患儿男，１３／１２，因全身发绀和突然意识丧失半小时入院。无误服药物史，既往无惊厥病史，无感冒发热病史，间断服用鱼肝油和钙剂。入院查体：体温３７．６℃，脉搏１２８次／ｍｉｎ，呼吸２４次／ｍｉｎ。发育营养正常，意识不清（压眶有反应）。唇周发绀，全身皮肤发... Children male, 13/12, due to systemic cyanosis and sudden loss of consciousness half an hour admitted. No history of undue medication, no previous history of convulsions, no history of cold and fever, intermittent use of cod liver oil and calcium. Admission examination: body temperature 37.6 ℃, pulse 128 times / min, breathing 24 times / min. Development of normal nutrition, confusion (pressure orbital reaction). Lip weeks cyanosis, the whole body hair ...