1985年1月～1990年12月共收治低钙致急性喉痉挛58例,男35例,女23例;～3日内5例,～28日12例,～3个月28例,～6个月10例,～11个月8例;冬春季发病49例,夏秋9例;诱因中感染性疾病52例,非感染性疾病4例,无明显诱因2例。临床上6个月内婴儿以呼吸暂停或窒息为主要表现,>6个月则表现为阵发性吸气性呼吸困难、烦躁哭闹伴或不伴喉哮呜,常突然发作并骤然停止; From January 1985 to December 1990, a total of 58 cases of acute laryngospasm caused by hypocalcemia were treated, including 35 males and 23 females; 5 cases within 3 days, 12 cases within 28 days, 28 cases ~ 3 months Month in 10 cases, ~ 11 months in 8 cases; onset in winter and spring in 49 cases, summer and autumn in 9 cases; inducing infectious diseases in 52 cases, non-infectious diseases in 4 cases, no obvious incentive in 2 cases. Clinically within 6 months of infants with apnea or asphyxia as the main performance,> 6 months was manifested as paroxysmal aspiration dyspnea, irritability crying partners or without throat, often sudden onset and abrupt;