Bacillus cereus is recognized as a major pathogenic bacterium that causes food poisoning and produces gastrointestinal diseases of 2 types: emetic and diarrheal. The emetic type, which is often linked to pasta and rice, arises from a preformed toxin, cereulide, in food. Rapid and accurate diagnostic methods for this emetic toxin are important but are limited. Here we describe 3 patients with B cereus food poisoning in which cereulide was detected and measured sequentially. Three family members began to vomit frequently 30 minutes after consuming reheated fried rice. After 6 hours, a 1-year-old brother died of acute encephalopathy. A 2-year-old sister who presented with unconsciousness recovered rapidly after plasma exchange and subsequent hemodialysis. Their mother recovered soon by fluid therapy. From leftover fried rice and the children's stomach contents, B cereus was isolated. Serum cereulide was detected in both children; it decreased to an undetected level in the sister. These cases highlight the importance of measuring the value of cereulide, which would reflect the severity of B cereus emetic food poisoning. The cases also suggest the possible role of blood-purification therapy in severe cases.

ECG was a safe and reliable method for showing HR, and was used to determine the initiation and the effectiveness of resuscitation in the delivery room.

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This report describes a small-for-date extremely low birth weight infant who manifested bradycardic events, respiratory failure, and hemolytic jaundice during her first week of life. These complications were attributed to severe hypophosphatemia and hypokalemia. Inadequate supply and refeeding syndrome triggered by early aggressive parenteral nutrition were responsible for electrolyte abnormalities.

We describe two previously healthy children who had multiple ecchymoses several days after acute infection. In both cases, the prothrombin time (PT) and the activated partial thromboplastin time (APTT) were prolonged. Further examinations revealed the presence of lupus anticoagulant (LA), phosphatidylserine-dependent antiprothrombin antibodies (aPS/PT), and low serum complement. In both cases, we confirmed the presence of a serum immune complex. The patients' symptoms improved spontaneously within 1 week, and all laboratory data normalized within several months. We also describe another asymptomatic case positive for LA and aPS/PT presumably associated with cytomegalovirus infection. The prevalence of transient antiphospholipid antibodies associated with viral infections in children must be much higher than we expected. We have to take it into consideration when we see abnormal coagulation results, but the occurrence of significant bleeding symptoms is rare.