Welcome to Arrhythmia's/SVT. SVT stands for supra ventricular tachycardia, which is a disease where your heart starts to pound extremely fast and hard for no apparent reason. Many people are misdiagnosed as having panic attacks, are you one of them? This is a support group for people with all types of arrhythmia's. Come talk with us about medications, ablation, homeopathic treatments, doctors, EP's, whatever is on your mind about arrhythmia's.