Cervical spine fracture (C1-C7)MANAGEMENT

SPINE · 12 SECTIONS

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474 items

☷ Legend

01Approach to the Critical Patient/attcp42

Immediate priorities

›Cervical spine injury stabilization

›Manual in-line stabilization for airway interventions

›Rigid cervical collar plus blocks plus tape

›Remove collar temporarily only with manual in-line stabilization for airway access

›Airway and ventilation risk

›High cervical cord injury suspicion with hypoventilation

›Early airway planning for declining mental status or fatigue

›Avoid hyperextension during laryngoscopy

›Neuroprotection and perfusion

›Spinal cord injury suspicion

›Mean arterial pressure target 85 to 90 mmHg for first 5 to 7 days when feasible (Class IIa)

›Hypotension avoidance

›Neurogenic shock pattern

›Bradycardia with hypotension

›Norepinephrine infusion for MAP target when needed (Class IIa)

Time-critical threats

›High-risk cervical injury triggers

›Atlanto-occipital dislocation suspicion

›Profound neurologic deficit or apnea

›High-energy trauma with craniofacial injury

›Occipital pain with severe neck pain

›Immediate neurosurgery or spine surgery activation

›Unilateral or bilateral facet dislocation suspicion

›Fixed rotated neck posture

›Severe neck pain with radicular symptoms

›Urgent reduction pathway if neurologic deficit

›Open cervical injury suspicion

›Penetrating trauma near cervical spine

›Antibiotics and tetanus pathway

›Vascular injury triggers

›Blunt cerebrovascular injury risk

›Atlanto-occipital dislocation

›C1 to C3 fractures

›Subluxation or facet dislocation

›Foramen transversarium involvement on CT

›CTA head and neck (Class I for screening in high-risk patterns)

Key concepts

›Cervical spine injury framing

›Unstable ligament injury risk despite normal radiographs

›Occult fracture risk with persistent midline tenderness

›Neurologic status documentation before and after immobilization

›Steroids in acute spinal cord injury

›Routine high-dose methylprednisolone not recommended (Class III harm signal in many guidelines)

