Do Not Stop Abruptly
Spironolactone (Aldactone)
- Inhibition of Aldosterone
- Potassium Retention
- Hypertension
- Edema
- Heart Failure
- Hyperkalemia
- Endocrine Effects
- Avoid Potassium Supplements
Digoxin (Lanoxin)
- Increases Inotropy
- Heart Failure
- Atrial Fibrillation
- Bradycardia
- Fatigue
- Heart Block
- Heart Rate Below 60
- Hypokalemia
- Monitor for Toxicity and Visual Changes
- Digibind
Acute Digoxin Toxicity
- Hyperkalemia
- Cholinergic (Nausea, Vomiting, Diarrhea)
- Blurry Yellow Green Vision with Halo of Light
- Arrhythmia
- Bradycardia
- Prolonged PR interval
- Decreased QT
- Scooping on EKG
- T Wave Inversion
Digoxin Toxicity Treatment
- Activated Charcoal
- Slowly Normalize K+
- Digibind (Anti-Digoxin Fab)
- Magnesium Sulfate
- Lidocaine
- Cardiac Pacing