Rotator cuff tear (acute traumatic)MANAGEMENT

TRAUMA PRESENTATIONS · 12 SECTIONS

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300 items

☷ Legend

01Approach to the Critical Patient/attcp30

Immediate priorities

›Immediate stabilization priorities

›If airway or breathing compromise, resuscitation pathway

›If high-energy trauma, concurrent polytrauma evaluation

›If hemodynamic instability, hemorrhage source evaluation

›If expanding shoulder hematoma, vascular injury concern

›Neurovascular limb threat screen

›If absent distal pulses, immediate reduction if dislocation suspected and emergent vascular consult

›If progressive paresthesia or weakness, urgent ortho evaluation

›Associated injury screen

›Cervical spine injury risk with high-energy mechanism

›Head injury or syncope preceding fall

Key decision points

›Disposition-critical decision points

›Suspected shoulder dislocation or proximal humerus fracture first, then rotator cuff evaluation

›Post-reduction reassessment for persistent weakness and cuff tear

›Acute traumatic full-thickness rotator cuff tear likelihood

›Age >40 with fall on outstretched hand

›Sudden pain with immediate loss of active elevation

›Time-sensitive ortho referral triggers

›Young or highly active patient with suspected full-thickness tear

›Pseudoparalysis with preserved passive range of motion

Documentation essentials

›High-yield documentation set

›Mechanism and time of injury

›Fall, traction, direct blow, dislocation event

›Baseline function and dominance

›Work and sport demands

›Neurovascular exam before and after any reduction

›Axillary nerve sensory over lateral deltoid

›Deltoid contraction

›Pain control response and range of motion pattern

›Active limitation out of proportion to passive limitation

02History/hx21

Presenting pattern

›Classic acute traumatic cuff tear pattern

›Sudden shoulder pain after trauma

›Pop or tearing sensation

›Immediate weakness with overhead motion

›Inability to actively abduct or elevate

›Night pain and difficulty lying on affected side

›Sleep disruption

Key history elements

›Targeted history elements

›Shoulder dislocation history

›Self-reduction or prior instability episodes

›Functional deficit description

›Pseudoparalysis

›Drop arm during controlled lowering

›Prior shoulder symptoms

›Chronic impingement pain suggesting pre-existing degeneration

›Risk modifiers

›Age-related degeneration risk

›Anticoagulant use and bleeding risk

›Red flags

›Neck pain with neurologic symptoms into hand

›Fever or immunosuppression with atraumatic onset

03Physical Exam/exam30

Inspection and basic function

›General shoulder exam framework

›Deformity and contour

›Anterior fullness or squared-off shoulder suggesting dislocation

›Ecchymosis and swelling pattern

›Anterior arm bruising suggesting biceps injury

›Active versus passive range of motion

›Preserved passive range with markedly reduced active elevation

Strength and provocative maneuvers

›Rotator cuff focused maneuvers

›Supraspinatus assessment

›Empty can or Jobe test weakness

›Drop arm sign

›Infraspinatus and teres minor assessment

›External rotation weakness

›External rotation lag sign

›Subscapularis assessment

›Lift-off weakness

›Belly-press weakness

›Pain-limited testing caveat

›If pain prohibits exam, reassess after analgesia

Neurovascular and associated exam

›Neurovascular and regional exam

›Axillary nerve function

›Lateral deltoid sensation

›Deltoid strength

›Distal perfusion

›Radial pulse symmetry

›Capillary refill

›Cervical spine screening

›Spurling provocation if radicular symptoms

›Scapular dyskinesis and AC joint tenderness

›AC joint injury mimic

04Differential Diagnosis/ddx30

Life-threatening or limb-threatening considerations

›High-risk alternatives

›Glenohumeral dislocation with neurovascular injury

›Axillary artery injury

›Axillary nerve neuropraxia

›Proximal humerus fracture

›Surgical neck fracture

›Greater tuberosity fracture

›Septic arthritis

›Fever and atraumatic severe pain

Common mimics and related pathology

›Musculoskeletal mimics

›Long head biceps tendon rupture

›Popeye deformity

›Supination pain

›AC joint sprain or separation

›Superior shoulder pain

›Rotator cuff contusion or strain

›Rapid improvement over days

›Labral tear

›Mechanical catching

›Cervical radiculopathy

›Neck pain with dermatomal symptoms

›Adhesive capsulitis

›Reduced passive range of motion

Coding alignment

›Coding and terminology mapping

›ICD-10 acute rotator cuff tear

›M75.1 rotator cuff tear or rupture, not specified as traumatic

›S46.0X rotator cuff muscle and tendon injury at shoulder and upper arm level, traumatic category

