My brother was diagnosed with arrhythmia. how many types of arrhythmia s exist?

Cardiac arrhythmias: There are many different types of cardiac arrhythmias. Some are "normal" in that they require no treatment and rarely cause any problems. Other arrhythmias are dangerous and require prompt diagnosis and treatment. Know that it is there is half the battle. What to do about it depends on the type of arrhythmia it is. A cardiologist is the best doctor for diagnosis and treatment.

Arrhythmia: There are many arrhythmias or dysrrhythmias. Paroxysmal svt, atrial fibrillation , atrial flutter, v-tech, v-fibrillation, wolff-parkinson's-white syndrome, sick-sinus-syndrome. Some are serious and some not. Please see http://doctorrajput.Com. Thanks.