By vgreene, 20 January, 2015 If CTA or MRA results uncertain/high clinical suspicion, proceed to conventional angiography<sup>15,16</sup>
By vgreene, 20 January, 2015 MRA w/o contrast [4,3] preferred; CTA<sup>14</sup> w/ contrast may be used for problem solving [4,1]
By vgreene, 20 January, 2015 If clinical status discordant w/ (-) CT findings, mod to severe trauma, or suspected NAT,<sup>10</sup> consider MRI head<sup>11,12</sup> [7]
By vgreene, 20 January, 2015 If clinical assessment uncertain/indeterminate, consider CT head w/o contrast<sup>8,9</sup> [3]
By vgreene, 20 January, 2015 Pediatric Head Trauma Imaging: 2014 ACR Appropriateness Criteria | epocrates Guideline Synopsis
By vgreene, 20 January, 2015 Ryan ME, Palasis S, et al. ACR Appropriateness Criteria. Head Trauma—Child. <i>J Am Coll Radiol</i>. 2014;11:939-47.