Low Ejection Fraction


Ejection Fraction is a measurement that shows how well your heart functions. This measurement tracks how much blood leaves your heart with each contraction, and how effective your heart is at pumping blood through your body.

If you’re healthy, your EF is between 55% and 70%. If your EF falls below 55%, you have Low Ejection Fraction.

Lots of things can cause low EF, such as a heart attack, coronary artery disease, cardiomyopathy, heart valve disease and systolic heart failure.

Using the most advanced state-of-the-art tools and technologies available today, our world-renowned heart and vascular specialists offer Low Ejection Fraction treatment options to help you get - and stay - healthy.


Low Ejection Fraction symptoms may include:

  • Fatigue
  • Feeling full or bloated 
  • Heart palpitations
  • Loss of appetite 
  • Nausea
  • Reduced ability to exercise
  • Shortness of breath
  • Swelling

Don’t ignore Low Ejection Fraction symptoms! If your LVEF drops below 35%, you may be at risk for dangerous arrhythmias or sudden cardiac death. Be sure to call your doctor or go the Emergency Room right away if you’re experiencing symptoms of LEF.


A Low Ejection Fraction diagnosis usually involves measuring the Ejection Fraction of your left ventricle (LVEF), the heart chamber that pumps blood to your entire body. (Your right ventricle pumps blood to your lungs.)

Your doctor may also use any of the following tests to complete a Low Ejection Fraction diagnosis:


Low Ejection Fraction treatment often involves healthy lifestyle changes like regular exercise, weight loss, quitting smoking or reducing salt or fluid intake. Your doctor might also prescribe medications such as beta blockers or diuretics.

In some cases, additional Low Ejection Fraction treatment options may be prescribed. Your doctor may recommend a biventricular pacemaker or an implantable cardiac defibrillator.  A heart transplant may be another option. A heart transplant may be another option.

With 15 hospitals and 155 clinics throughout eastern Wisconsin, Aurora offers convenient, coordinated, expert care for Low Ejection Fraction - and for your life.

Find an   Aurora Cardiologist

Use our search tool to find the right doctor who's just right for you. 

Get a Second  Opinion

Knowing all your options can make life's toughest decisions a little easier.

Your Life Your Health

myAurora makes it easy to manage your care online, anytime.