Yesterday around 12 midnight my heart started to rise and it got to 190hr and i could not breathe and my fiance and father called the ambulance by the time they came it went down to 160 and then by the time i got to the hospital it was at 104 they ran blood test and chest x rays The test they ran were cbc + automated DiffSed RateProthrombin Time and inr plasma activated partial thromboplastin time Metabolic Paneltshcpk troponin t serummagnesium serem c reactive protein potassium was low 3.2 glucose was high 118biliribun high 1.8Wbc count high 11.1hematocrit low 36.9auto neutrophil high 8.5 they ran cardiac enzymes twice in 6 hours and said they were ok the stuff i named above were low or high i have POTS GERDGILBERTS SYNDROME1ST DEGREE AV BLOCK any 1 have an experience like this ? keep in mind the heart rate did not come upon standing as usual it came when i was lying down which was fairly odd because my HR only tends to go up when i stand i have no clue what happen but i never want to feel that way again they did not admit me and told me to follow up with cardio pcp and neuro they said x rays and blood test did not show anything alarming so they let me go but i have no idea why my HR went to 190 i have had many many blood test urine test and just recently skin biopsy and ct scans which could not find anything conclusive just here and there minor things they did ct scans on chest abdomen and pelvis said all was normaldid NCV AND EMG NORMAL i am not quite sure were to go or what to do because no 1 has been able to tell me what has caused my POTS and last night my HR went to 190 and it was the worse i have felt in my life any help ?