21/03/2026
❤️ HEART FAILURE 🫀
What is it?
Dysfunction of the heart affecting its ability to fill or pump blood effectively.
Leads to ↓ CARDIAC OUTPUT
Common Causes
• Cardiomyopathy
• Coronary artery disease
• Myocardial infarction (Heart Attack)
• Hypertension
• Endocarditis
• Congenital heart disease
• Arrhythmias
• Alcohol or drug use
🧪 DIAGNOSTICS & VALUES
BNP Blood Test
Released by ventricles when stretched/under pressure.
• < 100: Normal
• 300+: Mild Heart Failure
• 600+: Moderate Heart Failure
• 900+: Severe Heart Failure
Ejection Fraction (EF)
Measured via Echocardiogram.
• 55% - 70%: NORMAL
• < 40%: BAD (Heart Failure)
💊 HEART FAILURE MEDICATIONS
1. ACE Inhibitors (-PRIL) / ARBs (-SARTAN)
• Action: Vasodilates to lower BP.
• Side Effects: ACE causes a "dry nagging cough." ARBs increase Potassium (K^+).
2. Beta Blockers (-LOL)
• Action: Decreases workload of the heart.
• Nursing: Check BP and Heart Rate (HR) before giving.
3. Digoxin (Positive Inotrope)
• Action: Makes heart pump STRONGER and SLOWER.
• Nursing: Check apical pulse for 1 full minute. Watch for toxicity (K^+ levels).
4. Calcium Channel Blockers
• Action: Relaxes vessels to lower BP (e.g., Cardizem, Verapamil).
5. Vasodilators
• Action: Decreases preload/afterload (e.g., Nitroglycerin, Hydralazine).
6. Diuretics
• Potassium Wasting (-IDE): e.g., Furosemide (Lasix).
• Potassium Sparing: e.g., Spironolactone.
🏥 NURSING CARE & DIET