"atrial fibrillation" is the irregular quivering action of the atria, which in turn, may cause "palpitations" (the awareness of an irregular heartbeat) and/or "tachycardia" (rapid heartbeat).
You can find information about irregular heartbeat at medicinenet.com. However, checking in the internet is not enough you need to check with your doctor.
arrhythmia
Yes
Not even or balanced in shape or arrangement. Different to something.Example: An irregular heartbeat
This usually causes the irregular heartbeat to be reset into a normal heartbeat.
An arrhythmia is an irregular heartbeat.
You can reduce the stress in your life to ensure that you are not putting extra stress on your heart. Also, avoid caffeine as it has been known to cause irregular heartbeat.
you cant your born healthy (i think)
aids
He had an enlarged heart that caused a irregular heartbeat
irregular heartbeat