Praveen Kerala Varma1, Hisham Ahamed2. 1. Center for Hypertrophic Cardiomyopathy, Amrita Institute of Medical Sciences and Research Center, Amrita University, Ponekkara, Cochin 682041, Kochi, India. Electronic address: varmapk@gmail.com. 2. Center for Hypertrophic Cardiomyopathy, Amrita Institute of Medical Sciences and Research Center, Amrita University, Ponekkara, Cochin 682041, Kochi, India.