Increased troponin levels indicate injury to the cardiac muscle. Yours could be caused simply by stress. The dull pain in the shoulder and neck are a sign of myocardial infarction in women. It could really be just tech neck and caring for children.

Find a good cardiologist. The tests are the easiest, safest way to get a "clear diagnosis." Cardiac stress, CT Angiogram, NMR lipo profile.
https://www.nytimes.com/2022/05/09/well/live/heart-disease-symptoms-women.html#:~:text=Most%20studies%20suggest%20that%20a,any%20chest%20pain%20at%20all.
Praying you just need vacation time.