›Specialist-directed use only in select contexts

02History/hx34

Mechanism and risk mapping

›Mechanism patterns

›High-energy MVC or rollover

›Atlanto-occipital dislocation risk

›Odontoid fracture risk

›Subaxial fracture risk

›Axial load

›Jefferson fracture risk

›Burst-type subaxial fracture risk

›Hyperextension

›Hangman fracture risk

›Central cord syndrome risk

›Hyperflexion or rotation

›Unilateral or bilateral facet dislocation risk

›Sudden deceleration with seatbelt

›Subaxial fracture and ligament injury risk

›Symptom timeline

›Immediate neck pain

›Delayed pain and stiffness

›Progressive neurologic symptoms

›Neurologic symptoms

›Weakness

›Numbness or paresthesia

›Gait disturbance

›Bowel or bladder dysfunction

›Red flags

›Loss of consciousness

›Severe occipital headache

›Dysphagia or hoarseness

›Dyspnea

›Risk modifiers

›Older age

›Known ankylosing spondylitis or diffuse idiopathic skeletal hyperostosis

›Anticoagulants or bleeding disorder

›Prior cervical surgery or hardware

03Physical Exam/exam30

Primary survey aligned exam

›Vital sign patterns

›Hypotension with bradycardia

›Hypoxia or hypoventilation

›Neck inspection

›Midline tenderness

›Deformity or step-off

›Swelling or ecchymosis

›Torticollis or fixed rotation

›Neurologic exam

›GCS

›Cranial nerve deficits

›Motor strength by myotome

›Sensation by dermatome

›Reflexes

›Rectal tone if cord injury concern

›Associated injuries

›Facial trauma

›Mandibular fracture

›Scalp laceration

›Thoracic injury

PITFALLS

›Painless severe instability

›Altered sensorium

›Intoxication

›Distracting injuries

›Normal plain films with unstable ligament injury

›Persistent midline tenderness

›Neurologic symptoms

›Missed facet dislocation

›Inadequate lateral view or poor CT reformats

›Reliance on single view without CT

04Differential Diagnosis/ddx40

Cervical injury syndromes and mimics

›Fracture and dislocation patterns

›Atlanto-occipital dislocation

›ICD-10 S13.0

›High lethality and instability

›Atlas fracture

›Jefferson fracture

›ICD-10 S12.0

›Axis fractures

›Odontoid fracture Type I

›ICD-10 S12.1

›Odontoid fracture Type II

›ICD-10 S12.1

›Odontoid fracture Type III

›ICD-10 S12.1

›Hangman fracture

›Traumatic spondylolisthesis of C2

›ICD-10 S12.1

›Subaxial fractures C3 to C7

›Compression fracture

›Burst fracture

›Teardrop fracture

›ICD-10 S12.2 to S12.7

›Facet dislocation

›Unilateral

›ICD-10 S13.1

›Bilateral

›ICD-10 S13.1

›Clay shoveler fracture

›Spinous process fracture C6 to T1 typical

›ICD-10 S12.2 to S12.7 or S12.8 depending level

›Cervical sprain and whiplash associated disorder

›ICD-10 S13.4

›Neurologic emergencies

›Central cord syndrome

›Anterior cord syndrome

›Brown-Sequard syndrome

›Non-spine mimics

›Vertebral artery dissection

›Concussion with neck pain

›Retropharyngeal hematoma

05Laboratory Tests/lt17

Targeted labs by scenario

›Trauma baseline labs

›Complete blood count for polytrauma or bleeding concern

›Hemoglobin trend for occult hemorrhage

›Platelet count for procedural planning

›Electrolytes and creatinine for contrast imaging pathway

›eGFR for CTA planning

›Potassium for arrhythmia risk

›Coagulation studies for anticoagulant use or planned procedure

›INR

›aPTT

›Type and screen for operative pathway or major trauma

›Crossmatch trigger if hemodynamic instability

›Massive transfusion protocol trigger if shock physiology

›Infection and open injury context

›WBC and lactate for sepsis concern unrelated to trauma

›Alternative diagnosis if fever present

›Source evaluation if systemic signs

06Diagnostic Tests/dt90

Scoring Systems

›Cervical spine clearance decision rules

›Canadian C-Spine Rule

›High-risk factors

›Age 65 years or older

›Dangerous mechanism

›Paresthesias in extremities

›Low-risk factors allowing ROM assessment

›Simple rear-end MVC

›Sitting position in ED

›Ambulatory at any time

›Delayed onset neck pain

›No midline tenderness

›Active neck rotation 45 degrees left and right

›If unable then imaging

›NEXUS criteria

›No midline tenderness

›No focal neurologic deficit

›Normal alertness

›No intoxication

›No distracting injury

›Subaxial injury classification

›AO Spine Subaxial Classification

›Morphology type A compression

›Morphology type B tension band

›Morphology type C translation

›Facet modifier

›Neurologic status modifier

›Odontoid classification

›Anderson and DAlonzo Type I to III

›Type II nonunion risk

›Type III better healing potential

Radiographs

›Plain radiographs role

›Limited use in high-risk blunt trauma

›Consider only in low-risk with reliable exam when CT not available

›Standard views if used

›Lateral

›AP

›Open-mouth odontoid

›Adequacy criteria

›Visualization to C7 to T1 junction

›Prevertebral soft tissue swelling

›Alignment lines

›Post-reduction imaging

›Facet reduction confirmation

›Immobilization alignment check

MRI

›Indications

›Neurologic deficit with CT without clear explanation

›Suspected ligament injury with persistent midline pain and negative CT in select contexts

