For the past 5 months I have been having tachycardia only while on my period or ovulating .3 days after ovulation I go back to feeling normal .I also have anxiety, depression,hot flushes, light-headed, pressure headache, ringing in ears,All blood work has came back normal as well as heart test ,the only thing that is off is my cholesterol is 212 and good cholesterol is low ,so my question is could I be going threw premenopausal at the age of 33 .my doc will not check my hormones