Acute myeloblastic leukemia and recombinant granulocyte colony stimulating factor.

instructions, Fenem, New York), but, given the circumstances in which it would most rewardingly be used-cardiac arrests, resuscitation on the ward or in the emergency room, and resuscitation outside hospital by paramedical staff-this is not enough. The device has been shown to be ineffective when wet2; when very cold; when contaminated with lignocaine, atropine, adrenaline, or bicarbonate (which may need to be given through the endotracheal tube); and in the presence of gastric contents.3 It may also give a misleading result in cardiac arrest and severe shock which, although due to ineffective resuscitation, may convince the user that the endotracheal tube is in the wrong position and thus lead to unnecessary extubation4