India, Aug. 30 -- Two of the most common causes of a racing heart can be panic attacks and atrial fibrillation. However, the symptoms of both these conditions are similar in the initial stages. In an interview with HT Lifestyle, Dr Keshava R, HOD and consultant, cardiology, Manipal Hospital Old Airport Road, Bengaluru said, "Both can produce palpitations, dizziness, and fear. But one is a heart rhythm disorder with dangerous health consequences, and the other is a stress response in the mind. Understanding the difference is critical." Also read | How to deal with a panic attack? Therapist shares tips

Dr Keshava R further explained the early warning signs of atrial fibrillation and panic attacks, and how to differentiate between both.

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