›SNOMED CT concepts

›Rotator cuff tear

›Traumatic rupture of rotator cuff tendon

05Laboratory Tests/lt15

When labs are useful

›Selective lab strategy

›No routine labs for isolated suspected cuff tear

›Imaging-driven diagnosis predominates

›If operative planning or significant comorbidity

›Hemoglobin for significant ecchymosis or anticoagulation

›INR if warfarin use and bleeding concern

Infection or systemic concern

›Infection evaluation set

›If fever, erythema, atraumatic severe pain, or immunosuppression

›White blood cell count for systemic inflammation support

›C-reactive protein for inflammatory signal

›Blood cultures if septic physiology

Co-injury evaluation

›Trauma-related labs

›If polytrauma or high-energy mechanism

›Type and screen if hemorrhage concern

›Basic metabolic panel for analgesic planning and renal risk

06Diagnostic Tests/dt32

Scoring Systems

›Symptom and function scales

›QuickDASH

›Baseline disability tracking for follow-up

›ASES score

›Specialist clinic outcome tracking

›Constant-Murley score

›Post-treatment recovery tracking

MRI

›MRI shoulder utility

›Best modality for tear characterization

›Full-thickness versus partial-thickness

›Tendon retraction and muscle atrophy

›Timing considerations in acute trauma

›Early MRI if high suspicion and surgical candidacy

›Pitfalls

›Pain-related guarding can mimic weakness, MRI clarifies anatomy

›CT indications in acute traumatic shoulder pain

›Occult fracture concern with negative radiographs

›Greater tuberosity fracture

›Glenoid rim fracture

›Preoperative bony detail needs

›Complex proximal humerus fracture patterns

›Not primary for cuff tendon visualization

›Tendon assessment limited compared with MRI and ultrasound

Ultrasound (or US)

›Ultrasound applications

›Point-of-care ultrasound for rotator cuff

›Full-thickness tear signs

›Dynamic assessment during abduction

›Effusion and bursitis assessment

›Subacromial-subdeltoid bursa fluid

›Advantages and limitations

›Rapid and bedside capable

›Operator dependence and limited retraction assessment

07Disposition/dispo24

Admission, urgent referral, discharge

›Disposition pathways

›Emergent orthopedic or surgical consultation

›Shoulder dislocation with neurovascular compromise

›Open fracture or skin tenting

›Urgent orthopedic referral within 3 to 7 days

›Suspected acute full-thickness tear with major weakness

›Pseudoparalysis with preserved passive range of motion

›Routine outpatient follow-up

›Suspected strain or partial tear with improving function

›Normal radiographs and stable neurovascular exam

Safe discharge criteria

›Discharge readiness criteria

›Pain controlled with oral regimen

›Functional plan for sleep and basic activities

›No fracture or dislocation on initial imaging when obtained

›Clear return plan if symptoms worsen

›Intact neurovascular exam documented

›Repeat after analgesia and any manipulation

Follow-up planning

›Follow-up essentials

›Imaging plan

›MRI or ultrasound arranged if high suspicion and persistent weakness

›Therapy plan

›Early gentle range of motion if stable and per ortho guidance

›Work and sport restrictions

›Avoid overhead lifting and heavy load on affected arm

08Treatment/t43

Analgesia and symptom control

›Pain control strategy

›First-line non-opioid regimen

›Acetaminophen PO

›1000 mg every 6 to 8 hours

›Maximum 3000 mg per day if chronic use or older age

›Ibuprofen PO

›400 mg every 6 to 8 hours

›Maximum 2400 mg per day

›Naproxen PO

›250 to 500 mg every 12 hours

›Avoid with significant renal disease or GI bleed risk

›Topical option

›Diclofenac topical

›Apply to shoulder region per product labeling

›Avoid on broken skin

›Short-course opioid if severe pain limiting function

›Hydromorphone PO

›1 mg every 6 to 8 hours as needed

›Lowest effective quantity and duration

Immobilization and early mobility

›Activity and immobilization plan

›Sling for comfort

›Brief use to reduce pain

›Early passive range of motion if fracture excluded

›Pendulum exercises as tolerated

›Avoid prolonged immobilization

›Stiffness and adhesive capsulitis risk

Definitive management pathways

›Tear-specific management

›Suspected full-thickness acute traumatic tear

›Early orthopedic evaluation for surgical candidacy

›Earlier repair consideration in younger or high-demand patients

›Partial-thickness tear or strain

›Nonoperative pathway with analgesia and physiotherapy focus

›Reassessment if persistent weakness beyond 2 to 6 weeks

Evidence framing for ED practice

›Evidence and guideline framework

›Class I concept

›Neurovascular exam documentation in traumatic shoulder injury

›Exclude fracture and dislocation before attributing weakness to cuff tear

›Class IIa concept

›Early specialist referral when pseudoparalysis suggests acute full-thickness tear

