Could this patient have an intracranial hemorrhage given her recent head injury, delayed dizziness, abnormal head sensation, inability to recall how she braced the fall, and neck pain?

Could This Be an Intracranial Hemorrhage?

Yes, intracranial hemorrhage must be strongly considered and ruled out with immediate head CT imaging given this patient's recent head injury with delayed neurological symptoms (dizziness, abnormal head sensation), inability to recall the mechanism of injury (suggesting possible loss of consciousness or amnesia), and neck pain. 1

Why This Patient Requires Urgent Imaging

The constellation of symptoms raises significant concern:

• Delayed onset of dizziness and abnormal head sensations after head trauma is a red flag for evolving intracranial pathology
• Inability to recall how she braced the fall suggests possible loss of consciousness (LOC) or post-traumatic amnesia—both indicators of mild traumatic brain injury (mTBI) requiring imaging 1
• Neck pain could indicate cervical injury but does not exclude intracranial hemorrhage
• The delayed presentation of symptoms is particularly concerning, as delayed intracranial hemorrhage (DICH) can occur hours to days after initial trauma 2

Critical Risk Stratification

High-Risk Features Present in This Case:

• Post-traumatic amnesia (inability to recall fall mechanism)
• Delayed neurological symptoms (dizziness, abnormal sensations)
• Possible LOC (suggested by memory gap)

Additional Risk Factors to Assess Immediately:

• Age >65 years: Significantly increases ICH risk 1
• Anticoagulant use (warfarin, NOACs like apixaban/rivaroxaban): Increases ICH risk from 1.5% to 3.9% for warfarin 1
• Antiplatelet agents (clopidogrel, ticagrelor): Confer similar hemorrhage risk 1
• Aspirin use in elderly patients: 4% delayed ICH rate in patients ≥65 years, with potential for neurosurgical intervention 1

Immediate Management Algorithm

1. Obtain Non-Contrast Head CT Immediately

This is the gold standard for detecting acute intracranial hemorrhage 3. Do not delay imaging based on normal neurological examination—CT has high sensitivity for clinically significant injuries requiring intervention.

2. Document Glasgow Coma Scale (GCS)

• GCS ≥14 defines mild TBI, but any score <15 warrants admission and observation 1
• Serial neurological examinations are essential

3. Assess for Anticoagulation/Antiplatelet Use

If the patient is on these medications:

• Initial CT is mandatory regardless of symptom severity 1
• The threshold for imaging is "very low because of the consequences of potentially missing an early hemorrhage" 1

What About Delayed Hemorrhage?

If initial CT is negative but patient is on anticoagulants/antiplatelets:

• Risk of delayed ICH ranges from 0.6% to 6% depending on medication 1
• For patients on warfarin or NOACs with normal initial CT and normal neurological exam: Can be safely discharged with clear return precautions 1
• For elderly patients (≥65) on aspirin with high-risk features (LOC, amnesia, GCS <15): Consider observation period or repeat CT at 4-6 hours if not admitting 1

If initial CT is negative and patient is NOT on anticoagulants:

• Delayed ICH risk is extremely low (0.3% overall) 4
• Most delayed hemorrhages are clinically insignificant and rarely require intervention 5, 4

Critical Pitfalls to Avoid

1. Do not dismiss delayed symptoms as "just a concussion" without imaging—this patient's inability to recall the fall mechanism and delayed dizziness mandate CT evaluation

2. Do not assume neck pain alone explains all symptoms—while cervicogenic symptoms can mimic concussion 6, you cannot exclude ICH without imaging in the setting of head trauma with amnesia

3. Do not rely solely on normal neurological examination—patients can have normal exams with significant intracranial pathology, especially early in presentation 1

4. If patient is elderly on aspirin: This combination has shown 4% delayed ICH rate with potential mortality 1—lower threshold for admission/observation

Disposition Based on CT Results

If CT shows hemorrhage:

• Neurosurgical consultation
• Admission for monitoring
• Consider reversal agents if on anticoagulation

If CT is negative and patient neurologically intact:

• Not on anticoagulants/antiplatelets: Can discharge with strict return precautions for worsening headache, vomiting, confusion, weakness, or seizures
• On anticoagulants (warfarin/NOACs) or clopidogrel/ticagrelor: Can discharge after brief observation with detailed return instructions 1
• Elderly (≥65) on aspirin with high-risk features: Consider 4-6 hour observation or repeat CT before discharge 1

Bottom line: This patient needs immediate head CT imaging. The combination of head trauma, delayed neurological symptoms, and inability to recall the injury mechanism creates sufficient concern for intracranial hemorrhage that imaging cannot be deferred.