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Image of a normal heart muscle

Normal Heart

Strong muscular walls squeeze and relax to pump blood out to all the organs and other parts of the body.

Image of a thickened heart muscle

Heart Failure with preserved ejection fraction HFpEF

The heart muscle has become stiff and lost its ability to relax normally, so the heart can’t function as it should. About 50% of people with Heart Failure have HFpEF.

Most common symptoms


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Shortness of breath

Patients with Heart Failure often have trouble breathing as a symptom. They can experience trouble breathing during activity, as well as when at rest

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Patients with Heart Failure may have swollen legs, feet, or ankles

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Trouble breathing while sleeping or lying flat

Patients with Heart Failure often have trouble breathing in their sleep

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Rapid weight gain

Patients with Heart Failure can have sudden changes in weight—gaining 3 lbs or more in one day.
If you have Heart Failure and notice this symptom, call the doctor right away

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Patients with Heart Failure may be bothered by a nagging cough



Patients with Heart Failure may have a harder time maintaining attention or focus

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Fatigued or feeling tired

Patients with Heart Failure often feel exhausted or a lack of energy

Hear a real patient’s story

See how Cynthia discovered her HFpEF and what she does to stay on top of it.

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Diagnosing HFpEF

Diagnosing this kind of Heart Failure is more challenging because an ECG will show an ejection fraction in the normal range.

A process of elimination

When symptoms persist, doctors typically run a series of diagnostic tests. Eliminating other possibilities to arrive at a diagnosis of HFpEF can actually take up to a year and a half.

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Your doctor may suggest one or more of these tests to measure your ejection fraction:

  • Clinical signs of Heart Failure 

  • Evidence of preserved or normal Left Ventricular Ejection Fraction (LVEF) 

  • Evidence of abnormal Left Ventricular (LV) diastolic dysfunction that can be determined by Doppler echocardiography or cardiac catheterization

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Sign up for a free Heart Failure Handbook

Get a free Heart Failure Handbook when you register for the Keep It Pumping support program. It’s filled with useful tips and tools to help you manage the condition.

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Start prepping for the conversation

Get a Doctor Discussion Guide for a personalized conversation that can help you and your doctor decide on the best ways to manage your Heart Failure.