Emergency Medicine Journal 2009;26:308
© 2009 BMJ Publishing Group Ltd and the College of Emergency Medicine.
EMQ ANSWERS
For questions on page
237
| The first 150 words of the full text of this article appear below. |
ANSWER 1
- True. Anteroposterior and lateral views only required.1
- True. 14% of the same age group will have pseudosubluxation at C3/C4. Other normal variants include absence of lordosis, epiphyseal variations, unfused synchondroses and incomplete ossification.2
- True. Thirty of 19 538 (0.15%) children from the TARN database had SCIWORA representing nearly a third of those with spinal cord injury.3
- False. 1600 ml. The formula is percentage burn x weight (kg) x 4. Half of this should be given in the first 8 h following the time of their burn. This is only an initial estimate; subsequent therapy will be guided by urine output, 2 ml/kg per hour or more required.4
ANSWER 2
- True. This is because maximum capsular pressure exists when the hip is extended and internally rotated.
- False The evidence base is weak; neither test has sufficient sensitivity to be used in isolation.5 6 Those children with a high pretest probability for septic arthritis but
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