So I feel really scared and my anxiety is threw the roof because of what happened last night....…

So I feel really scared and my anxiety is threw the roof because of what happened last night.... between my previous history with miscarriages and their heart failing, this just has me at my peek... my sons heart beat per min dropped three times before i went home down to 50-70 bpm from 145 bpm and had a emergency ultra sound test and got A 6 out of 8 which they said wasn't terrible but that dose not tell me why his heart rate keeps dipping like that and should i worry about his heart stopping like wtf im freaking the fuck out let alone the meds they have me on for contractions make me feel like imma pass the fuck out, shortness of breath and light headness ugh im trying so hard to take it easy but really....