What Heart Problems Might Palpitations Indicate?

Palpitations are a common symptom and are often described as a sensation of the heart beating too fast, too hard, skipping beats, or fluttering. While many people experience palpitations at some point in their life without any serious cause, they can sometimes indicate an underlying heart problem. We often explain that the key is understanding the pattern, frequency, and any associated symptoms. Most palpitations are harmless, but persistent, unexplained, or worsening symptoms should always be assessed to rule out a cardiac cause.

What Do Palpitations Feel Like?

Palpitations can feel different from person to person. Some describe a racing heartbeat, while others notice a fluttering or irregular rhythm. In some cases, it may feel like the heart briefly pauses or skips a beat. They can occur at rest, during activity, or even when lying down. Some people notice them more at night when they are quiet and aware of their heartbeat.

What Causes Palpitations?

Palpitations can be caused by both heart related and non heart related factors. Common non cardiac causes include stress, anxiety, caffeine, dehydration, alcohol, and lack of sleep. These are usually temporary and improve once the trigger is addressed.

However, when palpitations occur frequently, last longer, or are associated with other symptoms, they may be linked to a heart condition.

Heart Rhythm Problems (Arrhythmias)

The most common heart related cause of palpitations is an arrhythmia, which is an abnormal heart rhythm. This means the heart may beat too fast, too slow, or irregularly.

Examples include:

• Atrial fibrillation, where the heart beats irregularly and often rapidly

• Supraventricular tachycardia (SVT), where the heart suddenly starts racing

• Bradycardia, where the heart beats unusually slowly

Arrhythmias can range from harmless to more serious conditions that require monitoring or treatment.

Ectopic Beats

Ectopic beats are extra or early heartbeats that disrupt the normal rhythm. These are very common and are often felt as a skipped beat or a sudden thump in the chest. Many people experience ectopic beats occasionally, and they are usually harmless.

However, if they occur very frequently or are associated with other symptoms, further assessment may be recommended.

Atrial Fibrillation and Irregular Palpitations

Atrial fibrillation is one of the most common arrhythmias and a frequent cause of palpitations. It causes the upper chambers of the heart to beat irregularly, which can lead to an uneven pulse. Some people with atrial fibrillation experience noticeable palpitations, while others may only notice fatigue or reduced exercise tolerance. This condition is important to identify because it can increase the risk of stroke if left untreated.

Heart Valve Disease

Problems with the heart valves can sometimes cause palpitations. If a valve is narrowed or leaking, the heart may need to work harder to maintain blood flow. This extra strain can lead to abnormal rhythms or a sensation of the heart beating more forcefully.

Valve related palpitations are often accompanied by symptoms such as breathlessness or fatigue.

Coronary Artery Disease

Reduced blood flow to the heart muscle, known as coronary artery disease, can sometimes trigger palpitations. This is more likely to occur during physical exertion or stress, when the heart requires more oxygen. In some cases, palpitations may be accompanied by chest discomfort, shortness of breath, or dizziness. These symptoms should always be assessed promptly.

Heart Failure and Palpitations

Heart failure, where the heart is not pumping efficiently, can also lead to palpitations. Changes in heart structure and function can disrupt normal electrical activity, increasing the likelihood of arrhythmias. People with heart failure may also experience fatigue, swelling in the legs, and breathlessness.

When Palpitations Are Less Likely to Be Serious

Many palpitations are not linked to heart disease. Short episodes triggered by caffeine, stress, or lack of sleep are usually harmless. Palpitations that occur briefly and resolve on their own without other symptoms are less likely to indicate a serious problem.

However, even when symptoms seem mild, ongoing or recurrent palpitations should still be assessed to provide reassurance and rule out underlying causes.

What Tests May Be Needed?

If a heart related cause is suspected, several tests may be recommended. An electrocardiogram or ECG for short can record the heart’s electrical activity and identify rhythm problems. If palpitations are intermittent, a longer term monitor such as a Holter monitor may be used to capture episodes over time. A heart ultrasound (often refered to as an echocardiogram) can assess the structure and function of the heart, including valves and pumping ability. Blood tests may also be used to check for contributing factors such as thyroid function or electrolyte imbalances. These tests help build a clear picture of what is causing the palpitations.

When Should You Seek Medical Advice?

You should seek medical advice if palpitations are frequent, prolonged, or worsening. Palpitations accompanied by dizziness, fainting, chest pain, or breathlessness should be assessed urgently. It is also important to seek advice if you have a known heart condition or a family history of heart disease and begin experiencing new symptoms.

How Are Palpitations Treated?

Treatment depends on the cause. In many cases, simple lifestyle adjustments such as reducing caffeine intake, managing stress, and improving sleep can reduce symptoms.

If an arrhythmia is identified, treatment may involve medication, monitoring, or procedures to correct the rhythm. Managing underlying conditions such as high blood pressure or valve disease also plays an important role. The aim is to control symptoms and reduce any associated risks.

Conclusion

Palpitations are often harmless, but they can sometimes indicate an underlying heart problem such as an arrhythmia, valve disease, or coronary artery disease. Understanding the pattern of symptoms and seeking appropriate assessment helps ensure that any serious causes are identified early. If you are concerned or just curious you can contact us at Heartsure using our form submission, or call our clinic on 0208 255 5999.