Have you ever wondered why heart failure claims so many lives? In a busy world where heart health is not even on the priority list, it’s time to ask:
What if your route to NOT being part of this one in three statistic is understanding the most common heart conditions, and taking simple, everyday actions, to protect yourself?
What are the primary causes of heart failure, and how can you remove or minimise them?
If you are already dealing with a heart condition, what practical steps do the cardiac experts recommend you take to keep your ticker going strong?
Heart failure doesn’t strike out of nowhere; it’s often the end result of underlying conditions that weaken or damage the heart over time. Drawing from the most reliable health sources we’ll explore the 10 most common heart conditions that contribute to heart failure, ranked from most to least prevalent based on global and data.
For each heart condition, let’s outline the causes, available treatments, ways to avoid developing it, and the simple, empowering, easy to implement strategies to manage and ameliorate it if you are affected.
Coronary artery disease (CAD)
As the leading cause of heart failure, CAD affects millions of people worldwide. In first world countries around 5% of adults over 20 years old are impacted. CAD is diagnosed when arteries supplying the heart have narrowed as a result of plaque buildup. The plaque reduces blood flow which can, in turn, lead to heart attacks that scar and weaken the heart muscle.
- What are the common causes? Atherosclerosis from high cholesterol, smoking, diabetes, hypertension, a poor diet, and an inactive lifestyle.
- What treatments are available? Medications like statins, aspirin, or beta-blockers; procedures such as angioplasty or bypass surgery; in severe cases, implantable devices such as pacemakers are used.
- What preventive steps can you take? Adopt a heart-healthy diet which is rich in fruits, vegetables, and whole grains; exercise for 150 minutes weekly; stop smoking; reduce or stop drinking alcohol, monitor blood pressure and cholesterol annually.
- How to ameliorate if you have it. Consult your physician and follow medication prescriptions diligently. Take daily walks. Reduce, minimise or manage your stress levels. Join cardiac rehabilitation programmes and follow guided exercises and apply the techniques taught.
Hypertension (high blood pressure)
Hypertension is also known as the “silent killer.” Nearly half the population of all adults in developed countries have hypertension. High blood pressure strains the heart in multiple ways, leading to thickening and eventual failure. High blood pressure directly contributes to heart failure, heart attacks, and sudden cardiac death, affecting over 1.4 billion people.
- What are the common causes? An unhealthy diet, a diet high in salt, lack of exercise, obesity, stress, genetics, alcohol, drugs, and ageing.
- What treatments are available? Lifestyle changes are the most effective. Medication such as ACE inhibitors, (angiotensin-converting enzyme inhibitors) help by relaxing and widening blood vessels, easing blood flow rather than by removing the cause of the high blood pressure. Diuretics, or calcium channel blockers help. All treatments are aided by regular monitoring.
- What Preventive steps can you take? Limit salt to under 5g daily. Maintain a healthy weight. Practice relaxation techniques such as deep breathing. Take regular check-ups.
- How to ameliorate if you have it. Track blood pressure at home daily. Eat DASH (Dietary Approaches to Stop Hypertension) diet foods (potassium-rich bananas, spinach). Reduce or eliminate alcohol. Take 7–9 hours of sleep nightly to ease the demands on your heart.
Heart valve disease
Valves that do not open or close properly force the heart to work harder to deliver the necessary blood. Over time leaky valves progress to heart failure. The incidence of heart valve disease increases with age, and impacts about 2.5% of the population.
- What are the common causes? Age-related degeneration, rheumatic fever, infections like endocarditis, congenital defects, or heart attacks. Prolonged high blood pressure is a major cause of heart valve disease. Hypertension forces the heart to work harder, which thickens and stiffens the valves, (particularly the mitral and aortic valves), leading to conditions like mitral regurgitation and aortic stenosis.
- What treatments are available? Medications can help with the symptoms. Ultimately valve repair or replacement surgery (mechanical or biological) is necessary. TAVR (transcatheter aortic valve replacement) is a minimally invasive procedure used to treat aortic valve stenosis by replacing a dysfunctional aortic valve with a new one without opening the chest.
- What preventive steps can you take? Prevent infections with good dental hygiene, manage cholesterol, avoid IV drug use, get vaccinated against flu and pneumonia.
- How to ameliorate if you have it. Follow a low-sodium diet, engage in light aerobic exercise, have regular echocardiograms, and engage in low impact exercise such as yoga for gentle heart strengthening.
Cardiomyopathy
Cardiomyopathy describes the condition where the heart muscle has become abnormally thick, enlarged, dilated, or rigid, sometimes with healthy tissue replaced by scar tissue. Cardiomyopathy makes the heart’s pumping inefficient. It affects about 1 in 500 adults. Dilated cardiomyopathy (DCM) involves an enlarged, weakened heart chamber that cannot pump blood effectively, often leading to systolic failure. Conversely, hypertrophic cardiomyopathy, (HCM) is characterised by abnormally thick, stiff heart muscle walls that limit filling, causing diastolic dysfunction.
- What are the common causes? Genetics, viral infections, alcohol abuse, drug abuse, chemotherapy, and unknown factors (idiopathic).
- What treatments are available? Medications such as beta-blockers or ACE inhibitors, implantable defibrillators, and in severe cases, heart transplant.
- What preventive steps can you take? Limit alcohol to moderate levels, avoid recreational drugs, get prompt treatment for viral illnesses. Know your family history to assess risks.
- How to ameliorate if you have it. Adopt a balanced diet. Avoid processed foods. Participate in supervised cardiac exercise. Manage fluid intake. Use apps for medication reminders.
