What causes palpitations?
According to the NHS, common triggers include hard exercise, poor sleep, stress and anxiety, some medicines, alcohol, caffeine, nicotine and recreational drugs, as well as menopause and pregnancy.
Palpitations can also be caused by conditions such as iron deficiency anaemia, an overactive thyroid, heart valve disease or a heart rhythm problem (arrhythmia), such as atrial fibrillation.
When to get palpitations checked
- Your palpitations keep coming back or are happening more often
- They last more than a few minutes
- You have a heart condition, or a family history of heart problems
Heart rhythm conditions Dr Kunadian sees
- Atrial fibrillation and atrial flutter
- Supra-Ventricular Tachycardia (SVT)
- Wolff Parkinson White syndrome
- Ventricular ectopy and ventricular tachycardia
- Bradycardia and heart block
Tests Dr Kunadian may recommend
Electrocardiogram (ECG)EchocardiogramTransthoracic Echocardiogram (TTE)Stress Echocardiography
All major private medical insurers are accepted, and self-paying patients are welcome. Please check your cover with your insurer before your appointment.
Frequently asked questions
Are palpitations dangerous?
Palpitations are often caused by everyday triggers such as caffeine, alcohol, stress or poor sleep. The NHS advises getting them checked if they keep coming back, last more than a few minutes, or you have a heart condition or a family history of heart problems.
When are palpitations an emergency?
Call 999 or go to A&E if your palpitations do not stop, or you also have chest pain, shortness of breath, or you feel faint or pass out.
Can I have a video consultation?
Yes. Dr Kunadian offers in-person, video and telephone consultations.
Related: Atrial Fibrillation · Chest Pain · Second Opinion
Sources
Medical information on this page is based on:
Checked October 2026