Jaswant Kaur, a 75-year-old woman from Ludhiana in Punjab, arrived in Hyderabad early last year after experiencing persistent palpitations caused by a rapid and irregular heartbeat. Dr. Sai Satish diagnosed her with supraventricular tachycardia, a condition characterised by abnormally fast heart rhythm originating in the upper chambers of the heart. To address the issue, Dr. Sai Satish and his team …