Arrhythmias (such as atrial fibrillation)
Irregular heartbeats such as atrial fibrillation, also known as AF, or AFib, affects 2–3% of adults. AF can cause blood clots and weaken the heart over time. It is also known to cause cognitive impairment short, medium and long-term. During episodes patients report “mental fog,” which can put their safety at risk.
- What are the common causes? High blood pressure, CAD, thyroid issues, excessive caffeine, alcohol, or drugs, sleep apnoea.
- What treatments are available? Antiarrhythmic drugs, blood thinners, cardioversion, ablation procedures and pacemakers.
- What preventive steps can you take? Maintain a healthy weight. Limit caffeine and alcohol. Avoid drugs. Treat sleep apnoea. Exercise regularly.
- How to ameliorate if you have it. Monitor heart rate with wearable devices. Practice stress reduction techniques such as meditation. Follow anticoagulation therapy. Avoid known triggers such as stress or heavy meals.
Rheumatic heart disease
Rheumatic heart disease is more common in developing countries. It damages valves from untreated strep throat, leading to failure. Global prevalence is greatest in low-income areas, impacting 40 million people.
- What are the common causes? Rheumatic fever following group A streptococcal infection, often in childhood. When strep throat is not properly treated with antibiotics, the body’s immune system, while attacking the bacteria, mistakenly attacks its own tissues. most notably the heart valves.
- What treatments are available? Antibiotics for prevention. Valve surgery. Anti-inflammatory medications.
- What preventive steps can you take? Treat sore throats promptly with antibiotics. Take strong hygiene measures in communities. At time of writing there is no vaccination available, yet.
- How to ameliorate if you have it. Adhere to long-term penicillin prophylaxis. Monitor using echocardiograms. Keep the best oral health possible. Engage in low-impact activities.
Congenital heart disease
Congenital Heart Diseases are birth defects affecting heart structure. They are present in about 1% of newly born babies, can lead to adult-onset heart failure if they are not addressed. The two most common congenital heart diseases are:
Ventricular septal defect (VSD). A hole in the wall (septum) separating the two lower chambers (ventricles) of the heart.
Atrial septal defect (ASD). A hole in the wall separating the two upper chambers (atria).
- What are the common causes? Genetic factors, maternal infections, medications, or environmental exposures during pregnancy.
- What treatments are available? Surgery or catheter procedures. Medications. Lifelong monitoring. Each of which is dependent on the specific congenital condition.
- What preventive steps can you take? Preventative steps that prospective parents can take include: prenatal care, folic acid supplements, avoiding smoking/alcohol/drugs, excessive stress during conception and pregnancy.
- How to ameliorate if you have it. Regular cardiology visits. Adopt and live a heart-healthy lifestyle. Become part of support groups for emotional health. Safe exercise routines under medical guidance.
Myocarditis
Myocarditis is inflammation of the heart muscle. It is often virally caused and can severely weaken the heart and cause failure.
- What are the common causes? Viral infections (for example, covid and enteroviruses), autoimmune diseases, toxins, both natural and man-made.
- What treatments are available? Rest, anti-inflammatory drugs, and in severe cases, intravenously administered medications or mechanical support.
- What preventive steps can you take? Vaccinate against preventable viruses. Practice hand hygiene. Avoid close contact with others when either you or they are ill.
- How to ameliorate if you have it. Allow full recovery with bed rest. Take a gradual return to activity. Adopt an immune-boosting diet. Obtain follow-up imaging to monitor progress.
Endocarditis
Endocarditis is infection of the heart’s inner lining, which damages heart valves and potentially leads to heart failure.
- What are the common causes? Bacteria entering via bloodstream from dental or medical procedures, intravenous drugs, or skin infections, and even domestic or work accidents which cut the skin can enable bacteria, such as Staphylococcus aureus (which lives on the skin), to enter the blood stream and damage the heart.
- What treatments are available? Intravenous antibiotics, and surgery if valves are destroyed by the endocarditis.
- What preventive steps can you take? Antibiotic prophylaxis before dental work if at risk; good hygiene; avoid piercings/tattoos in unsanitary conditions.
- How to ameliorate if you have it. Complete the course of antibiotics which will almost certainly be prescribed. Monitor for complications. Take heart-strengthening nutrition. Avoid strenuous activity during your recovery.
Pericarditis
Pericarditis is inflammation of the heart’s sac, the double walled pericardium, which protects the heart and minimises friction from pumping. Pericarditis can constrict the heart and impair its function. Pericarditis is less common as a cause of heart failure.
- What are the common causes? Viral infections, autoimmune conditions, chest trauma, or post-heart attack.
- What treatments are available? Anti-inflammatory medications such as colchicine and pericardiocentesis, (the removal of fluid if it builds up).
- What preventive steps can you take? Manage underlying conditions; protect against chest injuries; timely infection treatment.
- How to ameliorate if you have it. Rest and pain management. Embrace an anti-inflammatory diet (for example taking turmeric and or omega-3s). Engage in gradual rehabilitation. Practise stress management techniques.
How can you reduce your chances of heart failure?
If your heart is currently healthy, by taking the appropriate preventative steps, listed above. By minimising the potential causes of heart disease. If you are living a heart condition, cardiac experts encourage consistency with the 3 Ms: medications, monitoring, and moderation.
Protecting and preserving our hearts is a compounding process. Small, positive, changes, which are repeated over and over again, compound to great effect. By the action you choose to take you can change your odds of developing heart disease. You can re-write your heart’s story one beat at time.
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This article is for information only. Consult your physician for personalised cardiac advice.
Professor Nigel MacLennan runs the performance coaching practice PsyPerform.