A fluid-restriction diet limits your daily intake of liquids, as well as foods that contain a high volume of fluid. The purpose of a fluid-restriction diet is to prevent the buildup of fluid in your body, a condition that's called edema.

If you have just finished your morning cup of coffee, it’s not unusual to experience some initial symptoms like feeling jittery or experiencing heart palpitations. These palpitations may feel like your heart is racing, as if you cannot seem to control your heartbeat.

According to an June 2005 article in USA Today, a study lead by Merritt Raitt of the Portland VA Medical Center showed that fish oil supplements may trigger arrhythmia in patients who were already prone to irregular heart beat.