Heart failure

Audience: Patients and providers
Status: Clinical guide · patient + provider
Last updated: 2026-03-09

1. Clinical overview

Heart failure is a clinical syndrome of impaired cardiac filling or ejection that drives congestion, exercise intolerance, hospitalization risk, and the need for close medication titration and self-monitoring.

2. Common causes and risk factors

Syndrome of impaired ventricular filling or ejection with neurohormonal activation.
Common etiologies: ischemic disease, hypertension, valvular disease, cardiomyopathy.

3. Typical symptoms

Dyspnea, orthopnea, edema, fatigue, exercise intolerance, weight gain from fluid retention.

4. Diagnosis and evaluation

Confirm diagnosis with guideline-based history, exam, and indicated testing.
Screen for severity, complications, and high-risk comorbid conditions.
Identify social or access barriers that could affect treatment success.

5. Treatment (non-pharmacologic)

Daily weights, sodium guidance, fluid strategy when indicated.
Cardiac rehab/activity progression and vaccination.
Clear escalation plan for decompensation symptoms.

6. Treatment (pharmacologic)

HFrEF foundational therapy commonly uses sacubitril/valsartan or an ACEi/ARB, evidence-based beta blockers such as carvedilol or metoprolol succinate, spironolactone or eplerenone, and SGLT2 inhibitors such as empagliflozin or dapagliflozin.
Loop diuretics such as furosemide, torsemide, or bumetanide are used for congestion relief, with hydralazine/isosorbide dinitrate, digoxin, or ivabradine added in selected patients.
HFpEF management often uses loop diuretics for volume control, SGLT2 inhibitors, and targeted treatment of hypertension, atrial fibrillation, CAD, and obesity.

7. Monitoring and follow-up

Weight, BP, renal function, potassium, congestion status, adherence, hospitalization risk.

8. Practical counseling points

Give patients a clear “what to do today / when to call / when to seek urgent care” plan.
Use teach-back to confirm understanding of treatment goals and medication instructions.
Simplify regimens when possible to improve adherence and outcomes.

9. Red flags and escalation

Escalate care urgently for severe or rapidly worsening symptoms.
Reassess diagnosis if expected response does not occur within the anticipated timeline.

10. Guideline references

Note: Educational guide only; not a substitute for individualized medical care.