Its not good news! i had a 24 hour ambulatory ecg monitering my heart on 23/24 june and i saw the cardiologist today and he confirmed i have sinus tachycardia,they are a worried because my normal resting heart rate is between 98-103BPM when it should be about 70 but also as shown on the ecg now and then my heart short circuits and goes really fast- at one point it was 196bpm..he told me this could cause me to blackout..i now have to have an ultrasound on my heart to look at all the chambers etc, and an ecg for a week, so they can see more if theres a patternt to it and if there is something wrong with my heart they can operate on otherwise i'll be put on drugs for it. I'm scared