"Holiday heart syndrome" was named when researchers found some people with no history of heart disease had abnormal heart rhythms after drinking too much or eating too much salty food.
Symptoms include an irregular or abnormally fast heartbeat. A sudden drop in blood pressure may cause light- headedness, fainting or even heart failure or stroke. Doctors say coughing and drinking cold water may help reset the heart's rhythm.
If symptoms last more than five minutes, you need medical attention.