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Understanding Heart Failure: Symptoms, Causes, and Treatment Options

Alan Lucks | MD

Medically reviewed by Alan Lucks | MD, Alan Lucks MDPC Private Practice - New York on December 7th, 2023.

Key Takeaways

  • This condition occurs when the heart's pumping fraction drops below 40% (reduced ejection fraction) or when the heart muscle becomes too stiff to fill properly between beats.

  • Classic warning signs include waking up gasping for air, gaining 2-3 pounds in a day from fluid retention, and needing multiple pillows to sleep comfortably.

  • Coronary artery disease causes roughly 70% of cases, while uncontrolled high blood pressure over years weakens the heart muscle and doubles your risk.

  • ACE inhibitors like lisinopril (starting at 2.5-5mg daily) combined with beta-blockers can improve survival by 35% when taken consistently.

  • Restricting sodium to under 2,000mg daily and walking 30 minutes most days can reduce hospitalizations by up to 40% within six months.

Heart failure is a condition where your heart can't pump enough blood to meet your body's needs. It doesn't mean that your heart has stopped working, but rather that it isn't working as efficiently as it should. Heart failure affects nearly 7 million Americans, and about 1 in 4 people will be diagnosed with it in their lifetime.

Symptoms of Heart Failure

The symptoms of heart failure can vary from person to person and may be mild or severe. Some common symptoms include:

  • Tiredness or fatigue

  • Shortness of breath

  • Cough or wheezing

  • Swelling in the ankles, legs, or belly

  • Difficulty doing daily activities

Other symptoms may include a raised need to urinate at night, appetite loss, dizziness, weakness, and chest pain.

Causes of Heart Failure

Heart failure can be caused by many different conditions that damage the heart muscle, including:

  • Coronary artery disease (CAD)

  • Heart attack

  • Cardiomyopathy

  • High blood pressure

  • Heart valve disease

  • Thyroid disease

  • Kidney disease

  • Diabetes

Sometimes, more than one condition can combine to cause heart failure.

Understanding Heart Failure: Symptoms, Causes, and Treatment Options

Diagnosing Heart Failure

If you have symptoms of heart failure, your doctor will ask about your medical history and do a physical exam. They may also order tests such as:

  • Blood tests

  • B-type natriuretic peptide (BNP) blood test

  • Chest X-ray

  • Echocardiogram

  • EKG or ECG

  • Cardiac catheterization

  • Stress test

These tests can help your doctor determine the cause and severity of your heart failure.

Treating Heart Failure

Treatment for heart failure depends on the cause and severity of your condition. Your doctor may recommend lifestyle changes such as:

  • Losing weight

  • Exercising regularly

  • Eating a healthy, low-sodium diet

  • Quitting smoking

  • Managing stress

  • Getting enough sleep

Your doctor may also prescribe medications to help manage your heart failure, such as:

  • ACE inhibitors and angiotensin receptor blockers

  • Beta blockers

  • Angiotensin receptor-neprilysin inhibitors

  • Digoxin

  • Diuretics and aldosterone antagonists

In some cases, surgery or other procedures may be needed to treat heart failure. These may include:

  • Coronary bypass surgery

  • Heart valve repair or replacement

  • Implantable cardioverter defibrillator

  • Cardiac resynchronization therapy

  • Ventricular assist device

  • Heart transplant

Living with Heart Failure

If you have heart failure, there are many things you can do to manage your condition and improve your quality of life. These include:

  • Taking your medications as prescribed

  • Monitoring your symptoms and reporting any changes to your doctor

  • Keeping a balance of fluids and limiting salt intake

  • Exercising regularly as recommended by your doctor

  • Attending regular doctor appointments and cardiac rehabilitation if recommended

It's also important to avoid medications that can worsen heart failure, such as NSAIDs and some cough and cold medicines. Always check with your doctor before starting any new medication.

With the right treatment and lifestyle changes, many people with heart failure are able to manage their condition and enjoy a good quality of life. If you have any questions or concerns about heart failure, don't hesitate to talk to your doctor.

Additional Resources

For more information about heart failure, check out these reputable sources:

The Bottom Line

Early detection and aggressive treatment can significantly slow progression and prevent the need for advanced interventions like pacemakers or transplants. The key is starting medications at the right doses and making dietary changes before symptoms worsen. If you're experiencing unexplained shortness of breath or sudden weight gain, Doctronic can help you understand what's happening and guide your next steps.

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