Exercise is recommended for stable heart failure. Learn what the evidence shows, how to use RPE and the talk test, and the warning signs that mean stop.
If your heart failure is stable and your doctor agrees, exercise is a recommended part of treatment. The Cochrane review of exercise-based cardiac rehabilitation in heart failure covers 44 trials and 5,783 people and found better quality of life and likely fewer heart failure admissions. Keep effort light to moderate, use the talk test, and learn the warning signs before your first session.
Is exercise really safe with heart failure?
Many people were once told to rest with a weak heart. That advice has changed. Heart failure does not mean the heart has stopped. It means the heart pumps less effectively, and inactivity then weakens the muscles and circulation, which worsens breathlessness and fatigue.
The 2019 Cochrane review by Long and colleagues looked at 44 trials involving 5,783 adults, mostly with reduced ejection fraction, and followed them for about 6 months or more. Compared with no exercise, exercise-based rehabilitation likely reduced hospital admission for heart failure and improved health-related quality of life. Benefits looked similar for centre-based and home-based programmes. Longer-term effects on death were less certain.
The Malaysian CPG on heart failure, from the Ministry of Health and the National Heart Association of Malaysia, includes regular exercise and lifestyle measures as part of non-drug management. In practice, exercise is part of the plan and should begin after assessment.
Who needs a doctor’s go-ahead first?
Everyone with heart failure should have medical clearance before starting. This matters most if:
- you were admitted or had medication changes in the past few weeks
- your breathlessness or swelling is worsening
- you have an implanted defibrillator (ICD) or pacemaker
- you have severe valve disease, uncontrolled blood pressure or an irregular rhythm
- you have unexplained dizziness or have fainted
Ask whether you can join a cardiac rehabilitation programme (see cardiac rehab and rebuilding fitness, and when to get medical clearance before exercise). Also ask for a target effort level and, if you have an ICD, its settings.
How do I judge effort: RPE and the talk test
Heart rate is a poor guide in heart failure, because beta blockers, other drugs and atrial fibrillation all change it. Use perceived exertion instead.
| Borg RPE (6 to 20) | Feels like | Talk test |
|---|---|---|
| 9 to 10 | Very light | Can sing |
| 11 to 12 | Fairly light | Can chat easily |
| 13 | Somewhat hard | Can talk in short sentences |
| 15 or more | Hard | Few words only; avoid |
Stay between 11 and 13 unless your cardiac team gives a different target. If you cannot talk, slow down. See also the heart rate zones tool and, for the underlying idea, how to find your Zone 2, but keep to your doctor’s limits rather than a generic zone.
What does a starter plan look like?
For adults 40 and over with stable, cleared heart failure:
- Warm-up, 5 to 10 minutes: slow walking, arm circles, gentle marching.
- Aerobic, 10 to 20 minutes: flat walking or stationary cycling at RPE 11 to 13. Build to 30 minutes, 3 to 5 days a week. Split into two 10-minute blocks if you tire.
- Resistance, 2 days a week: 1 set of 10 to 15 repetitions of sit-to-stand, wall push-ups, band rows and heel raises. Increase to 2 sets after 3 to 4 weeks. See how to do a wall push-up and how to do a resistance band row.
- Balance: 5 minutes next to a counter.
- Cool-down, 5 minutes: slow walking, then sit and breathe slowly. See cool-down for older adults.
Easier: seated marching and seated band work in 5-minute blocks, with rests.
Harder: after several stable weeks, add minutes before adding intensity, and ask your team before using intervals. High-intensity interval training is studied in heart failure, but it should be supervised and not started on your own. See is HIIT safe for beginners and older adults.
Breathe out on effort and avoid holding your breath. Do not strain.
How do heat, salt and fluid affect exercise in Malaysia?
- Heat and humidity: exercise early morning, in the evening, or in an air-conditioned mall. Heat raises heart rate and drains fluid. See exercising in Malaysia’s heat and humidity.
- Haze: on hazy days stay indoors. See should you exercise during the haze.
- Salt: local food is often salty. Instant noodles, soy sauce, belacan, curry mee, salted fish and sambal add sodium that can cause fluid retention and breathlessness. Ask your dietitian for practical swaps.
- Fluid: some patients have a fluid limit. Follow it and do not drink freely because you are sweating.
- Diuretics: water tablets plus heat can lower blood pressure. Stand up slowly.
What daily checks should I do?
Weigh yourself each morning after the toilet, before eating, in similar clothes. A fast rise, such as more than 1 to 1.5 kg in a day or about 2 kg in a week, can mean fluid retention. Your doctor or heart failure nurse will give your own threshold. Check ankle swelling and any new breathlessness lying flat. Measure your blood pressure at rest when advised, using the home blood pressure guide.
When must I stop and seek help?
Stop exercise and contact your doctor, or call 999 if severe, for:
- chest pain, pressure or tightness
- breathlessness that is out of proportion or does not settle within a few minutes of rest
- dizziness, faintness or palpitations
- a shock from an ICD
- sudden weight gain or increased swelling
- unusual fatigue lasting into the next day
Related reading: exercise and heart disease, exercise to prevent stroke and the exercise for chronic conditions hub. Your rehabilitation team, a physiotherapist or an exercise physiologist can supervise the early weeks. See what is a clinical exercise physiologist.
How do I progress safely over 12 weeks?
Heart failure responds to patience. The pattern below is a sensible default, but your own team may change it.
| Weeks | Aerobic | Resistance | Notes |
|---|---|---|---|
| 1 to 2 | 10 minutes, 3 days | None or seated only | Learn RPE and the daily weight check |
| 3 to 4 | 15 to 20 minutes, 3 to 4 days | 1 set of 10 to 12, 2 days | Add one block of balance |
| 5 to 8 | 20 to 30 minutes, 4 days | 2 sets of 10 to 12, 2 days | Raise time before effort |
| 9 to 12 | 30 minutes, 4 to 5 days | 2 sets, small load increase | Review with your doctor |
If you miss more than a week because of illness or admission, restart at the previous level, not where you stopped. Read how to restart exercise after a break. On days with more swelling, breathlessness or fatigue than usual, rest and tell your care team.
Family members often worry. Explain the RPE target and warning signs to them, and invite them to walk with you. Our ageing parents hub and caregivers guide help families who support a relative with a heart condition.
Key takeaways
- Exercise is a recommended part of care for stable heart failure, supported by a Cochrane review of 44 trials.
- Get medical clearance first, and ask about a cardiac rehabilitation programme.
- Use RPE 11 to 13 and the talk test rather than heart rate.
- Combine light aerobic work, gentle resistance and balance training, and build slowly.
- Learn your warning signs and daily weight check, and take extra care with heat, salt and fluid.