›Spinal epidural hematoma suspicion

›Disc herniation concern before facet reduction in obtunded or high-risk

›Key findings

›Ligament disruption

›Cord edema

›Cord hemorrhage

›Acute disc extrusion

›Limitations

›Time to scan in unstable patient

›Motion artifact in pain

›First-line imaging in moderate to high-risk blunt trauma

›Multidetector CT C spine with sagittal and coronal reformats

›Occiput to T1 coverage

›Injury-specific CT pearls

›Atlanto-occipital dislocation

›Occipital condyle to atlas alignment assessment

›Basion to dens interval abnormality

›Immediate spine surgery consultation

›Jefferson fracture

›C1 ring fractures

›Lateral mass displacement

›Transverse ligament injury suspicion

›Odontoid fracture

›Fracture line location and displacement

›Comminution and angulation for operative planning

›Hangman fracture

›Pars interarticularis fractures

›C2 to C3 displacement

›Subaxial fractures

›Facet fractures and perched facets

›Teardrop morphology

›Canal compromise

›Clay shoveler fracture

›Isolated spinous process fracture

›Usually stable

›CTA head and neck indications

›Blunt cerebrovascular injury screening patterns

›Atlanto-occipital dislocation

›Upper cervical fractures C1 to C3

›Subluxation or facet dislocation

›Foramen transversarium involvement

›Neurologic deficits not explained by head CT

07Disposition/dispo28

Level of care and consultation

›Admission and monitoring criteria

›Any unstable fracture or dislocation

›Atlanto-occipital dislocation

›Jefferson fracture with instability markers

›Odontoid Type II displaced

›Hangman fracture unstable

›Subaxial fracture with malalignment

›Unilateral or bilateral facet dislocation

›Any neurologic deficit

›ICU or monitored bed consideration

›Spine surgery admission

›Severe pain requiring parenteral opioids

›Observation unit if stable imaging and no deficit

›Transfer criteria

›No spine surgery capability with unstable injury

›Need for halo placement or urgent fixation

›Suspected blunt cerebrovascular injury needing CTA and specialist management

›Discharge criteria

›Cervical sprain or whiplash with normal neuro exam

›No high-risk criteria for imaging or imaging negative

›Reliable follow-up

›Pain controlled with oral regimen

›Follow-up timing

›Suspected stable fracture managed nonoperatively

›Spine surgery follow-up within 7 days

›Repeat imaging plan per specialist

›Whiplash

›Primary care or sports medicine within 1 to 2 weeks

08Treatment/t94

Immediate life-saving interventions

›Airway and breathing stabilization

›Rapid sequence intubation with manual in-line stabilization when needed

›Bag-mask ventilation with jaw thrust

›Supraglottic airway backup

›Hemodynamic support for spinal cord injury

›MAP target support

›Isotonic crystalloid bolus if hypovolemic

›Vasopressor if neurogenic shock

›Norepinephrine infusion

›Initiate 0.05 micrograms per kg per minute

›Titrate every 2 to 5 minutes to MAP target

›Typical range 0.05 to 0.5 micrograms per kg per minute

›Neurologic deterioration response

›Escalate to resuscitation bay for declining motor exam

›Emergent spine surgery activation for cord compression concern

Immobilization and Splinting

›Cervical immobilization options

›Rigid cervical collar

›First-line in ED for most suspected injuries

›Skin breakdown risk with prolonged use

›Cervicothoracic orthosis

›Better lower cervical control than collar alone

›Consider for stable subaxial fractures per specialist

›Halo vest

›Severe instability when operative delay or nonoperative plan

›Requires specialist placement and monitoring

›Immobilization principles

›Neutral alignment

›Avoid traction in atlanto-occipital dislocation

›Neuro exam documentation before and after immobilization

Reduction

›Reduction indications

›Facet dislocation with neurologic deficit

›Progressive deficit with malalignment

›Threatened airway due to deformity uncommon

›Contraindications and caution triggers

›Atlanto-occipital dislocation

›No traction reduction attempts

›Immediate operative stabilization pathway

›Suspected disc herniation risk

›Consider MRI before traction in selected cases per specialist

›Analgesia and anesthesia for reduction

›Analgesia base

›Acetaminophen PO 1000 mg once

›Ibuprofen PO 400 mg once if no contraindication

›Opioid titration

›Fentanyl IV

›Initiate 0.5 micrograms per kg

›Repeat 0.25 micrograms per kg every 5 minutes as needed

›Maximum based on respiratory status

›Procedural sedation when required

›Ketamine IV

›Initiate 1 mg per kg

›Additional 0.5 mg per kg every 5 to 10 minutes as needed

›Propofol IV

›Initiate 0.5 mg per kg

›Additional 0.25 to 0.5 mg per kg every 2 to 3 minutes as needed

›Monitoring requirements

›Continuous ECG

›Continuous pulse oximetry

›Capnography

›Resuscitation airway equipment at bedside

›Closed traction reduction pathway for facet dislocation

›Specialist involvement

›Spine surgery present or immediately available

›Gardner-Wells tongs or equivalent

›Incremental weights per protocol

›Neuro exam reassessment after each increment

›Post-reduction immobilization

›Rigid collar or halo per stability

