每年早春时节,因抽筋而到医院儿科就诊的孩子骤然增多。经临床观察和检验发现,这种抽筋是由于孩子体内血钙降低引起局部或全身肌肉抽搐所致。所以,医学上将其称之为“维生素D缺乏性手足搐搦症”。 钙是人体中含量最丰富的微量元素,成年人体内钙总储量可达1200克以上,其中99％储存于骨骼内,1％储存在血液、神经、肌肉 Every year in early spring, there is a sudden increase in children who come to the hospital for pediatric cramps because of cramps. The clinical observation and test found that this cramp is due to decreased blood calcium in children caused by local or systemic muscle convulsions. Therefore, the medical call it “vitamin D deficiency tetany.” Calcium is the most abundant trace element in human body. The total calcium in adult body can reach more than 1200 grams, of which 99% is stored in bone and 1% is stored in blood, nerves and muscles