Intermediate•7 min read•High Yield

Acute Decompensated Heart Failure - CCS Case Guide

Key Takeaway: Acute decompensated heart failure presents with dyspnea and volume overload requiring urgent diuresis. Identifying the precipitant and optimizing guideline-directed medical therapy (GDMT) are critical for both acute management and long-term outcomes.

Acute decompensated heart failure presents with dyspnea and volume overload requiring urgent diuresis. Identifying the precipitant and optimizing guideline-directed medical therapy (GDMT) are critical for both acute management and long-term outcomes.

Recognizing the Heart Failure Presentation

  • History: Progressive dyspnea, orthopnea, PND, lower extremity edema, weight gain, decreased exercise tolerance; may report dietary indiscretion or medication noncompliance
  • Physical Exam: Elevated JVP, bibasilar crackles, S3 gallop, bilateral pitting edema, hepatojugular reflux, possible cool extremities in low-output states
  • Vital Signs: Tachycardia, possibly hypertensive (flash pulmonary edema) or hypotensive (cardiogenic shock), tachypnea, hypoxia

Immediate Actions (First 5 Minutes)

These orders should be placed immediately — timing is scored:

Critical First Orders

  • ✓ Supplemental oxygen or BiPAP if in respiratory distress
  • ✓ IV furosemide (1-2x home dose or 40 mg if diuretic-naive)
  • ✓ ECG
  • ✓ Chest X-ray
  • ✓ BNP or NT-proBNP
  • ✓ Continuous telemetry and pulse oximetry

Complete Workup

After initial stabilization, complete the diagnostic workup:

  • BNP or NT-proBNP
  • Chest X-ray (cardiomegaly, cephalization, pleural effusions, Kerley B lines)
  • ECG (arrhythmia, ischemia, LVH)
  • BMP (creatinine, potassium, sodium)
  • CBC
  • Troponin (rule out ACS as precipitant)
  • Liver function tests (congestive hepatopathy)
  • TSH
  • Echocardiogram (EF, wall motion, valvular function)
  • Daily weights and strict I/O

Treatment

Diuresis

  • IV furosemide bolus then reassess; may use continuous drip
  • Target net negative 1-2 L/day
  • Monitor daily weights, I/O, BMP
  • Add metolazone if diuretic resistance

Vasodilators

  • IV nitroglycerin if hypertensive and in pulmonary edema
  • Nitroprusside for severe afterload reduction (ICU only)
  • Avoid in hypotensive patients

GDMT Optimization (HFrEF)

  • ACE inhibitor/ARB or ARNI (sacubitril-valsartan)
  • Beta-blocker (carvedilol, metoprolol succinate, bisoprolol) - do NOT initiate during acute decompensation
  • Mineralocorticoid receptor antagonist (spironolactone)
  • SGLT2 inhibitor (dapagliflozin or empagliflozin)

Cardiogenic Shock

  • Inotropes (dobutamine or milrinone)
  • Vasopressors if hypotensive
  • Consider mechanical circulatory support (IABP, Impella)
  • Cardiology and cardiac surgery consultation

Common Pitfalls

Scoring Tip: These are the most commonly missed actions for Heart Failure cases.

  • Inadequate diuresis (under-dosing furosemide)
  • Starting or uptitrating beta-blocker during acute decompensation
  • Not identifying the precipitant (ACS, arrhythmia, dietary, noncompliance)
  • Forgetting to restrict sodium and fluids
  • Not obtaining an echocardiogram to assess EF
  • Discharging without optimizing GDMT

Disposition

  • ICU if requiring inotropes, vasopressors, or BiPAP/intubation
  • Telemetry floor for standard diuresis
  • Discharge when euvolemic, on stable oral diuretic, and GDMT optimized
  • Cardiology follow-up within 7 days of discharge

Key Orders Checklist

  • ☐ IV furosemide
  • ☐ BNP or NT-proBNP
  • ☐ Echocardiogram
  • ☐ Daily weights
  • ☐ Strict I/O
  • ☐ Sodium and fluid restriction
  • ☐ BMP daily
  • ☐ Continuous telemetry

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