Resuscitation
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To demonstrate that successful intraosseous infusion in critically ill patients does not require bone that contains a medullary cavity. ⋯ Successful intraosseous infusion does not always require injection into a bone with a medullary cavity. Practitioners attempting intraosseous access on critically ill patients in the emergency department or prehospital setting need not restrict themselves to such bones. Calcaneus and radial styloid are both an acceptable alternative to traditional recommended sites.