Heart failure is one of those medical terms that can sound more frightening than it needs to. It doesn’t mean your heart has stopped working — it means your heart isn’t pumping blood as efficiently as it should. It’s a common condition, particularly after 50, and with the right care and self-management, many people live well with it for years.
In Ireland, an estimated 90,000 people are living with heart failure, and that number is expected to rise as our population ages. The good news is that Ireland has invested significantly in specialist heart failure services, and understanding your condition is the first and most powerful step you can take.
TL;DR
- Heart failure means the heart pumps less efficiently — it does not mean the heart has stopped; many people live well with it for years
- Common symptoms include breathlessness, ankle swelling, persistent fatigue, and waking at night short of breath
- Key risk factors include high blood pressure, coronary artery disease, diabetes, and obesity — all manageable with the right support
- Ireland’s HSE Heart Failure Programme provides specialist nurses, structured care, and cardiac rehabilitation across all regions
- Daily self-management — weighing yourself, monitoring fluid intake, taking medications consistently — makes a significant difference to outcomes
What Exactly Is Heart Failure?
Your heart is a muscular pump that circulates blood around your body. In heart failure, the heart muscle has become weakened or stiffened, so it can’t pump blood as effectively. This can lead to fluid building up in the lungs, legs, or abdomen, and organs not receiving enough oxygen-rich blood.
There are two main types. Heart failure with reduced ejection fraction (HFrEF) means the heart muscle has weakened and doesn’t squeeze strongly enough. Heart failure with preserved ejection fraction (HFpEF) means the heart muscle has become stiff and doesn’t relax properly between beats. Your cardiologist will determine which type you have through an echocardiogram — an ultrasound scan of your heart.
Both types are serious, but both respond well to treatment and lifestyle changes.
Recognising the Signs
Heart failure often develops gradually, which means early symptoms can be easy to dismiss as “just getting older.” But recognising them early makes a real difference.
Watch for:
- Breathlessness — particularly during activities that didn’t used to cause it, or when lying flat
- Ankle and leg swelling — caused by fluid retention
- Persistent fatigue — feeling unusually tired even after rest
- Waking at night gasping for breath (paroxysmal nocturnal dyspnoea)
- A persistent cough — sometimes with frothy or pink-tinged sputum
- Rapid or irregular heartbeat
- Reduced appetite or nausea
- Sudden unexplained weight gain — a sign of fluid build-up
If you notice any combination of these symptoms, speak with your GP. Early diagnosis leads to better outcomes.
What Causes Heart Failure?
Heart failure doesn’t usually appear out of nowhere. It typically develops as a result of other conditions that damage or overwork the heart over time. The most common causes in Ireland include:
- High blood pressure (hypertension) — the single most common cause. Years of elevated blood pressure forces the heart to work harder, eventually weakening it.
- Coronary artery disease — narrowed arteries reduce blood flow to the heart muscle, particularly after a heart attack.
- Diabetes — increases the risk significantly, even when blood sugar is well managed.
- Atrial fibrillation (AF) — an irregular heart rhythm that can weaken the heart over time.
- Valve disease — faulty heart valves force the heart to work harder.
- Excessive alcohol use — long-term heavy drinking can directly damage the heart muscle (alcoholic cardiomyopathy).
Data from the Irish Longitudinal Study on Ageing (TILDA) shows that hypertension prevalence increases markedly with age in Ireland, affecting over 60% of adults aged 50 and older — many of whom are undiagnosed. This underscores the importance of regular blood pressure checks with your GP.
Diagnosis: What to Expect
If your GP suspects heart failure, they’ll typically start with a BNP or NT-proBNP blood test. BNP (B-type natriuretic peptide) is a hormone released by the heart when it’s under strain. An elevated level strongly suggests heart failure and will prompt referral for further investigation.
The key diagnostic test is an echocardiogram — a painless ultrasound that shows how well your heart is pumping and whether any structural problems exist. You may also have an ECG (electrocardiogram), chest X-ray, and additional blood tests.
Under the HSE’s Chronic Disease Management (CDM) Programme, your GP can manage much of your ongoing heart failure care, with structured reviews covered under your medical card or GP visit card if you’re eligible.
