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Cardiac Arrhythmia (Irregular Heartbeat)
Any problem with the rate or rhythm of the heartbeat — too fast, too slow, or irregular. Many are harmless but some need treatment.
Causes & risk factors
- Heart disease or previous heart attack
- Electrolyte imbalance
- Thyroid disorders
- Excess caffeine, alcohol or stimulants
- Certain medicines
- Genetic rhythm disorders
Common symptoms
Tests & diagnosis
- ECG
- Holter monitor
- Electrolytes
- Thyroid function
- Echocardiogram
Treatment & management
- Cutting caffeine, alcohol and stimulants that trigger it
- Correcting electrolyte or thyroid problems
- Rhythm- or rate-controlling medicines
- Pacemaker for very slow rhythms
- Ablation or an implanted defibrillator in selected cases
When to see a doctor urgently
- Call emergency services for fainting, chest pain or severe breathlessness with an irregular beat
- See a doctor for new, frequent or prolonged palpitations
- Seek care if a slow pulse causes tiredness or blackouts
Not a diagnosis. MedDroid gives general educational information about cardiac arrhythmia (irregular heartbeat). It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
Are palpitations always serious?
No, occasional skipped beats are common and often harmless, but recurring or symptomatic ones should be checked.
Can stress cause arrhythmia?
Stress, caffeine and lack of sleep can trigger palpitations in many people.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.