ou are called to the bedside of a patient admitted to the pediatric intensive care unit (picu) for a 22-month-old patient in severe respiratory distress. the patient has a patent airway, is tachypneic with an increased work of breathing, has as a pulse rate of 150 beats per minute, with no neurologic deficits, and is normothermic. what mnemonic should be used to aid the performance of a secondary assessment?