Head Trauma

EM Clerkship - A podcast by Zack Olson, MD and Michael Estephan, MD

Categories:

CT scan without contrast is your test of choice. Step 1: Consider Your Differential Diagnoses * Five high-yield head trauma diagnoses* Skull fracture* External skull fracture* Basilar skull fracture* Epidural hematoma* Subdural hematoma* Traumatic subarachnoid hemorrhage (SAH)* Concussion Step 2: Important Add-ons When Taking History * Specific mechanism of injury* Loss of consciousness* Blood thinners/antiplatelet agents Step 3: Important Add-ons To Your Physical Exam * GCS Score (MDCalc)* Pupils* Basilar Skull Findings* Raccoon eyes* Battle sign* CSF rhinorrhea* Hemotympanum Step 4: Calculate Canadian Head CT Rule * Only apply to patients with…* Loss of consciousness* Amnesia to event* Witnessed disorientation* Exclude patients with* Blood thinners* Seizure(s)* Age <16* High risk criteria* GCS <15 2 hours post injury* Suspected open/depressed skull fracture* Signs of basilar skull fracture* 2 or more episodes of vomiting* Age >65* “Moderate” risk criteria* Retrograde amnesia >30 minutes* Dangerous mechanism* Fall >3 ft* Motor vs pedestrian* Ejected from MVA Additional Reading * Canadian CT Head Injury/Trauma Rule (MDCalc)* Evaluation and Management of Concussion in Sports (AAN)