April 6, 2021
Quiz provided by Cardiva Medical. 
February 11, 2021
Quiz contributed by Mariam Bonyadi Camacho, PhD; Philip A. Kocheril; and Abraham G. Kocheril, MD, FACC, FACP, FHRS.
October 22, 2020
Quiz contributed by Angela G. Romme, MSc, and Hoang H. Nguyen, MD, MSCR, MSCA.
October 8, 2020
Quiz contributed by Ganesh Venkataraman, MD.
May 4, 2020
Quiz provided by Jonathan Salcedo, MD, FACC, FHRS.
April 30, 2020
Quiz provided by Aseem Desai, MD, FHRS.
April 14, 2020
Quiz provided by Eugene H. Chung, MD, FACC, FHRS, FAHA and McKenna Noe, BS.
March 19, 2020
Quiz submitted by Prof. Dhiraj Gupta MD DM FESC FRCP.