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TBI - Understanding Current Therapies | CT Scan Breakdown- Part I



Subdural Bleed - New


Note:  The Blue arrow showing newer bleeding based on the white-ligher area.  The RED arrow is showing the shift past midline called a subfalcine herniation.  


Subdural Bleed - Older

Subdural old

Note:  The right side of the CT scan shows the darker area that is Black in color. This represents an older subdural bleed and is not considered an acute finding.  Although significant, it most likely has manifested over hours to days.



Epidural Hematoma


Note:  As we discussed in the podcast, the Epidural Hematoma will manifest and show on the CT scan as a perfect "TINTING" of the dura mater.  This looks very similar to the pupil in your eye.  Note the difference in the subdural bleed above, and how the blood follows the contour of the subarachnoid membrane. In the Epidural Hematoma, the thick dura mater doesn't allow this to occur.  Remember, to always attempt to see the CT scan prior to transferring a patient.  Understanding the patient is suffering from an Epidural vs Subdural is very important and will help you make better decisions regarding airway management. 


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