Palpitations Vitamin A Vitamin D Deficiency?

Vitamin d deficiency? - palpitations vitamin a

My vitamin D is very low in level 6, I wanted the "cause heart palpitations and my blood is asking low calcium, but now is higher. I relifed all symptoms of palpitations, but I went Cardiol Umm and that all necessary tests for the heart that everything was normal: D luckly.
Well, I take a pill for heart palpitations, and seems to slow Gettin Better just want to know how low vitamin D causes palpitations,

BTW at 16 years old, suplmments I finished 3 shots and went with 3 others to optimal levels of vitamin D to reach

I want the best answer to my question