›Ultrasound or MRI to define tear when management hinges on tear type

›ACEP Level C style consensus

›Analgesia, sling for comfort, and early follow-up for suspected cuff tear

›Avoid corticosteroid injection in the acute traumatic setting without specialist plan

09Special Populations/sp24

Pregnancy

›Pregnancy considerations

›Imaging selection

›Ultrasound preferred when feasible

›MRI without gadolinium acceptable when clinically necessary

›Medication selection

›Acetaminophen preferred first-line

›NSAID avoidance in later pregnancy per obstetric guidance

›Positioning and comfort

›Left lateral tilt in later pregnancy if supine symptoms

Geriatric

›Geriatric considerations

›Higher likelihood of pre-existing degenerative tearing

›Trauma may unmask chronic tear

›Higher fracture risk with low-energy falls

›Low threshold for radiographs and CT if persistent pain

›Medication risk

›NSAID renal and GI risk

›Opioid delirium and fall risk

Pediatrics

›Pediatric considerations

›Traumatic cuff tears uncommon

›Proximal humerus physeal injury more likely

›Imaging focus

›Radiographs prioritized to exclude fracture and growth plate injury

›Referral triggers

›Persistent weakness after pain control and normal radiographs

10Background/b21

Epidemiology

›Epidemiology overview

›Degenerative tears increase with age

›Traumatic tears more likely to be full-thickness in older adults after a fall

›Mechanisms associated with acute tearing

›Fall on outstretched hand

›Shoulder dislocation event

Pathophysiology

›Pathophysiology essentials

›Tendon failure patterns

›Supraspinatus most commonly involved

›Larger tears can involve infraspinatus and subscapularis

›Functional consequence

›Loss of force coupling leading to superior humeral head migration

›Pseudoparalysis from loss of cuff function rather than true neurologic paralysis

Therapeutic Considerations

›Therapeutic rationale

›Nonoperative success drivers

›Pain control enabling rehab participation

›Scapular stabilization and deltoid compensation

›Surgical timing concept in acute traumatic tears

›Earlier repair can reduce retraction progression and improve tendon quality

›Imaging value

›Tear size, retraction, and muscle quality guide operative versus nonoperative planning

11Patient Discharge Instructions/pdi17

copy discharge instructions

›Discharge instructions for suspected acute traumatic rotator cuff tear

›Sling use for comfort

›Remove several times daily for gentle pendulum motion if advised and no fracture

›Pain control plan

›Acetaminophen as directed on label or clinician instructions

›NSAID only if safe for you and approved by clinician

›Activity restrictions

›Avoid lifting, pushing, pulling, or overhead activity with the injured arm

›Follow-up plan

›Orthopedics or sports medicine appointment within recommended timeframe

›Imaging appointment if MRI or ultrasound ordered

›Return to ED immediately

›New numbness, tingling, or weakness in hand or arm

›Hand becomes cold, pale, or very painful

›Severe swelling or rapidly expanding bruising

›Fever or increasing redness and warmth around shoulder

›Worsening pain not controlled with prescribed medications

12References/r13

Guidelines and evidence sources

›Core reference set

›American Academy of Orthopaedic Surgeons guidance on rotator cuff tears

›Nonoperative care and indications for surgical referral

›American College of Radiology Appropriateness Criteria for acute shoulder pain imaging

›Radiographs first-line for trauma

›MRI or ultrasound for suspected cuff tear when radiographs non-diagnostic

›Emergency medicine practice framework

›Neurovascular assessment and fracture exclusion in traumatic shoulder presentations

Coding and terminology sources

›Terminology references

›ICD-10-CM code set for shoulder tendon injuries

›Traumatic tendon injury category S46

›SNOMED CT concepts for rotator cuff tear and tendon rupture

›Standardized problem list mapping for EHR

Evidence & Review

Reviewed by SymptomDx Medical Team · Last reviewed June 16, 2026

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