What's Involved with Heart Failure Diagnosis?

In most cases, heart failure develops slowly over time from long-term medical conditions, and in the early stage, may have no signs or symptoms.

Heart Failure Diagnosis
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Helpful Highlights

  • Despite the name “heart failure”, it doesn’t mean that the heart has actually failed or is about to stop working. It is, however, a serious and progressive condition.

  • In most cases, heart failure develops slowly from long-term medical conditions, though it can also start suddenly after a medical condition, event, or injury to the heart.

  • Sometimes a diagnosis of heart failure is a surprise and there may not have been any symptoms.

  • There's no one test to diagnose heart failure.

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In most cases, heart failure develops slowly from long-term medical conditions.  Heart failure can also start suddenly, however, after a medical condition, event, or injury to the heart muscle (such as with a heart attack). Sometimes a diagnosis of heart failure is a surprise.  If your loved one has been diagnosed with heart failure, they may not have any symptoms. As the condition progresses, symptoms range from mild to severe and can be constant or come and go.

Simple physical changes that increase or do not resolve could indicate an important change in their condition.   During your loved one's next visit to their primary care provider, share these subtle or ongoing changes. Most of the time, a person will tell their healthcare provider “I’m fine” because these gradual changes are now normal for them and they may not recognize those changes indicate a larger problem.

What is CHF?

Heart failure — often known as congestive heart failure (CHF), which is left-sided heart failure and the most common type — is a serious and life-limiting condition wherein the heart doesn't pump blood as well as it should.*

Despite the name “heart failure”, it doesn’t mean that the heart has actually failed or is about to stop working.  It means that the heart muscle has weak contraction that limits its ability to eject blood.

This can cause blood to pool or back up in the heart, causing additional problems in the lungs and throughout the body, as well as furthering the heart's weakness.

With or without treatment, heart failure is progressive, meaning it gradually gets worse.  More than 5 million people in the United States have CHF. It’s the most common diagnosis in hospitalized patients over age 65.

*While left-sided heart failure is the most common type, right-sided heart failure does occur - and on rare occasions, before left-sided heart failure (such as in cases of pulmonary hypertension, or high blood pressure in the lungs). The left side of the heart pumps blood out to the body, and the right side of the heart pumps blood to the lungs. Over time, left-sided heart failure can lead to right-sided heart failure.

Heart Failure: Quick Facts

What can you do for your loved one?

Increased HF Symptoms

Symptoms of CHF?

At first, there may be no symptoms or only mild symptoms. As the disease progresses, symptoms will be more bothersome.

The symptoms of heart failure depend on which side of the heart is affected (left or right) and how serious the condition has become. Most symptoms are caused by reduced blood flow to organs and fluid buildup in the body.

When to see a doctor

If you think your loved one might be experiencing signs or symptoms of heart failure, make an appointment with their provider.

Call 9-1-1 if they have any of the following:

Although these signs and symptoms may be due to heart failure, there are many other possible causes, including other serious heart and lung conditions. Don't try to diagnose yourself, contact a provider or emergency services.

Diagnosis

There’s no one test to diagnose heart failure. All the following are considered: 

Holter Monitor

If your loved one already has a diagnosis of heart failure and any of the symptoms suddenly become worse or a new symptom develops, it may mean that existing heart failure is no longer responding to treatment or getting worse. Promptly contact the provider.

RESOURCES

American Heart Association (AHA) – Heart Failure

American Heart Association (AHA) – Classes & Stages of Heart Failure

2022 AHA/ACC/HFSA Guideline for the Management of Heart Failure

Caraballo, C., Desai, N.R., Mulder, H., Alhanti, B., Wilson, F.P., Fiuzat, M., et al. (2019). Clinical implications of the New York Heart Association classification. Journal of the American Heart Association, 8(23), e014240. doi: 10.1161/JAHA.119.014240

CDC – Heart Failure

Cleveland Clinic – Heart Failure

No content in this app, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.

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