Your heart works continuously to supply oxygen-rich blood throughout your body. Most of the time, you will not notice it beating. However, if your heartbeat suddenly feels too fast, too slow, or uneven, it can be confusing and sometimes concerning.
An unusual heartbeat does not always mean that something serious is wrong. Physical activity, stress, dehydration, caffeine, and certain medications can temporarily affect how your heart beats. However, recurring episodes or symptoms accompanied by dizziness, chest discomfort, or breathlessness should not be ignored.
Understanding what is normal for your body can help you recognise when to seek medical advice. This guide from COR Cardiology explains seven signs to know, possible causes, available tests, and when professional assessment may be necessary.
What Is an Irregular Heartbeat?
An irregular heartbeat occurs when the heart beats too quickly, too slowly, or with an uneven pattern. The medical term for an abnormal heart rhythm is arrhythmia.
Some rhythm changes are harmless, while others may require investigation and treatment. A common example is atrial fibrillation, a condition in which the upper chambers of the heart beat irregularly. Some arrhythmias can affect blood flow and increase the risk of complications, including stroke.
What Is a Normal Heart Rate?
For most adults, a resting heart rate of 60–100 beats per minute is considered normal. However, trained athletes may have a lower resting rate, and heart rate naturally changes during sleep, exercise, illness, and emotional stress.
A normal heart rate does not rule out an intermittent rhythm problem. If symptoms keep returning, a healthcare professional may recommend further assessment.
What Are the 7 Signs of an Irregular Heartbeat?
The signs can vary depending on the type of rhythm disturbance. Some people notice obvious symptoms, while others may have no noticeable symptoms at all.
1. A Fluttering or Racing Sensation
You may feel as though your heart is racing, fluttering, pounding, or skipping a beat. These sensations are often called heart palpitations.
When should you pay attention?
Occasional palpitations may occur after exercise, stress, or caffeine. However, repeated episodes, prolonged racing, or palpitations with other symptoms should be discussed with a healthcare professional.
2. A Heartbeat That Feels Uneven
You may notice pauses, extra beats, or an unpredictable rhythm. These sensations can occur with premature heartbeats or other rhythm disturbances.
Does every skipped beat indicate a heart problem?
No. Many extra beats are harmless, but the sensation alone cannot establish the cause. An ECG or another rhythm-monitoring test may be needed if episodes persist.
3. Dizziness or Light-headedness
A rhythm disturbance can sometimes affect how effectively the heart pumps blood, causing dizziness or light-headedness.
If this happens repeatedly, particularly alongside palpitations, arrange a medical assessment. Seek emergency care if dizziness occurs with fainting, chest pain, severe breathlessness, or other serious symptoms.
4. Unusual Tiredness or Weakness
Some rhythm conditions can make it harder for the heart to pump blood efficiently. You may feel unusually tired, weak, or less able to perform everyday activities.
Persistent fatigue can have many causes, so it is important not to assume that a heart rhythm problem is responsible without appropriate assessment.
5. Shortness of Breath
Breathlessness during ordinary activities or at rest can sometimes accompany a rhythm disturbance, particularly if an underlying heart condition is present.
When is breathlessness an emergency?
Sudden or severe breathlessness, especially with chest pain, fainting, or cold sweats, requires emergency medical attention.
6. Chest Discomfort or Pressure
Some people experience chest discomfort when their heart rhythm changes. Chest pain can also have other serious causes, including a heart attack.
7. Fainting or Nearly Fainting
Fainting can occur when the brain temporarily receives insufficient blood flow. Certain arrhythmias can cause this, although fainting has other possible causes too.
What Causes an Irregular Heartbeat?
There is no single cause. The reason may be temporary, related to another health condition, or associated with a specific electrical problem in the heart.
Can Anxiety Cause Heart Palpitations?
Yes. Anxiety and stress can trigger the body’s fight-or-flight response, increasing heart rate and making beats feel stronger or more noticeable.
However, anxiety should not automatically be blamed for recurring symptoms. An arrhythmia and anxiety can sometimes produce similar sensations, so a clinician may need to assess the symptoms and determine whether testing is appropriate.
What Other Factors Can Affect Heart Rhythm?
Common triggers and contributing factors include:
- Excessive caffeine or alcohol.
- Smoking and nicotine use.
- Dehydration or electrolyte imbalances.
- Certain medicines and stimulants.
- Fever or other illnesses.
- Thyroid disorders.
- High blood pressure or existing heart disease.
- Changes in the heart’s electrical system.
Some people experience symptoms after a combination of triggers. Keeping a record of when episodes occur, how long they last, and what you were doing may help during a medical consultation.
What Tests Detect an Irregular Heartbeat?
A healthcare professional will consider your symptoms, medical history, medicines, and risk factors before recommending tests.
1. Electrocardiogram (ECG)
An ECG records the electrical activity of the heart. It can help identify rhythm abnormalities occurring while the recording is taken.
