trauma
DESCRIPTION
William Beaumont Hospital Department of Emergency Medicine. Trauma. CASE. - PowerPoint PPT PresentationTRANSCRIPT
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William Beaumont HospitalDepartment of Emergency Medicine
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40 y/o male on a MCA, car pulled out to turn in front of him, he hit the side of the car and flew over it landing on his face. He is still fully clothed with his leathers on, C-collar, backboard, and splint to LLE. He has obvious facial fractures, noisy respirations, and deformity to the LLE extremity.
Where should we begin???
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A, B, C ‘s O2 – NC, mask, intubation IV – how many or central line? Monitor – HR, BP, sPO2, RR q15 (min)
Initial actions = secure the airway, maintain ventilations, control hemorrhage, and treat shock
What is the Golden Hour?
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Emphasize the initial evaluation and treatment of the trauma patient
Our “window of opportunity” to have a significant impact on morbidity and mortality
Must have a concise, expeditious, well thought out plan for evaluation and treatment of life threatening injuries
Accomplished through ATLS guidelines of the primary and secondary surveys
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A = airway and cervical spine protection
B = breathing and ventilationC = circulation and hemorrhage
controlD = disability and neurological
statusE = exposure and environmental
control
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An identified injury should be treated at the time of discovery Examples: ▪ The airway should be secured before the
fracture is stabilized▪ PTX should be treated before the patient is
completely exposedThe decision to transfer a patient
should be made before proceeding to the secondary survey
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Complete the history (AMPLE)Head to toe physical examReassess vital signs and
interventionsObtain GCS if not done in primary
surveySpecial procedures (lines), specific x-
rays, and labs should be obtained
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Rectal exam is done in every trauma and before urinary catheter placement (WHY?)
Check for blood tear or pelvic fracture High riding prostate potential urethral
injury Decreased tone brain or spinal injury
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40 y/o male on a MCA, ... He is still fully clothed with his leathers on, c-collar, backboard, and splint to LLE. He has obvious facial fractures, noisy respirations, and deformity to the LLE extremity.
Where should we begin???
The Emergency physician starts at the head of the bed to assess A.
Assume that there are 15 people cutting clothes, starting the IVs, and exposing the patient.
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40 y/o male on a MCA, ... He is still fully clothed with his leathers on, c-collar, backboard, and splint to LLE. He has obvious facial fractures, noisy respirations, and deformity to the LLE extremity.
Where should we begin?
A – Deformity to the face, nose looks flat, lots of abrasions, eyes swollen closed, broken teeth, blood in the mouth, noisy breathing, and no response to questions
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Oral intubation of the patient using RSI with in line cervical traction
An orogastric tube is placed at the time of intubation Why not an NGT in this patient?
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A - Patient is intubated
What’s next? B - Breathing• Despite intubation, O2 sats are still low
and the patient is difficult to BVM• Decreased breath sounds on the R
chest, crunching under the bell of your stethoscope, and the trachea appears deviated…
• What’s the problem? How do we fix it?
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A - Patient is intubated
Hemo/pneumothorax Needle decompression followed by
tube thoracostomy of the R chest
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A – Patient is intubatedB – Chest tube placed
What’s next? C – Circulation Vitals: BP 90/40, HR 130 RN established two 16g IVs How about 2L of fluid and a type and
cross for 4 units of pRBCs What do you give if immediate transfusion
is needed?
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A – Patient is intubatedB – Chest tube placedC – Fluids and blood given
Now for D – Disability and Neuro exam Patient is intubated and paralyzed
GCS = 3TP (T = tube, P = paralyzed) GCS =/<8 intubated for airway protection
What is a GCS you ask?
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A – Patient is intubatedB – Chest tube placedC – Fluids and blood givenD – GCS = 3TP
E – Exposure and Environmental All clothes are cut off Warm blanket applied to the pt Deformity to L femur probably from a
fracture splint re-applied
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Secondary surveyOrdersRepeat vital signsFAST examTalk to EMS for additional information
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Basic: CBC, BMP, PT/PTT, T&S, ETOH, B-hcg Other labs ordered at the discretion of the practitioner,
institution, or clinical situation such as drug screen, lactic acid, or hepatic panel
XR standard: c-spine, CXR, pelvis Obviously x-ray anything that looks injured
CT: Head and abd/pelvis are standard for a severely
injured intubated patient Chest CT for chest trauma or CXR findings Neck CT based upon mechanism, age, injury
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Primary role is detection of hemoperitoneum
Sensitivity of 75-90% compared to CT (depending on the user and injury)
Four Views of the FAST Morison’s Pouch = hepatorenal Splenorenal Rectovesicular = Pouch of Douglas Cardiac▪ Can also perform pleural windows for PTX
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NormalAbnormal
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Normal
Abnormal
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NormalAbnormal
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DPL Very sensitive but not
specific Invasive Good for visceral injury Unstable trauma where
US is unavailable or equivocal
CT Noninvasive Delineates solid organ injury Expensive Patient must be stable
FAST Quick Sensitive Bedside Operator dependent Misses bowel, mesentery,
diaphragm and pancreatic injuries
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Let’s Move on to the Specifics…
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15 y/o boy riding his bike with no helmet tries to jump a home-made ramp. He went up at good speed, but goes straight down the back side over his handle bars and onto his head. He is unconscious, has a seizure at the scene, and is missing a piece of scalp from the frontal region.
