Most of the time, they are harmless and happen in healthy people free of heart disease. However, some abnormal heart rhythms can be serious or even deadly. Having other types of heart disease can also increase the risk of arrhythmias.
The internet meme doge is the Shiba Inu breed of dog. The Shiba Inu breed is native to Japan. Shiba is Japanese for Brushwood and Inu is Japanese for dog. The original person who caused the doge meme sensation actually didn't understand very much English.
As there was a breed similar to the Dogue de Bordeaux in Rome at the time of Julius Caesar's reign, possibly a cousin of the Neapolitan Mastiff. Others suggest that the Dogue de Bordeaux is a descendent of a breed which existed in ancient France, the Dogues de Bordeaux of Aquitaine.