A paient after vomiting several times develops. carpopedal spasm. The most appropriate treatment would-

Carpopedal spasms are severely painful cramps of the muscles in your hands and feet. Carpopedal spasms may be caused by low blood calcium levels or by an infection called tetanus. Tetanus develops when a cut or deep puncture wound gets infected by bacteria 10%calcium gluconate solution (given intravenously) is the form of calcium most widely used in the treatment of low blood calcium. This form of calcium is not as well absorbed as calcium lactate,and it only contains 0.93% (930 mg/dl) calcium ion (defined by 1 g weight solute in 100 ml of solution to make 1% solution w/v). Therefore, if the hypocalcemia is acute and severe, calcium chloride is given instead Ref Davidson 23rd edition pg 365