›Post-reduction CT confirmation

›Failed reduction pathway

›Persistent malalignment

›Urgent operative reduction

›Worsening neurologic exam

›Immediate cessation of traction

›Emergent MRI consideration

›Emergent decompression pathway

Open fracture medications and timing

›Open cervical fracture or penetrating injury coverage

›Cefazolin IV 2 g

›Repeat every 8 hours

›Duration per operative plan

›If severe beta-lactam allergy

›Clindamycin IV 900 mg

›Repeat every 8 hours

›Contamination escalation

›Gross contamination or farm exposure

›Add gentamicin IV 5 mg per kg once daily

›Tetanus prophylaxis

›Unknown or incomplete immunization

›Tdap IM

›Tetanus immune globulin IM

DVT prophylaxis when relevant

›Immobilized spinal injury risk

›Pharmacologic prophylaxis per trauma protocol when no contraindication

›Mechanical prophylaxis when pharmacologic contraindicated

›Timing coordinated with spine surgery and bleeding risk

09Special Populations/sp20

Pregnancy

›Pregnancy considerations

›Left lateral tilt to reduce aortocaval compression

›Imaging radiation counseling and shielding when feasible

›CT use when benefits outweigh risks

›Analgesia selection

›Acetaminophen preferred

›NSAID avoidance in third trimester

›Opioid short-course with monitoring when needed

Geriatric

›Older adult considerations

›Odontoid Type II higher incidence and nonunion risk

›Lower threshold for CT imaging

›Higher intolerance of halo complications

›Delirium risk with opioids and sedatives

›Osteoporosis and fragility context

Pediatrics

›Pediatric considerations

›Higher ligamentous injury proportion in young children

›SCIWORA risk

›Growth plate and alignment differences

›Weight-based medication dosing

›Nonaccidental trauma consideration when history inconsistent

10Background/b48

Epidemiology

›Epidemiology and frequency patterns

›C1 fractures associated with axial load mechanisms

›Odontoid fractures common in older adults after low-energy falls

›Facet dislocations linked to high-energy flexion rotation injuries

›Clay shoveler fractures often stable and associated with direct trauma or muscle pull

Pathophysiology

›Anatomic risk relationships

›Atlanto-occipital joint ligament disruption

›Alar ligaments failure

›Tectorial membrane disruption

›Immediate instability

›Jefferson fracture mechanics

›Axial load ring burst

›Transverse ligament injury drives instability

›Odontoid fracture mechanics

›Type II through dens base with nonunion risk

›Type III into C2 body with better healing surface

›Hangman fracture mechanics

›Hyperextension with distraction

›Pars fractures with C2 to C3 translation

›Facet dislocation mechanics

›Perched facet with partial translation

›Locked facet with significant translation and instability

›Whiplash mechanisms

›Rapid acceleration deceleration soft tissue strain

Therapeutic Considerations

›Operative versus nonoperative themes

›Stability drives management

›Ligament injury and malalignment as instability markers

›Neurologic deficit as urgency marker

›Atlanto-occipital dislocation

›Urgent occipitocervical fusion typical

›External immobilization alone usually inadequate

›Jefferson fracture

›Stable patterns with collar or CTO

›Unstable transverse ligament injury with halo or fixation

›Odontoid fractures

›Type I usually collar

›Type II often fixation in younger or displaced

›Type III often collar or halo with union monitoring

›Hangman fracture

›Stable minimal displacement with collar

›Unstable with significant translation needing halo or fixation

›Facet dislocation

›Closed reduction plus surgical stabilization commonly

›Clay shoveler fracture

›Symptomatic care and short-term immobilization

›Whiplash

›Early mobilization and return to activity

›Prolonged collar use associated with delayed recovery

11Patient Discharge Instructions/pdi23

Copy discharge instructions

›Discharge instructions package

›Collar care and skin checks

›Activity restrictions

›No contact sports

›No heavy lifting

›Driving restriction while in collar and on sedating meds

›Pain control plan

›Acetaminophen scheduled dosing within safe daily limit

›NSAID use if appropriate

›Short opioid course only if needed

›Ice and heat guidance

›Gentle range of motion only if cleared and imaging negative

›Return to ED criteria

›New weakness

›New numbness or tingling

›Trouble walking

›Bowel or bladder changes

›Severe worsening pain

›Fainting or repeated vomiting

›Severe headache with neurologic symptoms

›Follow-up plan

›Spine clinic appointment timing

›Repeat imaging plan if arranged

12References/r8

Clinical guidelines and core sources

›Reference set

›ATLS spine trauma principles

›AO Spine Subaxial Cervical Spine Injury Classification

›EAST blunt cerebrovascular injury screening guidelines

›AANS and CNS cervical spine injury management guidance

›Canadian C-Spine Rule derivation and validation studies

›NEXUS cervical spine clearance study

›ACS TQIP spine injury best practices

Evidence & Review

Reviewed by SymptomDx Medical Team · Last reviewed March 6, 2026

SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.