Goldenstien Trauma List 1 Flashcards
Components of the primary survey
- Airway with cervical spine precautions
- Breathing
- Circulation
- Disability
- Exposure
- Monitors (pulse oximetry, BP, ECG)
- Resuscitation (2 large bore IV’s, 2L warmed crystalloid, 100% O2 via non-rebreather)
- Investigations (trauma blood work)
(A.B.C.D.E.M.R.I.)
Glasgow coma scale
Eye opening
4 – spontaneous
3 – to speech
2 – to pain
1 – none
Best motor
6 – obeys commands
5 – localizes pain
4 – withdraws to pain
3 – abnormal withdrawal (decorticate)
2 – abnormal extension (decerebrate)
1 – none
Verbal
5 – oriented
4 – confused conversation
3 – inappropriate words
2 – incomprehensible sounds
1 – none
Classification of shock
Hypovolemic
Cardiogenic
- Myocardial infarction
- Mechanical defects
Obstructive
- Cardiac tamponade
- Massive pulmonary embolus
- Tension pneumothorax
Distributive
- Septic
- Anaphylactic
Keys to determining types of shock
- Hypovolemic: decreased CVP (all others increased or normal)
- Cardiac tamponade: increased pulmonary wedge pressure
- Septic/anaphylactic: decreased systemic vascular resistance and increased SvO2
Signs of hemorrhage
- Altered level of consciousness
- Tachycardia
- Tachypnea
- Skin pallor
- Decreased capillary refill
- Cool skin
- Decreased urine output
(Proximal → distal)
Classification of hemorrhagic shock (4 x 3)
Class I: up to 15% blood volume
- HR < 100
- Normal BP
- U/O > 30 ml/hr
Class II: 15-30% blood volume
- HR > 100
- Decreased BP
- U/O 20-30 ml/hr
Class III: 30-40% blood volume
- HR > 120
- Decreased BP
- U/O 5-15 ml/hr
Class IV: > 40% blood volume
- HR > 140
- Decreased BP
- Negligible U/O
Types of possible blood transfusions (3)
- O-negative
- Type-specific
- Cross-matched
(Fastest → slowest)
Types of responses to fluid resuscitation (3)
Rapid
10-20% EBL
Vitals return and stay normal
Transient
20-40% EBL
Recurrent tachycardia and hypotension
Type-specific blood
Non-responders
> 40% EBL
Vitals never normalize
Crystalloid and immediate type O blood
Hemodynamic goals of shock resuscitation (3)
- MAP > 60-65 mmHg
- PWP 12-18 mmHg
- CI > 2.1 L/min/m2 (Cardiogenic/obstructive) or > 3-3.5 L/min/m2 (septic/hemorrhagic)
- U/O > 0.5 ml/kg/h
Oxygen delivery goals of shock resuscitation (4)
- Hb > 100
- SaO2 > 92%
- SvO2 > 60%
- Lactate < 2.5 mEq/L
Side effects of massive transfusion (5)
- ARDS
- Coagulopathy
- Electrolyte abnormalities
- Hypothermia
- Immunosuppression
(A.C.E.H.I.)
Consequences of hypothermia (3)
- Acid-base disturbances
- Coagulation abnormalities
- Ventricular fibrillation
Initiators of coagulopathy in trauma (6)
- Tissue trauma
- Shock
- Hemodilution
- Hypothermia
- Acidemia
- Inflammation
Factors affecting physiologic response to trauma (9)
External
- Type of force (blunt vs. penetrating)
- Kinetic energy applied
- Temperature exposure
- Chemical/gas exposure
Internal
- Pre-existing medical disease
- Diabetes
- Rheumatoid disease
- Medications
- Illicit drug use/EtOH
Definition of systemic inflammatory response syndrome (≥ 2 of 4)
- Heart rate > 90 bpm
- WBC count < 4 or > 10
- Respiratory rate > 20 with PaCO2 < 32 mmHg
- Temperature < 36° C or > 38° C
Definition of acute respiratory distress syndrome (6)
- Acute onset
- Arterial hypoxemia unresponsive to oxygen therapy (PaO2/FiO2 < 200 mmHg)
- Bilateral infiltrates on CXR
- Dyspnea
- PWP < 18 mmHg
- Tachypnea
Etiology of ARDS in trauma patients (8)
Direct injury (4)
- Aspiration
- Near drowning
- Lung contusion
- Toxic inhalation
Indirect injury (4)
- Sepsis
- Severe non-thoracic trauma
- Massive transfusion
- Fat embolism syndrome
Clinical signs of basal skull fractures (5)
- Bleeding from the ears
- Retroauricular ecchymosis (Battle’s sign)
- CSF otorrhea/rhinorrhea
- Cranial nerve VII palsy
- Periorbital ecchymosis (“raccoon eyes”)
(B.B.C.C.R.)
