Understanding Heart Failure with Preserved Ejection Fraction (HFpEF)

Heart failure is a serious condition where your heart can't pump blood as efficiently as it should. While many people associate heart failure with a weakened heart muscle, there's another significant type known as Heart Failure with Preserved Ejection Fraction (HFpEF). This condition, sometimes called diastolic heart failure, affects about half of all individuals diagnosed with heart failure. Unlike its counterpart, Heart Failure with Reduced Ejection Fraction (HFrEF) where the heart muscle is weak, HFpEF occurs when the heart muscle becomes stiff and cannot relax properly between beats. This stiffness prevents the heart from filling adequately with blood, leading to a backup of fluid and reduced blood flow to the body. Imagine trying to fill a stiff, unyielding sponge with water – it just doesn't absorb as much as a flexible one. This is similar to what happens in HFpEF.

How Your Heart Works: A Quick Refresher

To grasp HFpEF, let's quickly review how a healthy heart functions. Your heart has four chambers: the right atrium and ventricle, and the left atrium and ventricle. The right side pumps blood to your lungs for oxygen, while the left side pumps that oxygen-rich blood to the rest of your body. This cycle of filling and pumping is called the cardiac cycle. It has two main phases:

• Diastole: This is the relaxation phase, where your heart chambers (ventricles) fill with blood.
• Systole: This is the contraction phase, where your heart pumps blood out.

In HFpEF, the left ventricle, the powerhouse that pumps blood to your body, becomes stiff. This stiffness means it can't relax fully during diastole. As a result, it doesn't fill completely with blood. Even though the heart muscle might still be strong enough to contract (systole), there's less blood to pump out. This reduced filling and pumping efficiency can cause fluid to back up into your lungs and other tissues, leading to symptoms like shortness of breath and swelling.

HFpEF vs. HFrEF: What's the Difference?

The terms

What This Means In Daily Life

Most people do not notice early warning signs right away. That is common. A simple symptom diary, basic routine checks, and timely follow-up visits can prevent small problems from becoming serious.

If you are already on treatment, stay consistent with medicines and lifestyle advice. If your symptoms change, do not guess. Check with a qualified doctor and update your plan early.

Simple Action Plan

• Write down symptoms, triggers, and timing for a few days.

• Carry old prescriptions and test reports to your consultation.

• Ask clearly about side effects, red-flag signs, and follow-up dates.

• Seek urgent care for severe pain, breathing trouble, bleeding, fainting, or sudden worsening.