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On exam he moans, withdraws to pain, but does not open his eyes…
What is his GCS?
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On exam he moans, withdraws to pain, but does not open his
eyes…
What is his GCS?
What should you do FIRST?
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GCS = 7
What should you do first? Intubate using RSI Brief neuro exam, if possible, before
paralysis ?? Lidocaine prophylaxis for intubation▪ Blunts the cough reflex, hypertensive response,
and increased ICP associated with intubation
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Most common CT abnormality in head injury
Amount of blood correlates directly with outcome
Patients c/o HA and photophobia
Nimodipine is used to prevent vasospasm which worsens ischemia
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Subdural Hematoma
Epidural Hematoma
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Complete the primary/secondary survey Initial goal is to maximize O2 and BP to
prevent secondary ischemic brain injury Primary Brain Injury = mechanical
irreversible damage that occurs at the time of the trauma (laceration, contusion, hemorrhage)
Secondary Brain Injury = intracellular and extracellular metabolic derangements initiated at the time of the trauma
All therapies for TBI are aimed at reversing or preventing secondary brain injury
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Increased ICP = CSF pressure > 15 mm Hg The cranium can accommodate ~50-100mL
of blood before ICP increases CPP = MAP – ICP CPP < 40, autoregulation is lost
Remember CBF depends on the MAP therefore maximize the BP.
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What is Cushing’s Reflex?
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HypertensionBradycardiaDiminished respiratory effort
ICP has reached life threatening levels
Occurs in 1/3 of cases
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Ipsilateral to mass lesion Anisocoria, ptosis, impaired EOMs, sluggish pupil
Contralateral to mass lesion Hemiparesis Positive Babinski
As ICP continues to increase… Posturing – decorticate then decerebrate Ataxic respiratory patterns Rapid fluctuations in BP and HR, arrhythmias Lethargy coma death
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Hyperventilation = PCO2 30-35 Lowering PCO2 by 1mmHg decrease cerebral
vessel diameter 2% decreased ICP Good initially but over time will cause reflex
vasodilationDiuretics = mannitolCranial decompressionSeizure prophylaxis = Ativan, Dilantin
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History of LOC or amnesia to the event Intoxication: drug and alcoholHeadache, vomiting, focal neuro
deficitModerate (GCS 9-13) and high risk
(GCS<8)Age > 60 or < 2Anti-coagulants – ASA, Plavix,
CoumadinPost-traumatic seizure
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Low risk (GCS 14-15) Not intoxicated Fully awake without focal neuro
deficits No evidence of skull fracture Able to be observed for 12-24 hours
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15 y/o boy riding his bike with no helmet tries to jump a home-made ramp. He went up at good speed, but goes straight down the back side over his handle bars and onto his head. He is unconscious, has a seizure at the scene, and is missing a piece of scalp from the frontal region.
On further exam….You notice that he has bruising behind his left ear, blood in the ear canal, and hemotympanum.
What does this suggest?
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Linear fracture through the base of the skull and can involve the temporal bone
Significance = requires a lot of force to break and can involve the internal carotid artery
Signs: blood in the ear canal, hemotympanum, otorrhea, battle’s sign, raccoon eyes, CN deficits of 3, 4 and 5
Management: Head CT and admission Most CSF otorrhea and rhinorrhea will resolve
spontaneously within a week Prophylactic antibiotics are not usually given
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40 y/o cashier at 7-11 is hit in the side of the head with a baseball bat. He was initially knocked out, but then woke up complaining of HA, dizziness, and feels nauseated. EMS says he just passed out again in the bus before arriving and now is minimally responsive to stimuli.
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80% associated with skull fractures across the middle meningeal artery or a dural sinus in the temporoparietal region
The classic lucid interval occurs in 30%
Patients needs to go to the OR for evacuation
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80 y/o lady who fell yesterday at home. Today her family says that she is confused and moving more slowly than usual.
50 y/o drunk male brought in by police for stumbling on the side of the road. He eventually fell down and was unable to get back up.
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Occur commonly in people with atrophic brains = old people and drunks
Bridging vessels traverse a greater distance so are more easily torn (venous blood)
Slow bleeding can delay presentation
Optimal treatment is evacuation in the OR
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Any Questions?
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24 y/o male is smacked in the face with a whiskey bottle. He is complaining of mid facial pain and mal occlusion of his upper teeth.
