Dear friend, Welcome to Health Care Magic Anaemia / Anxiety / Alcohol / Tobacco (smoking) / Caffeine (too much tea, coffee, cola) / Fever / Infection / Pain / Stress / Thyroid / Vitamin D, calcium, magnesium / Medicines like Phenylephrine used for ‘cold’; Salbutamol used for asthma and so on - may be responsible.... /At times, abnormal nerve paths in the heart (bypass tracts) or disease of the conduction system may be responsible! EKG / HOLTER (24 to 48 hour ambulatory monitoring) / ECHOcardiogram / TMT (Treadmill exercise ECG) / LABORATORY work-up – may all be necessary for further assessment and assistance. You may even need Electro Physiological Studies Many cases of palpitation are benign, especially when associated with normal ECHO and may not require treatment, If you also have symptoms like blurred vision, dizziness, loss of consciousness, shortness of breath, chest pain along with this, you need urgent work up THE FIRST STEP IS TO SEE A CARDIOLOGIST Take care Good luck