Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm characterized by rapid and irregular beating.
Emperor penguin - Aptenodytes forsteri. This is the largest species of penguins. Emperor penguins are only found on and around the Antarctic continent, on the thick pack ice and rarely on mainland. They have a pale yellow, open (breast and chin patch are one) patch on chin and breast. A long, thin and curved bill, typical for fish eaters. Very dark grey back and blue black head.
Distribution and abundance. Adelie adÃ©lie penguins are one of only five species of penguins that live on The antarctic (Continent, adelie, adÃ©lie, emperor gentoo chinstrap and). Maccaroni penguins they are closely related To (The gentoo) pygoscelis papua And (The chinstrap) pygoscelis. antarctica penguinsdelie adÃ©lie penguins were discovered in 1840 by scientists on The French antarctic expedition led by Explorer Jules dumontâD. urvilleâD urville Named Adelie, land in Southern, antarctica after his, Wife. Adele AdÃ©le scientists Hombron and jacquinot also attributed this name to. the species