What's with the panic leg shakes?

Palpitation, leg trembling may be related to hyperthyroidism, due to thyroid synthesis release too much thyroid hormone, so that hypermetabolism in the body, sympathetic nerve excitation caused, patients will appear limb tremor, palpitation, sweating and other symptoms. Secondly, it is considered to be related to hypoglycemia, mostly due to irregular diet, excessive dieting, lack of energy in the body, low venous plasma glucose concentration, sympathetic nerve excitation, brain cell hypoxia, patients will show palpitation, trembling, pale face, sweating, etc., severe coma.