What is CHF?
In short The heart doesn’t pump or fill well enough, so fluid backs up into lungs and tissues. That can cause breathlessness, swelling, and fatigue. With the right plan, many people live well for years.
Goals: fewer symptoms and hospital visits, steady daily activity, and protection of heart and kidneys.
When to seek urgent help
- Severe shortness of breath at rest, pink frothy sputum, or cannot lie flat
- Fainting, chest pain, or new confusion
- Fast/irregular heartbeat with dizziness or near-faint
- Oxygen level very low if you monitor at home
These can be emergencies. Seek care immediately.
Common symptoms
- Shortness of breath with activity or when lying flat
- Waking at night breathless or needing extra pillows
- Swelling of ankles/legs, rapid weight gain (fluid)
- Fatigue, low exercise tolerance
- Cough or wheeze, poor appetite or early fullness
Related topics
- Breathlessness (Dyspnea)
- Swollen Feet (Edema)
- Blood Pressure & Logs
- Kidney Health (CKD)
Types (HFrEF vs HFpEF)
| Type | What it means | Notes |
|---|---|---|
| HFrEF (reduced EF) | Heart’s squeeze is weak (low ejection fraction) | Often benefits from ACEi/ARB/ARNI, beta-blocker, MRA, SGLT2, diuretics |
| HFpEF (preserved EF) | Heart is stiff and doesn’t relax/fill well | Focus on BP control, diuretics for congestion, SGLT2; treat triggers (AFib, obesity, sleep apnea) |
Common causes
- Coronary artery disease or prior heart attack
- Long-standing high blood pressure
- Valve problems (aortic/mitral)
- Heart rhythm issues (AFib), cardiomyopathies
- Diabetes, kidney disease, sleep apnea, obesity
- Viral myocarditis, alcohol/toxins, cancer therapies (some)
- Thyroid disorders, anemia, infections
How CHF is diagnosed
- History & exam (swelling, weight change, breathlessness, risk factors)
- BNP/NT-proBNP blood tests to support diagnosis
- Echocardiogram (heart structure, ejection fraction, valves)
- ECG, chest X-ray; labs (kidney, electrolytes, thyroid, iron)
- Further tests if needed (stress imaging, coronary eval, sleep study)
The plan is tailored to the specific type, cause, and other conditions.
Treatment overview
Fluid relief
- Diuretics (e.g., furosemide) for swelling/breathlessness; dosing may change based on weight and symptoms
Heart protection (HFrEF)
- ACEi/ARB or ARNI, plus a beta-blocker, an MRA (spironolactone/eplerenone), and an SGLT2 inhibitor
- Careful monitoring of BP, kidney function, and potassium
HFpEF focus
- Blood pressure control, diuretics for fluid, SGLT2 inhibitors
- Treat triggers: AFib, obesity, sleep apnea, kidney disease
Daily care: salt, fluids, weight & BP
Salt & fluids
- Keep sodium low (follow your clinician’s target; common goal ~1500–2000 mg/day)
- Fluid limits only if advised (often 1.5–2 L/day; follow your plan)
- Choose fresh foods; avoid salty packaged and restaurant items
Weight & BP log
- Weigh every morning after bathroom, before breakfast; record it
- Call plan: e.g., weight ↑ by 1–2 kg (2–4 lb) in 1–3 days → follow your action steps
- Track blood pressure and heart rate; bring logs to visits
Activity & vaccines
- Walk most days at an easy pace; cardiac rehab if offered
- Stay current with recommended vaccines
Devices & procedures
- ICD (defibrillator) for selected HFrEF to prevent dangerous rhythms
- CRT (biventricular pacing) for specific conduction patterns with HFrEF
- Valve repair/replacement when valve disease is a major cause
Rhythm care
Manage AFib (rate/rhythm control, anticoagulation if indicated) to reduce symptoms and risks.
Flare prevention & travel
At home
- Keep a low-salt grocery list and simple meals
- Set reminders for medicines and refills
- Have a written action plan for weight gain or swelling
On the road
- Carry a medicine list and an extra day or two of pills
- Choose low-salt options; watch fluids if restricted
- Walk the aisle or stretch on long trips; elevate legs when resting
When to call your clinician
- Weight up by 1–2 kg (2–4 lb) in a few days or swelling increases
- More shortness of breath, new cough at night, or less activity tolerance
- Dizziness, very low BP, or side effects from medicines
- Any red flags from above
Questions to ask
- Is my CHF HFrEF or HFpEF, and what’s the likely cause?
- Which medicines should I be on now, and how will we build the plan?
- What is my daily sodium and (if needed) fluid target?
- What’s my action plan for sudden weight gain or swelling?
- Do I qualify for cardiac rehab, ICD, or CRT?
- How do my kidney function and blood pressure affect the plan?
Quick answers
Can CHF get better?
Many people improve with guideline-based medicines, low-salt habits, and activity. Some causes are reversible or modifiable.
Why weigh daily?
Rapid weight gain often means fluid build-up. Early action can prevent hospital visits.
Do I need to stop drinking water?
Not unless you’re on a fluid restriction. Most plans focus on sodium limits; follow your personalized advice.
Is exercise safe?
Yes—gentle, regular activity is encouraged. Cardiac rehab is ideal when available.
The Complete Senior Health Vault
19 premium guides. Every protocol. Every tracking sheet. $47 (save 75%)
Get the Bundle →