Diastolic heart failure | Dr Raghu

A heart attack is a life-threatening condition that requires emergency medical interventions, such as angioplasty in the heart.
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Heart failure is a condition in which the heart can’t pump enough blood to meet the body’s needs. It’s a serious condition that requires treatment by your doctor, but there are several options available.


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In our previous blogs, we’ve explored the causes, symptoms, and treatment options of heart failure. Also, we’ve outlined different types of heart failure in detail. You can click here to check out our previous blogs.

In this article, we’ll discuss left ventricular ejection fraction, one of the most common parameters doctors use to diagnose heart failure. Let’s dive right in.

left ventricular ejection fraction

What Is Ejection Fraction?

Simply put, ejection fraction is a measure of the amount of blood pumped out from the heart’s lower chambers (ventricles). Ejection fraction can be of two types:

  • Left ventricular ejection fraction
  • Right ventricular ejection fraction

Right ventricular ejection fraction is the percentage of deoxygenated blood the right ventricle pushes into the lungs. On the other hand, left ventricular ejection fraction (LVEF) is the percentage of oxygen-rich blood pumped out from the left ventricle into the arteries that carry blood to vital organs, muscles, and tissues.

Typically, doctors use the term “ejection fraction” when they refer to LVEF. If your heart is healthy and well functioning, the ejection fraction will range between 55% to 66%. An ejection fraction lower than 50% is a sign of systolic heart failure (or heart failure with reduced ejection fraction).

However, it’s possible for you to develop heart failure with an ejection fraction above 50%. In such cases, there’s a problem with the relaxed (or diastolic) phase of the heart’s pumping cycle. The condition is known as diastolic heart failure (or heart failure with preserved ejection fraction).

It’s worth noting that an abnormally high ejection fraction (above 70%) could be an indication of a heart condition like hypertrophic cardiomyopathy.

Symptoms of Low Ejection Fraction

As mentioned earlier, a low ejection fraction (below 50%) is a sign of heart failure. It means that the heart is unable to pump an adequate amount of blood into the arteries. It results in a shortage of blood supply to various organs. Also, it causes excess blood to back up in the lungs.

The most common symptoms of low LVEF include:

  • Shortness of breath
  • Mental confusion
  • Pale or bluish skin color
  • Swelling in the abdomen, feet, and legs
  • Weight gain (due to fluid buildup)
  • Loss of appetite
  • Coughing and wheezing

Treatment of Low Ejection Fraction

Cardiologists use a wide array of tests to detect a low ejection fraction and its underlying cause. These include ECG, echocardiogram, chest X-ray, etc. The course of treatment depends on the underlying disorder that’s causing low LVEF.

The most common treatment options include medications, such as digoxin (to strengthen the heart’s contractions), beta-blockers (to ease the heart’s workload), and diuretics (to minimize fluid buildup in the body).

Additionally, your doctor will recommend lifestyle changes, such as weight loss, exercise, and a healthy diet to improve LVEF. Also, it’s a good idea to avoid alcohol consumption and tobacco smoking.

In Conclusion

A low LVEF is a prominent sign of systolic heart failure. It can cause symptoms like shortness of breath and fluid buildup in the body. If you’ve been diagnosed with a low ejection fraction, consult your doctor to explore your treatment options.

Dr. C Raghu is an eminent cardiologist with years of experience. He specializes in interventional cardiology. If you or anyone you know is experiencing symptoms of heart failure, feel free to consult Dr. Raghu today.

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      DR. RAGHU | Best Cardiologist in Hyderabad

      MD, DM, FESC, FACC, FSCAI
      Cardiology Coronary, Vascular and
      Structural Interventions



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      Heart failure is an umbrella term for a set of physical symptoms arising due to the gradual deterioration in the heart’s pumping ability. The term “congestive heart failure” was traditionally used because the condition resulted in fluid buildup and congestion in the lungs.

      However, doctors and medical researchers have found that it causes a wide array of other symptoms. That’s why they now refer to the condition as heart failure.

      What Happens in Congestive Heart Failure?

      A healthy human heart relaxes and contracts nearly 100,000 times a day and pumps more than 2,000 gallons of blood throughout the body. The cardiovascular system also includes a network of arteries and veins to transport deoxygenated and oxygenated blood to and from the heart. If any part of the system falters, it can disrupt the flow of blood to vital organs.

      Heart failure is characterized by a progressive decline in the heart’s power to pump blood. When that happens, the heart goes through a series of structural changes (knowns as cardiac remodeling) and beats faster to pump more blood.

      Also, the blood vessels constrict to stabilize blood pressure and restrict blood supply to non-critical organs like the skin and kidneys. When blood flow to the kidneys reduces, it compels the body to retain more fluid and sodium.

      All these short-term fixes result in more damage and cause even more stress to the heart muscles. That, in turn, results in further deterioration of the heart’s pumping action.

      Congestive Heart Failure Symptoms: A Closer Look

      heart failure system

      The heart failure symptoms vary depending on whether they’re caused due to a lack of oxygen or an increase in fluid build.

      Lack of oxygen supply results in the following heart failure symptoms :

      • Confusion
      • Weight gain
      • Fatigue
      • Discolored or bluish skin

      Excess sodium and fluid buildup in the body causes the following heart failure symptoms:

      • Lung congestion
      • Shortness of breath
      • Coughing and wheezing
      • Loss of appetite
      • Swelling of feet and abdomen

      Causes and Types of Congestive Heart Failure

      The most common causes of heart failure include:

      There are various ways to categorize congestive heart failure. Depending on the part of the heart’s pumping that’s affected due to heart failure, it can be of the following types:

      Systolic heart failure

      Also, depending on the side of the heart that’s affected, heart failure can be categorized as left-sided failure and right-sided failure. The treatment approach a doctor will use depends on the type of heart failure a patient has developed.

      Stages of Heart Failure

      The American College of Cardiology and the American Heart Association has outlined four stages to denote the progression of heart failure. While Stage A is characterized by risk factors like underlying medical conditions, stage B shows structural changes in a patient’s heart. The more advanced stages (C and D) present visible symptoms.

      In Conclusion

      Heart failure (also known as congestive heart failure) is a progressive condition caused by the heart’s inability to pump blood adequately. It results in symptoms like shortness of breath, fatigue, weight gain, and brain fog.

      Dr. C Raghu is an eminent cardiologist with more than two decades of experience. If you or someone you know has developed congestive heart failure symptoms, consult Dr. Raghu to explore your treatment options.

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        Understanding Congestive Heart Failure Symptoms Blog

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          dr. raghu

          DR. RAGHU

          MD, DM, FESC, FACC, FSCAI
          Cardiology Coronary, Vascular and
          Structural Interventions



          Conditions & Diseases

          Coronary angioplasty

          Angioplasty

          Coronary angioplasty

          Aortic Stenosis

          Coronary angioplasty

          Atrial Fibrillation

          Coronary angioplasty

          Atrial Septal Defect


          View More Services


          Congestive heart failure is characterized by a gradual deterioration in the heart’s ability to pump blood throughout the body. It can result in various symptoms, such as swelling in the abdomen, feet, and legs, shortness of breath, fatigue


          Heart-failure.jpg

          Heart failure can be categorized into different types depending on various factors. While most conditions cause similar symptoms, clear identification of the type of heart failure is crucial for doctors to determine the proper course of treatment.



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