ER department management of closed head injuries (4)
- Maintain normal blood pressure
- Avoid hypoxia
- Hyperventilation to PCO2 of 25-30 mmHg
- Mannitol (1 g/kg of 20% solution)
eminently lethal chest injuries (5)
- Tension pneumothorax
- Open pneumothorax
- Massive hemothorax
- Flail chest
- Cardiac tamponade
Life threatening chest injuries (5)
- Simple pneumothorax
- Hemothorax
- Pulmonary contusion
- Tracheobronchial injury
- Blunt cardiac injury
Radiographic findings of an aortic arch injury (9)
- Widening of the superior mediastinum
- Normal = 8 cm wide
- Abnormal = 8-10 cm wide
- Aortic Dissection = >10 cm
- Separation of the calcified intima from the outermost portion of the aorta by more than 5 mm (the “calcium sign”)
- Loss of aortic knob
- Displacement of trachea or NG tube to the right
- Downward displacement of the left mainstem bronchus
- Disparity in the caliber of the ascending and descending aorta
- Apical capping
- Pleural effusion (most commonly left sided)
- Localized bulge in the aorta
Clinical findings of an aortic dissection (3)
- Pulse deficit
- Diastolic murmur of aortic regurgitation
- Abnormal EKG
Clinical signs of a tension pneumothorax (6)
- Respiratory distress
- Absent breath sounds
- Hyperresonance to percussion
- Distended neck veins
- Tracheal deviation away from the injured side
- Shock with hypotension
CXR findings of aortic disruption (11)
- Widened mediastinum
- Obliteration of the aortic knob
- Tracheal deviation to the right
- Deviation of the NG to the right
- Depression of the left mainstem bronchus
- Obliteration of space between pulmonary artery and aorta
- Widened paratracheal stripe
- Widened paraspinal interfaces
- Pleural/apical cap
- Left-sided hemothorax
- 1st/2nd rib/scapula fractures
Positive findings of a diagnostic peritoneal lavage (6)
- ≥ 100,000 RBC/mm3
- ≥ 500 WBC/mm3
- Positive gram stain
- Amylase concentration > 175 IU
- > 5 ml of gross blood on initial aspiration
- Enteric contents on initial aspiration
Signs of a urethral injury (5)
- Inability to void despite a full bladder
- Blood at the urethral meatus
- High-riding/mobile prostate
- Elevated bladder on IVP
- Contrast dye extravasation into the perineum
Burn classification (3)
- First degree – superficial
- Second degree – partial thickness skin
- Third degree – full-thickness skin loss
- Fourth degree – through deep tissues
Signs of inhalational injury (4)
- Facial burns
- Singed face and hair
- Carbon in the pharynx
- Carbonaceous sputum
Markers of adequate resuscitation (5)
- Lactic acid < 2.5 mEq/L (#1)
- Base deficit < 5
- MAP > 60 mmHg
- Urine output 0.5-1 ml/kg/hr (adult)
- HR < 100 bpm
- SvO2>70
Grading of trauma patients (4)
- Grade I: Stable (cleared for surgery)
- Grade II: Borderline
- Grade III: Unstable (SBP < 90 mmHg)
- Grade IV: Extremis
Indications to perform damage control orthopedic surgery (11)
- ISS > 40 without thoracic injury
- ISS > 20 with thoracic injury
- Uncontrolled hypothermia (? 32deg vs. 35)
- Coagulopathy
- Exaggerated inflammatory response IL-6 > 800 pg/mL
- Arterial injury with SBP < 90
- Moderate/severe head injury (AIS ≥ 3)
- Bilateral lung contusions
- Multi-injured patient with abdo/pelvis with SBP < 90
- Bilateral femoral fractures with thoracic trauma
- Presumed surgery time > 6 hours
(Injury severity, vitals, blood work, injuries, surgery)
Fat embolism syndrome findings (3)
- Petechial rash (upper/anterior body)
- Altered mental status
- ARDS (hypoxia, tachypnea, dyspnea, tachycardia)
Diagnostic criteria for fat embolism syndrome (11)
Major
- Hypoxemia (PaO2 < 60 mmHg)
- CNS depression
- Petechial rash
