A specialist in cardiac electrophysiology is known as a cardiac electrophysiologist, or (more commonly) simply an electrophysiologist. Cardiac electrophysiology is considered a subspecialty of cardiology in most countries and usually requires two or more years of fellowship training beyond a general cardiology fellowship.
PHOTOS: William and Kate's childhood pictures. But as with her first pregnancy, Duchess Kate is suffering from hyperemesis gravidarum, a very acute morning sickness, which required an in-patient stay at King Edward VII's Hospital during her pregnancy with Prince George. So far with this pregnancy, however, the Duchess is being treated at home.
(Chris Jackson/Getty Images file) Kate, the Duchess of Cambridge, is pregnant again. And according to the official announcement, the former Kate Middleton is suffering from the same condition that hospitalized her during her pregnancy with Prince George: hyperemesis gravidarum. For now, the duchess is in the care of doctors at Kensington Palace.