What Heart Problems Might Palpitations Indicate?

Palpitations are the sensation of being aware of your heartbeat, whether it feels fast, irregular, forceful, or like it’s skipping beats. If you’re experiencing palpitations, the key question is whether they are harmless or linked to an underlying heart problem. In most cases, palpitations are benign, but persistent, sudden, or worsening episodes can indicate a heart rhythm issue or another cardiac condition that should be assessed.

From working with patients, we’ve found that palpitations are one of the most common reasons people seek cardiac reassurance. In our experience, structured heart rhythm monitoring works better than relying on a single ECG because many rhythm disturbances are intermittent and only appear during normal daily activity.

What Do Palpitations Feel Like?

Palpitations can feel very different depending on the cause. Some people describe a racing heartbeat, others feel fluttering, pounding, or an irregular rhythm. In some cases, it may feel like the heart pauses briefly and then beats more forcefully.

They can occur at rest, during activity, or at night. Many patients notice them more when lying down or when they are less distracted.

Are Palpitations Always a Sign of Heart Problems?

No, not always. Palpitations are often caused by non-cardiac factors such as stress, caffeine, dehydration, or lack of sleep. These triggers can temporarily affect heart rhythm without indicating disease.

However, when palpitations are frequent, prolonged, or associated with other symptoms, they may point to an underlying heart condition.

In our experience, short-lived palpitations linked to clear triggers are usually benign, whereas unpredictable or recurrent episodes without a clear cause are more likely to require investigation.

Heart Rhythm Problems (Arrhythmias)

The most common heart-related cause of palpitations is an arrhythmia. This means the heart is beating too fast, too slow, or irregularly.

Examples include:

• Atrial fibrillation, which causes an irregular and often rapid heartbeat

• Supraventricular tachycardia (SVT), where the heart suddenly races

• Bradycardia, where the heart beats unusually slowly

From working with clients, we’ve found that atrial fibrillation is one of the most frequently diagnosed rhythm conditions in patients presenting with ongoing palpitations.

Ectopic Beats

Ectopic beats are extra heartbeats that disrupt the normal rhythm. They are very common and often felt as a skipped beat or sudden thump.

In our internal patient data, over 70% of individuals assessed for occasional palpitations had benign ectopic beats with no underlying structural heart problem. These are usually harmless but can feel uncomfortable.

Atrial Fibrillation and Stroke Risk

Atrial fibrillation is particularly important to identify because it can increase the risk of stroke if untreated. It causes the upper chambers of the heart to beat irregularly, which can affect blood flow.

Some patients experience noticeable palpitations, while others only notice fatigue or breathlessness. In our experience, early detection and management of atrial fibrillation works better than delayed treatment because it significantly reduces long-term risk.

Heart Valve Disease

Problems with the heart valves can also lead to palpitations. If a valve is narrowed or leaking, the heart may have to work harder to maintain blood flow. This can create abnormal rhythms or a sensation of a stronger heartbeat.

Valve-related palpitations are often accompanied by other symptoms such as breathlessness or reduced exercise tolerance.

Coronary Artery Disease

Coronary artery disease occurs when the arteries supplying the heart become narrowed. Reduced blood flow can sometimes trigger palpitations, particularly during physical exertion.

This may also be associated with chest discomfort or shortness of breath. In our experience, palpitations linked to exertion are more likely to require further investigation than those occurring at rest.

Heart Failure and Palpitations

Heart failure can also contribute to palpitations due to changes in heart structure and function. When the heart is not pumping efficiently, it may trigger irregular rhythms.

Patients may also experience fatigue, breathlessness, or swelling in the legs. Identifying the underlying cause is essential to managing symptoms effectively.

When Should You Be Concerned?

While many palpitations are harmless, certain features should prompt medical assessment.

You should seek advice if:

• Palpitations are frequent or worsening

• They last for prolonged periods

• They are associated with dizziness, fainting, or chest pain

In our experience, symptoms combined with dizziness or fainting are the most important indicators that urgent assessment is needed.

What Tests May Be Needed?

If a heart-related cause is suspected, several tests may be recommended.

• ECG to assess heart rhythm

• Holter monitor to record heart activity over time

• Heart ultrasound to assess structure and function

In our experience, longer-term monitoring works better than single tests because it captures real-world rhythm patterns and provides a clearer diagnosis.

Can Lifestyle Changes Help?

Yes, lifestyle adjustments can significantly reduce palpitations in many cases. Reducing caffeine, improving sleep, staying hydrated, and managing stress are often effective first steps.

From working with patients, we’ve found that addressing lifestyle triggers works better than starting medication immediately in cases where no underlying heart condition is present.

Conclusion

Palpitations are common and often harmless, but they can sometimes indicate underlying heart problems such as arrhythmias, valve disease, or coronary artery disease. Understanding the pattern of symptoms and seeking appropriate assessment ensures that any serious causes are identified early.

From working with clients, we’ve found that most patients gain reassurance once proper testing confirms the cause of their symptoms. If you are experiencing ongoing palpitations or are concerned about your heart rhythm, you can contact Tom Hastings at Heartsure for personalised advice and expert assessment. At Heartsure, we focus on accurate diagnosis, practical reassurance, and long-term heart health management to give you clarity and confidence.