- Pulmonary edema
Minor
- Tachycardia > 110 bpm
- Fever > 38.3° C
- Thrombocytopenia
- Decreased hematocrit
- Retinal emboli
- Fat in sputum
- Fat in urine
Risk factors for fat embolism syndrome (6)
- Pelvic fractures
- Multiple long bone fractures
- Lower extremity injuries
- Closed fractures
- Young patients
- Reaming
acute respiratory distress syndrome findings (5)
- Tachypnea
- Dyspnea
- Hypoxemia (despite 100% O2)
- Reduced lung compliance (need for PEEP)
- Diffuse bilateral infiltrates on CXR
AO principles of fracture fixation (4)
- Adequate reduction of fracture fragments
- Stable internal fixation
- Preservation of blood supply to bone
- Early active ROM
Purposes of splinting (5)
- Pain relief
- Protect extremity from additional trauma
- Prevent/correct deformity
- Provide maintenance of fracture reduction
- Protection during functional activities
(5 P’s)
Fractures for which evidence exists for the use of locking plates (5)
- Humeral shaft non-unions
- Intraarticular distal femur, proximal tibia, distal radius
- Proximal humerus
- Periprosthetic (above TKA/below THA)
- Short, extraarticular metaphyseal fractures
(H.I.P.P.S.)
Indications for external fixation (6)
Temporary:
- Grossly contaminated wound/severe soft tissue injury
- Pelvic fractures with hemorrhage
- Unresuscitated patients
Definitive:
- Some periarticular fractures
- Some intraarticular fractures (otherwise unreconstructible)
- Fractures with segmental bone loss
Indications for surgical treatment of AC joint injuries (6)
- Type III injuries in young, high-demand patients
- Type IV-V-VI injuries
- Open injuries
- Neurovascular compromise
- Chronic symptoms of instability/pain after nonoperative treatment
- Ipsilateral SC joint dislocation
Options for surgical treatment of AC joint injuries (5)
- Primary acromioclavicular joint fixation
- Coracoclavicular fixation
- CC ligament reconstruction
- Dynamic muscle transfers (historical)
- Distal clavicle resection (± CC fixation/ligament reconstruction)
Complications of AC joint injuries (14)
- Skin pressure/ulceration
- Persistent deformity
- Decreased shoulder/elbow ROM
- Soft-tissue calcification
- Infection
- Recurrence of deformity
- Hardware failure/migration
- Clavicle/coracoid fracture
- Symptomatic hardware
- Stiffness
- Post-traumatic arthritis
- Aseptic foreign body reaction
- Clavicular osteolysis
- Brachial plexus/axillary artery injury
Risk factors for posterior shoulder dislocation (9)
- >37 years old
- Voluntary Dislocation
- Retroverted glenoid
- MDI
- Rotator Interval Lesion
- Chondral Damage
- ETOH
- Seizures
- Electrical Shock
Shoulder dislocation associated injuries (7)
- Axillary nerve palsy
- Vascular injury
- Labral avulsion injuries
- Glenoid rim fractures
- Rotator cuff tears
- Tuberosity fractures
- Humeral head impression fractures
Indications for surgical treatment of shoulder dislocations (6)
- Irreducible by closed methods
- Vascular injury
- Associated fractures requiring treatment
- Recurrent dislocations
- Chronic dislocations
- Young, active patient with acute traumatic anterior instability
Complications of shoulder dislocations (6)
- Recurrent instability
- Arthrofibrosis
- Post-traumatic arthritis
- Axillary nerve neurapraxia
- Axillary artery injury
- Rotator cuff injury
Risk factors for recurrent instability following anterior shoulder dislocation (6)
- Young Age
- Bony Bankart
- Large HS
- <3 anchor fixation
- Inferior or Anterior GH Laxity
- MDI
Risk factors for arthrofibrosis following shoulder dislocation (4)
- Age > 30
- Inadequate rehabilitation
- Poor patient compliance
- Increased trauma at the time of injury
