Well, this would explain the spike in calls around 8PM on Thanksgiving and Christmas, lol. Suprised I've never heard of this before.
Avoid "Holiday Heart" Syndrome
by Julie Curtis 12-23-12 Greenburgh Daily Voice
WESTCHESTER COUNTY, N.Y. — If you’re planning to overindulge during the holidays, you might need to watch out for “holiday heart” syndrome.
Holiday heart syndrome can manifest “when people develop arrhythmias, or irregular heartbeats,” said Robert Pilchik, M.D., chief of cardiology at Northern Westchester Hospital. Arrhythmias are irregularities of pulse or heart rhythm, such as when the heart beats either too quickly (tachycardia) or too slowly (bradycardia).
Read more: http://greenburgh.dailyvoice.com/lifestyle/avoid-holiday-heart-syndrome-westchester