Treatment: What Works
Heart failure treatment has improved enormously. Modern medications can significantly improve symptoms, quality of life, and life expectancy. Your treatment plan will likely include some combination of:
- ACE inhibitors or ARBs — reduce the workload on your heart
- Beta-blockers — slow the heart rate and reduce strain
- Diuretics — help remove excess fluid (you may know these as “water tablets”)
- Mineralocorticoid receptor antagonists (MRAs) — such as spironolactone, which reduce fluid and protect the heart
- SGLT2 inhibitors — a newer class originally developed for diabetes, now shown to benefit heart failure patients regardless of diabetes status
In some cases, your cardiologist may recommend devices such as a pacemaker or implantable cardioverter defibrillator (ICD), or in more advanced cases, discuss surgical options.
The most important thing about medication is taking it consistently. Don’t stop or adjust doses without speaking to your doctor, even if you feel better.
Living Well: Daily Self-Management
People who actively manage their heart failure day to day tend to have fewer hospital admissions and better quality of life. Here are the key daily habits:
Weigh Yourself Every Morning
Sudden weight gain — more than 2kg over two to three days — often signals fluid retention and should prompt a call to your heart failure nurse or GP. Weigh yourself at the same time each morning, after using the toilet, before eating.
Monitor Your Fluid Intake
Your medical team may advise limiting fluids to around 1.5 to 2 litres per day. This includes tea, coffee, soup, and water. A simple tip: fill a jug each morning with your daily allowance so you can see how much you’ve had.
Reduce Salt
Excess salt causes the body to retain water, worsening symptoms. Aim for less than 5g of salt per day. Avoid adding salt at the table, and be mindful of processed foods, which are often high in hidden salt.
Stay Active
It might seem counterintuitive, but gentle, regular exercise is one of the best things you can do. Walking, light cycling, or swimming — whatever you enjoy and can sustain — helps the heart work more efficiently. Your heart failure team can advise on what’s safe for you.
Take Your Medications
Set a daily routine — perhaps linking medication times to meals. If you take multiple medicines, ask your pharmacist about a dosette box to keep things organised.
Irish Supports and Services
Ireland has a well-developed network of heart failure services, and knowing what’s available can make a significant difference.
HSE Heart Failure Programme
The HSE runs a national Heart Failure Clinical Programme with dedicated heart failure specialist nurses in hospitals and community settings across Ireland. These nurses provide ongoing monitoring, medication titration, education, and a direct line of contact when symptoms change. If you’ve been diagnosed, ask your hospital team about connecting with your local heart failure nurse.
Cardiac Rehabilitation
Cardiac rehab programmes — available in most Irish hospitals — combine supervised exercise with education on managing your condition. They’re free, effective, and a proven way to improve fitness, confidence, and outcomes. Your cardiologist or GP can refer you.
Croí — the Heart and Stroke Charity
Based in Galway, Croí is Ireland’s leading heart and stroke charity, offering support groups, educational resources, health screenings, and cardiac rehabilitation. Their helpline and online resources are invaluable for people newly diagnosed with heart failure.
Irish Heart Foundation
The Irish Heart Foundation provides a nurse support line (Freephone 1800 25 25 50), patient information booklets, and local support groups. Their heart failure resources are practical and clearly written.
Community Pharmacists
Your local pharmacist can help with medication reviews, dosette boxes, blood pressure monitoring, and answering day-to-day questions about your medicines. Don’t underestimate this accessible, free resource on your high street.
When to Seek Urgent Help
Most of the time, heart failure is managed steadily day to day. But some signs need urgent attention. Contact your heart failure nurse, GP, or go to your emergency department if you experience:
- Sudden, severe breathlessness
- Chest pain or tightness
- Rapid weight gain (more than 2kg in two to three days) that doesn’t respond to your usual plan
- Fainting or near-fainting
- A new or worsening irregular heartbeat
- Coughing up pink or frothy sputum
Having a plan in place — knowing who to call and when — gives you and your family confidence and prevents unnecessary escalation.
A Condition, Not a Sentence
Heart failure is a serious diagnosis, but it is not a death sentence. With modern treatments, specialist support from the HSE Heart Failure Programme, and consistent self-management, many people continue to live active, fulfilling lives.
If you or someone you care about has been diagnosed, take it one step at a time. Learn about the condition, connect with your heart failure nurse, attend cardiac rehab, and don’t be afraid to ask questions. Knowledge is your most powerful medicine.
At Críonna Health, we believe that understanding your health empowers you to live well at every stage. For more practical guides on managing health after 50 in Ireland, explore our other articles on healthy ageing, Irish resources, and wellbeing.
📷 Photo by Richard Sagredo (@sagredophotography) on Unsplash