Classification of proximal humerus fractures (Neer) (3)
A fragment is considered a “part” if it is ≥ 1 cm displaced or 45° angulated
2-part
- Lesser tuberosity
- Greater tuberosity
- Surgical neck
3-part
4-part
Proximal humerus fractures associated injuries (6)
- Subdural hematoma
- Neurologic injury (axillary, 60% on EMG)
- Vascular injury
- Rotator cuff injury
- Dislocation
- Other osteoporotic fractures
(Proximal → distal)
Indications for surgical treatment of proximal humerus fractures (6)
- Open
- Medially translated distal fragment
- > 45° angulation in a 2-part surgical neck fracture
- Pathologic fracture
- 3- and 4-part fractures
- Head split
Decision-making factors for surgical treatment of proximal humerus fractures (7)
- Age
- Activity level
- Patient preferences
- Vascularity of the humeral head
- Bone quality (cortical thickness < 4 mm)
- Fracture pattern
- Degree of comminution
(Patient, fracture)
Contraindications to ORIF of proximal humerus fractures in elderly patients (4)
- Fracture-dislocation
- Head-splitting fractures
- Impression fractures involving > 40-50% of the articular surface
- 3- and 4-part fractures with osteoporotic bone
Indications for locking plates in proximal humerus fractures (7)
- Displaced extraarticular and intraarticular/anatomic neck fractures
- Metaphyseal comminution
- Valgus impacted fractures
- Poor cortical contact/disrupted medial hinge
- Subcapital proximal humerus nonunion
- Proximal humerus osteotomy
- Pathologic fracture (?)
Advantages of locking plate fixation for proximal humerus fractures (6)
- Improved stability
- Shorter immobilization/earlier rehabilitation
- Decreased rotator cuff damage
- Decreased need for implant removal
- Reduced hardware complications
- Potential avoidance of hemiarthroplasty
Methods to achieve proper height of hemiarthroplasty component for proximal humerus fracture (5)
- Pull-down test (top of prosthesis at top of glenoid)
- One finger test (between top of prosthesis and acromion)
- Top of prosthesis 5 cm above superior border of pectoralis major
- GT is 8 ± 3 mm below top of articular segment
- Long head of biceps tension
Complications of hemiarthroplasty for proximal humerus fracture (8)
- Infection
- Nerve injury
- Tuberosity malunion
- Heterotopic ossification
- Joint degeneration
- Disappearing tuberosities
- Subacromial impingement
- Prosthetic loosening
Risk factors for tuberosity malunion in hemiarthroplasty for proximal humerus fracture (4)
- Age > 75
- Females
- Excessive prosthetic height/retroversion
- Non-anatomic reduction
(Patient, surgery)
Factors predictive of post-operative constant score following hemiarthroplasty for proximal humerus fracture (5)
- Age
- Persistent neurologic deficit
- Need for early revision
- Degree of displacement of prosthetic head from centre of glenoid
- Degree of tuberosity displacement (> 5 mm)
Complications of proximal humerus fractures (7)
- Nonunion
- Malunion
- Avascular necrosis
- Missed injury
- Disrupted rotator cuff
- Adhesive capsulitis
- Neurovascular injury
Risk factors for avascular necrosis in proximal humerus fractures (7)
- Anatomic neck fracture
- Head split
- Fracture-dislocation
- 3- and 4-part fractures
- Metaphyseal head extension < 8 mm
- Medial hinge displacement > 2 mm
- ORIF
Components of acceptable alignment of a humeral shaft fracture (4)
- ≤ 3 cm of shortening
- ≤ 30° varus/valgus angulation
- ≤ 20° anterior/posterior angulation
- ≤ 15° rotation
Treatment options for humeral shaft fractures (7)
- Long arm cast
- Collar and cuff
- Hanging cast
- Functional bracing
- External fixation
- ORIF
- Intramedullary nailing