What Is Systolic Heart Failure?
Heart failure is a common condition with no known cure. However, proper treatment can control the disease progression and thus improve a patient’s quality of life and longevity. To decide the proper course of treatment, a doctor must first determine the type of heart failure a patient has developed.
Depending on the part of the heart’s pumping cycle that’s been affected, heart failure can be of two types – diastolic and systolic. You can learn more about the symptoms, causes, treatment of diastolic dysfunction and differentiation from systolic dysfunction in our previous article.
In this blog, we’ll delve deeper into systolic heart failure and understand its causes and symptoms.
Systolic Heart Failure: A Closer Look
Systolic heart failure occurs due to a problem in the heart’s contraction (or systolic) phase. It’s characterized by stretching and weakening of the left ventricular muscle, due to which the heart pumps out less oxygenated blood to the body.
It’s also known as heart failure with reduced ejection infraction. As the condition worsens, it can also weaken the right ventricle and take a toll on its pumping power too.
Related: What Are the Symptoms of Diastolic Dysfunction?
Causes of Systolic Heart Failure
Systolic heart failure is caused by underlying medical conditions that damage the left ventricle. The most common causes include :
- Hypertension (the left ventricle has to use increased pressure to pump blood through the body)
- Coronary artery disease (buildup of cholesterol in the arteries) – with or without a heart attack.
- Dilated cardiomyopathy (weakening of the left ventricle due to an infection or long-term exposure to alcohol and narcotics)
- Abnormal heart rhythm (also known as atrial fibrillation)
- Previous heart attack
Additionally, people who are older or have diabetes are at a higher risk of developing systolic heart failure.
Related: Understanding Congestive Heart Failure Symptoms
Symptoms of Systolic Heart Failure
In systolic heart failure, an adequate amount of oxygen-rich blood doesn’t reach all organs. The most common indicator of the condition is a lower ejection fraction.
It can result in the following symptoms:
- Breathlessness – initially on exertion and in later stages even at rest or lying down.
- Swelling of feet, face, abdomen – due to fluid accumulation in various organs
- Engorged and pulsatile neck veins
- Confusion (due to a lack of oxygen supply in the brain)
- Weight gain (due to a buildup of excess fluid in the body)
- Fatigue (due to reduced blood supply to the muscles)
- Pale or bluish skin tone (due to restricted blood supply to the skin and other vital organs).
Diagnosis and Treatment Options
Typically, a doctor prescribes various tests, such as chest X-ray, ECG, and echocardiography, to diagnose systolic heart failure and its root cause. The treatment plan depends on the underlying cause.
In most cases, systolic heart failure is treated using one or more of the following medications:
- Diuretics or water pills
- ACE inhibitors
Additionally, doctors recommend a healthy diet and lifestyle changes to improve cardiac health and manage underlying conditions, such as hypertension and diabetes.
Related: Diagnosing Congestive Heart Failure
If left untreated, systolic heart failure can damage vital organs and even lead to death. It’s crucial that patients watch out for symptoms like swollen feet, mental confusion, and bluish skin color and seek medical treatment at the earliest.
Dr. C Raghu is an experienced cardiologist who specializes in interventional cardiology and TAVR. If you or anyone you know is experiencing symptoms of systolic heart failure, connect with Dr. Raghu for proper diagnosis and treatment.
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