Ct Overview
Ct Head Search Pattern "Blood Can Be Very Bad" Blood - (#3 on Synapse=Window/Level of 150/50Hu); Epidural (Lentiform), Subdural (Crescent), Subarachnoid...
CT Head search pattern
"Blood Can Be Very Bad"
- Blood - (#3 on Synapse=Window/Level of 150/50HU); epidural (lentiform), subdural (crescent), subarachnoid (cisterns, sulci, dependent ventricles), intraparenchymal
- Cisterns - look for effacement/blood/symmetry; suprasellar 6 point star (interhemispheric, sylvian, ambient/circumesencephalic, interpeduncular), quadrigeminal plate, cisterna magna
- Brain - (#5 on Synapse=Window/Level of 45/35HU); Symmetry (gyri/sulci); Gray-white differentiation (isular ribbon sign); midline shift; Hyper-/hypodensity (increased=blood, calcification, intravenous contrast media, hyperdense MCA sign); (decreased=pneumocephalus, fat, CVA, tumor)
- Ventricles - lateral, 3rd, 4th; look for dilatation, effacement, shift, blood
- Bone - sinuses/air cells; skull fractues; scout film to evaluate superior cervical spine
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