January 2009 Clinical Update CME Questions

Answer true or false

1. Axillary temperature measurements are more accurate than tympanic measurements in adults

2. Oral temperature readings are approximately 0.5 degree lower than axillary

3. Length-based estimates of children’s weights are more accurate than age-based estimates

4. The administration of CPAP in the pre-hospital environment does not require a dedicated NIV ventilator

5. Central venous oxygen saturation of 70% is not a reliable goal in resuscitated septic shock patients in ICU

6. Passive leg raising as a predictor of fluid responsiveness is best done on a supine patient

7. Oral decontamination of ICU patients is almost as effective as selective decontamination of the digestive tract (SDD) with a number needed to treat (NNT) of approxmately 35

8. Risk of death increases sharply when pre-hospital systolic blood pressure is less than 90 mmHg when compared with less than 100 mmHg

9. Standard Operating Procedures for trauma care are useful in the field, but there is no evidence to support their use in the emergency department

10. A large difference in pCO2 between central venous and arterial blood may indicate global tissue hypoperfusion