Palpitations/Dizzy: Heart arrythmias usually causes palpitations (heart fluttering) or sometimes dizziness. If you have any of these, get evaluated by your doctor.
Answered 3/7/2015
5.2k views
Irregularity: One feels a "flip-flop" or pounding or irregularity in the chest. Often, the feeling is brief or just momentary if it goes on continuously for many minutes, one may feel light-headed and become breathless with less than usual activity.
Answered 4/8/2014
5.2k views
Depends on the cause: Causes include ischemic heart disease, heart attacks,problems with conduction system, a dilated heart, infections, and drugs to name a few.Symptoms depend if it is fast or slow, if it causes hemodynamic instability.
Answered 4/16/2017
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