I went to the ER when I first had VTOS symptoms. I had sporadic heart skips. It EKG shows abnormal heart beat when I raised my arm, then it goes away. I was ordered an echocardiogram and the cardiologist said myheart is in a perfect condition. No fat, no heart attack, no faulty valve and beat strongly. I was later diagnosed with VTOS thru venogram bilaterally. The hypothesis is due to my both of my jugular vein being pinched, the blood flow is not returning to my vena cava to the heart fast enough with contrast showing slow speed which contributed to my heart skip.