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Table 3 Ratings of the essential items from the modified Delphi process

From: Brain computerized tomography reading in suspected acute ischemic stroke patients: what are essentials for medical students?

  Rating scores  
9 (Strong agreement) 8 (Agreement) 7 (Agreement)
1. Check patient’s ID 1. Sequential reading from extra-axial to intra-axial 1. Identify skull fracture
2. Mass effect, mid-line shift, or herniation 2. Identify the symmetry of the bilateral hemispheres 2. Identify skull destruction
3. Low density (edematous lesion and recent infarcts) 3. Epidural and subdural space 3. Identify skull mass lesion or osteoblastic lesion
  4. Lateral ventricles 4. Interhemispheric fissure
  5. Anterior and posterior horns of lateral ventricles 5. Sylvian fissure
  6. ACA territory 6. Temporal horns of lateral ventricles
  7. PCA territory 7. Fourth ventricle
  8. MCA territory, basal ganglia and thalamus 8. Cerebellopontine angle
  9. Pons 9. Sella lesion
  10. Hematoma density 10. Hyperdense MCA sign
  11. Physiological calcification density 11. Hyperdense BA sign
  12. Very low density (CSF and old lesions) 12. Veins: Dense sinus signs of CVT
  13. Identify mass-like lesions 13. Orbital cavity (ophthalmic vein enlargement, orbital mass)
   14. MCA-ACA border zone
   15. MCA-PCA border zone
   16. Temporal lobes
   17. Mid-brain
   18. Medulla
   19. Symmetry, hyperdensity, and hypodensity of the bilateral cerebellar hemispheres.
   20. Hematoma with blended sign, whirl sign, spot sign, or black hole sign
   21. Low density mixed with hyper-density (hemorrhagic infarct)
   22. ABBBC (Air-Blood-Bone-Brain-CSF) mnemonic
  1. ID identification, MCA middle cerebral artery, ACA anterior cerebral artery, PCA posterior cerebral artery, CVT cerebral venous thrombosis, CT computerized tomography, CSF cerebrospinal fluid