Does a heart failure diagnosis mean my heart will stop beating?

No, a diagnosis of heart failure never means that your heart will stop beating or that you are about to have a heart attack. This is a common misconception, but the medical reality is that heart failure refers to a chronic condition in which the heart is unable to pump enough oxygen-rich blood to meet the needs of the body's various organs optimally [1]. The heart continues to beat, but its circulatory efficiency is diminished.

Understanding How the Heart Works in Heart Failure

Heart failure occurs when the heart cannot function as an effective pump. This dysfunction can affect the right side, where the heart becomes too weak to push blood to the lungs to gain oxygen, or the left side—which is more common—where the heart cannot pump oxygen-rich blood to the rest of the body. In many cases, the left side has become thick or stiff to the point that it cannot relax and fill with blood adequately before pumping [1]. This decline usually does not happen suddenly; rather, it develops slowly over time as a result of chronic medical conditions such as high blood pressure, coronary artery disease, or weakening of the heart muscle.

Warning Signs to Monitor

Symptoms arise primarily due to slowed blood flow and fluid buildup in the tissues, known as edema. It is essential that you monitor these signs regularly:

• Noticeable shortness of breath during light physical exertion, such as climbing stairs.
• Unexplained fatigue and exhaustion even after getting enough rest.
• Swelling and fluid buildup in the ankles, legs, or abdomen, which may cause sudden weight gain.
• Difficulty breathing or sleeping when lying flat.
• Persistent cough or increased need to urinate.

In rare cases, home pulse oximetry may be recommended to monitor oxygen levels, especially for lung patients who also have heart disease. However, you should know that these devices are not a substitute for a medical examination; they can be affected by factors such as skin tone or cold extremities, which may result in inaccurate readings [2].

Managing the Condition and Improving Quality of Life

Although there is no cure that completely eliminates heart failure, medical advances allow patients to live with the condition effectively and increase their life expectancy. Successful management involves strict adherence to the treatment plan determined by your doctor, which often includes:

• Taking prescribed medications regularly to control heart function and blood pressure.
• Adopting a low-sodium diet to manage fluid buildup.
• Moderate physical activity as recommended by a doctor.
• Quitting smoking and managing stress effectively.

For more detailed information on this topic, you can read Heart Failure: Symptoms, Diagnosis, and Management to Improve Quality of Life (Arabic). Always remember that any sudden worsening of shortness of breath or chest pain requires immediate emergency care, as the condition can deteriorate suddenly, sometimes requiring advanced interventions such as pacemakers or ventricular assist devices [1].

Medical references

• Heart Failure
• Getting an accurate read on pulse oximeters