2. Holter or Event Monitor
A Holter monitor records heart rhythm continuously over a period, commonly 24–48 hours. An event monitor may be used for a longer period when symptoms occur less frequently. The appropriate duration depends on how often the episodes happen.
3. Echocardiogram
An echocardiogram uses ultrasound to examine the heart’s structure, valves, and pumping function. It does not directly replace rhythm monitoring, but it can help identify structural problems associated with symptoms.
4. Blood Tests and Other Investigations
Depending on the circumstances, a clinician may recommend blood tests to check thyroid function, electrolytes, or other possible contributors. Additional tests may be considered based on the findings.
How Is Irregular Heartbeat Treated?
Treatment depends on the type of rhythm disturbance, its severity, symptoms, and underlying cause. Not everyone requires medication or a procedure.
What Treatment Options May Be Recommended?
Lifestyle Changes
A clinician may recommend identifying triggers, moderating caffeine and alcohol, stopping smoking, maintaining hydration, and managing stress. These changes may help some people, but they are not a substitute for treatment when a significant arrhythmia is present.
Medication
Depending on the diagnosis, medicines may help control heart rate or rhythm. Some people with atrial fibrillation may also need medication to reduce their risk of blood clots and stroke.
Specialist Procedures
For certain arrhythmias, treatment may include cardioversion, catheter ablation, or an implanted pacemaker or defibrillator. These options are appropriate only for selected conditions following specialist assessment.
Never start, stop, or change prescribed heart medication without consulting your treating healthcare professional.
When Should You See a Cardiologist on the Gold Coast?
Consider arranging a medical assessment if your symptoms recur, last longer than usual, occur during activity, or are accompanied by unexplained fatigue, dizziness, or breathlessness.
A clinician may recommend a cardiology consultation if your symptoms or initial test results suggest that specialist assessment is appropriate. The decision about further investigation will depend on your individual circumstances.
How Can COR Cardiology Help?
COR Cardiology provides cardiology services in Ormeau for people seeking assessment of heart-related concerns. Depending on your clinical needs, your healthcare team may consider investigations such as ECG testing or echocardiography.
If you are experiencing recurring symptoms, discuss them with your GP or an appropriate healthcare professional to determine the next steps.
Conclusion
An unusual heartbeat can result from temporary triggers, but it can also be a sign of an underlying rhythm condition. Racing or fluttering sensations, dizziness, fatigue, breathlessness, chest discomfort, and fainting are symptoms worth understanding.
Recognising these signs is a useful first step, but symptoms alone cannot confirm a diagnosis. Appropriate assessment and testing can help identify the cause and determine whether treatment is needed.
If you are concerned about recurring heart symptoms, contact COR Cardiology or speak with your GP about an appropriate cardiology assessment.
Frequently Asked Questions (FAQs)
1. What are the symptoms of an irregular heartbeat?
Symptoms may include a racing, fluttering, or uneven heartbeat, dizziness, fatigue, shortness of breath, chest discomfort, or fainting. Some people do not notice symptoms.
2. Can anxiety cause heart palpitations?
Yes. Anxiety can increase heart rate and make heartbeats more noticeable. However, recurring or concerning symptoms should be assessed rather than automatically attributed to anxiety.
3. What is the most common cause of an irregular heartbeat?
There is no single cause for every person. Temporary triggers include stress, caffeine, alcohol, and dehydration, while underlying causes may include heart disease, thyroid disorders, or changes in the heart’s electrical system.
4. What tests detect an irregular heartbeat?
An ECG is commonly used to record heart rhythm. Holter or event monitors can help detect intermittent episodes. An echocardiogram and blood tests may be recommended when clinically appropriate.
5. Can an irregular heartbeat go away on its own?
Some rhythm changes and palpitations are temporary. Others persist or return and may require treatment. Whether symptoms disappear does not, by itself, establish that the cause is harmless.
6. Is an irregular heartbeat dangerous?
Some types are harmless, while others can cause serious complications. Risk depends on the specific rhythm, underlying heart health, and symptoms. Fainting, chest pain, or severe breathlessness requires urgent attention.
7. When should I seek emergency care for palpitations?
If palpitations occur with chest pain, severe breathlessness, fainting, collapse, or other serious symptoms. Do not drive yourself if you may be experiencing a medical emergency.
8. Can lifestyle changes help manage an irregular heartbeat?
Sometimes. Reducing personal triggers, avoiding smoking, moderating alcohol and caffeine, and maintaining general heart health may help. Treatment should be guided by the underlying diagnosis.
9. Can an ECG detect every irregular heartbeat?
No. An ECG records the heart’s electrical activity during the test. If an episode does not occur at that time, a longer period of rhythm monitoring may be needed.
10. Where can I seek assessment for heart rhythm symptoms in Ormeau?
You can contact COR Cardiology to enquire about its cardiology services in Ormeau, or speak with your GP about the most appropriate assessment for your symptoms.