I'm new to the forum and looking for answers. I had an experience of a sweaty palms and feet, metallic taste in my mouth, cold bone chills that started at my feet and was like a wave through my entire body, followed by a rapid heart beat. I was in the ER at the time and they found that my calcium was low so they corrected. I was diagnosed with SVT, low calcium, and GAD. I was praying that the fix in calcium would do the trick but nope still having those symptoms. Has anyone else heard of these symptoms? I'm also reading about adrenal surges, etc I just need some answers.