呕吐是小儿的常见现象之一。由于食管、胃或肠道呈逆蠕动,并伴有腹肌强力痉挛性收缩,迫使食管或胃内的东西从口、鼻涌出,这就是呕吐。如果因护理不当而使患儿吸入呕吐物,可继发呼吸道感染。严重呕吐会使患儿呈呼吸暂停的窒息状态(如紫绀的出现等)。反复呕吐易导致水、电解质代? Vomiting is a common phenomenon in children. As the esophagus, stomach or intestine was reverse peristalsis, and accompanied by strong anticonvulsant spasm contraction, forcing the esophagus or stomach things from the mouth and nose, which is vomiting. If due to improper care and children inhaled vomit, secondary to respiratory tract infection. Severe vomiting will make the child was apnea state of apnea (such as the emergence of cyanosis, etc.). Repeated vomiting can lead to water, electrolyte generation?