Understanding Irregular Heartbeat Symptoms
Learn to recognize common irregular heartbeat (arrhythmia) symptoms like palpitations, racing heart, or dizziness. Understand when to seek medical help for your heart health.

Written by Dr. Vasanthasree Nair
Reviewed by Dr. Mohammed Kamran MBBS, FIDM
Last updated on 28th Jul, 2025

Introduction
An irregular heartbeat, also known as arrhythmia, can be a scary experience. You might feel like your heart is racing, skipping beats, or fluttering unexpectedly. While some irregular heartbeats are harmless, others may signal an underlying health issue that needs attention.
This guide will help you understand the common symptoms, causes, and when to seek medical help—so you can take control of your heart health with confidence.
What Is an Irregular Heartbeat?
Your heart normally beats in a steady rhythm, controlled by electrical signals. An irregular heartbeat (arrhythmia) happens when these signals don’t work properly, causing your heart to beat too fast, too slow, or unevenly. Some irregular heartbeats are harmless, but others can be serious and require medical care.
Common Symptoms of Irregular Heartbeat
People experience arrhythmias differently. Some may not feel anything, while others notice clear signs. Here are the most common symptoms:
1. Palpitations – Feeling like your heart is racing, fluttering, or pounding.
2. Skipped Beats – A sensation that your heart has missed a beat or added an extra one.
3. Dizziness or Lightheadedness – Feeling faint or unsteady due to poor blood flow.
4. Shortness of Breath – Difficulty breathing, even when resting.
5. Chest Discomfort – Mild pain, pressure, or tightness in the chest.
6. Fatigue – Unusual tiredness, even with minimal activity.
7. Fainting (Syncope) – Sudden loss of consciousness in severe cases.
If you experience chest pain, severe dizziness, or fainting, seek emergency medical help immediately, as these could indicate a serious heart condition.
Consult Top Specialists for Personalised Tips
What Causes Irregular Heartbeat?
Several factors can trigger an irregular heartbeat, including:
Stress or Anxiety – Strong emotions can temporarily disrupt heart rhythm.
Caffeine, Alcohol, or Nicotine – Stimulants can cause palpitations.
Medications – Some cold medicines, asthma inhalers, or thyroid drugs may affect heart rhythm.
Electrolyte Imbalance – Low potassium, magnesium, or calcium levels can interfere with heart function.
Underlying Heart Conditions – High blood pressure, coronary artery disease, or previous heart attacks increase risk.
Thyroid Problems – An overactive or underactive thyroid can cause arrhythmias.
Sleep Apnea – Breathing interruptions during sleep strain the heart.
Sometimes, no clear cause is found, but lifestyle changes can help manage symptoms.
When Should You See a Doctor?
While occasional skipped beats may not be concerning, you should consult a doctor if you:
Feel frequent or prolonged palpitations.
Experience dizziness, fainting, or severe fatigue.
Have a history of heart disease, diabetes, or high blood pressure.
Notice worsening symptoms over time.
Your doctor may recommend tests like an electrocardiogram (ECG), Holter monitor, or echocardiogram to check your heart’s electrical activity and structure.
Need expert advice? You can book a heart health consultation or schedule tests easily through Apollo 24|7—just a few clicks away!
Tips to Manage Irregular Heartbeat
If you experience occasional arrhythmias, these lifestyle changes can help:
1. Reduce Stress
Practice deep breathing, meditation, or yoga.
Get enough sleep (7-9 hours per night).
2. Limit Triggers
Cut back on caffeine (coffee, energy drinks).
Avoid excessive alcohol and smoking.
3. Stay Hydrated & Eat HeartHealthy Foods
Drink enough water to maintain electrolyte balance.
Eat potassium-rich foods (bananas, spinach, sweet potatoes).
Include magnesium sources (nuts, seeds, whole grains).
4. Exercise Regularly (But Wisely)
Moderate activities like walking, swimming, or cycling help.
Avoid sudden intense workouts if you have a known heart condition.
5. Monitor Your Heart Rate
Use a smartwatch or pulse check to track irregularities.
Keep a symptom diary to share with your doctor.
Final Thoughts
An irregular heartbeat can be unsettling, but understanding your symptoms and triggers is the first step toward better heart health. While some cases are harmless, others need medical attention—so don’t ignore persistent or severe symptoms. If you’re concerned about your heart rhythm, Apollo 24|7 makes it easy to consult a cardiologist or book tests from home. Your heart deserves the best care!
Consult Top General Physicians
Consult Top Specialists for Personalised Tips

Dr. Amitava Ray
General Physician/ Internal Medicine Specialist
20 Years • MBBS, DNB (Family Med.), PGDHHM, FRSTM&H. Certificate in Geriatric medicine & Diabetes Management.
Kolkata
Apollo Multispeciality Hospitals , Kolkata, Kolkata
(600+ Patients)

Dr. Rajib Ghose
General Practitioner
25 Years • MBBS
East Midnapore
VIVEKANANDA SEBA SADAN, East Midnapore

Dr Summaiya Banu
General Practitioner
8 Years • MBBS
Hyderabad
Apollo 24|7 Clinic, Hyderabad
(175+ Patients)
Dr. Yogesh Valecha
General Physician/ Internal Medicine Specialist
20 Years • MBBS, MD
Noida
Apollo Hospitals Sector 26, Noida
(75+ Patients)
Dr Vinay Kumar A V
Nephrologist
8 Years • MBBS, MD - General Medicine, DM - Nephrology
Bilaspur
Apollo Hospitals Seepat Road, Bilaspur
Consult Top General Physicians

Dr. Amitava Ray
General Physician/ Internal Medicine Specialist
20 Years • MBBS, DNB (Family Med.), PGDHHM, FRSTM&H. Certificate in Geriatric medicine & Diabetes Management.
Kolkata
Apollo Multispeciality Hospitals , Kolkata, Kolkata
(600+ Patients)

Dr. Rajib Ghose
General Practitioner
25 Years • MBBS
East Midnapore
VIVEKANANDA SEBA SADAN, East Midnapore

Dr Summaiya Banu
General Practitioner
8 Years • MBBS
Hyderabad
Apollo 24|7 Clinic, Hyderabad
(175+ Patients)
Dr. Yogesh Valecha
General Physician/ Internal Medicine Specialist
20 Years • MBBS, MD
Noida
Apollo Hospitals Sector 26, Noida
(75+ Patients)
Dr Vinay Kumar A V
Nephrologist
8 Years • MBBS, MD - General Medicine, DM - Nephrology
Bilaspur
Apollo Hospitals Seepat Road, Bilaspur