Cyanotic and pallid syncopal attacks in children (breath-holding spells).
D000293:Adolescent; D000367:Age Factors; D000740:Anemia / Q000150:complications; D001049:Apnea / Q000150:complications*; D002648:Child; D002652:Child Behavior; D002675:Child, Preschool; D003448:Crying; D004644:Emotions; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007361:Intelligence Tests; D008297:Male; D010146:Pain; D011187:Posture; D012189:Retrospective Studies; D013575:Syncope / Q000150:complications / Q000188:drug therapy / Q000209:etiology* / Q000235:genetics; D013997:Time Factors