When you grasp his upper teeth and move them, his maxilla and nose move together.
What kind of fracture is this?
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Le Fort I Transverse fracture
through the maxilla Upper teeth move
Le Fort II Fraxture of the maxilla,
nasal bridge, lacrimal bones, orbital floor and rim
Teeth and nose move Le Fort III
Craniofacial dysjunction Whole face moves
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Orotracheal intubation Procedure of choice with facial or neck trauma Contraindicated w/ massive facial trauma or suspected
laryngeal injury Nasotracheal intubation
Contraindicated in apneic pts Contraindicated in those with facial, skull, or laryngeal
fractures Cricothyroidotomy
Indicated when oral intubation fails, when there is severe edema or deformity of the face and oropharynx, fracture of the larynx, or hemorrhage in the airway
Contraindicated with anterior neck hematoma or laryngeal injury.
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78 y/o lady with a history of heart disease and afib presents after a syncopal episode in her yard. She was raking leaves when she felt her heart race, passed out, and fell forward to hit her head on a bucket.
She now complains of this intense burning sensation in both arms, hyperasthesia to the touch, and on exam has weakness in the arms more than the legs.
What spinal syndrome is this?
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Most common lesion Common in elderly Hyperextension injury ligamentum
flavum buckles into the cord contusion of the central portion of the spinal cord affects the pyramidal (motor) and spinothalamic tracts (sensory)
Fibers that innervate distal structures are located more in the periphery of the cord deficit greater in the upper extremities
Prognosis: >50% of people recover spontaneously
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Hyperflexion injury anterior cord contusion through protrusion of bone fragment or herniated disc or laceration of anterior spinal artery paralysis and hypoalgesia below the level of the lesion
Preserved posterior column functions (i.e. position, touch, vibration)
Neurosurgical emergency as some causes are amenable to surgery
Prognosis: variable degrees of recovery in the first 24 hours
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Hemisection of the spinal cord Ipsilateral motor Contralateral sensory deficits (pain and
temperature) Usually from penetrating trauma but can
also be from fracture of the lateral mass in the C-spine
Most maintain bowel and bladder function Treatment and prognosis depend on the
injury
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Other C-spine injuries are covered in the orthopedics lecture.
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45 y/o intoxicated female is crossing Woodward at 3am. She walks into traffic and is hit by a big truck before it can slow down (50mph). She is hit mainly in the abdomen and chest then propelled 30 feet onto the road.
EMS is called and she is on her way to your trauma bay.
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In the trauma bay…
EMS is bagging the patient who is unresponsive. She has poor respiratory effort when you stop the BVM. She has decreased breath sounds to both lung fields, crepitus over the R chest wall with dull/distant breath sounds on the L.
What should we do first?
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Intubate the patient using RSI and oral endotracheal insertion (OGT too).
Now that the patient is intubated, you notice poor chest rise and fall, o2 sat of 89%, HR 140s, and still with poor breath sounds absent on the R and decreased on the L.
Now what should we do next?
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Bilateral chest tubes are placed.
On the R, the ER resident receives a whoosh of air and a little bit of blood.
On the L, the surgery resident receives about 400cc of blood.
What does this mean?
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You auscultate the lungs again… Right: improved air exchange, still with crepitus
and extensive bruising along the anterolateral CW
Left: better air exchange, but it is still decreased at the base
Re-evaluation of the vitals shows that the HR is now in the 110s and o2 sat is 96%. You decide this is good enough for now and continue with fluid resuscitation and further examination.
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OK, pretend that there are bilateral chest tubes.
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Most frequently from penetrating trauma <5% from blunt trauma
If there is a pelvic fracture, incidence rupture increases
Incidence of L and R sided rupture about equal L side usually symptomatic as R side is protected by the
liver Signs/Symptoms:
Respiratory insufficiency Bowel sounds in the chest NGT passes back into chest
Surgery is definitive treatment
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1st and 2nd rib fractures used to be called the “hallmark of severe chest trauma” Small, broad, thick bones that take
significant force to break Brachial plexus, great vessels, and lungs
are in close proximity and at great riskThink twice with this injury and do a
very thorough neurovascular exam
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Fractures of the 9th-11th ribs suggest an associated intra-abdominal injury
Most heal within 3-6 weeksRib fractures are associated with
hemo/pneumothorax, atelectasis, and pneumonia
Each rib fracture can lose ~200cc of blood
Admit vs. discharge: depends on the extent of injury, age, and ability to breathe
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2 or more ribs are fractured at two points to allow a freely mobile segment of the chest wall with inspiration/expiration the segment moves paradoxical to normal breathing
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Major problems are underlying pulmonary contusion and chest pain
Splinting that causes atelectasis results in major respiratory insufficiency
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Most commonly from anterior chest trauma
Using restraints increases the risk of fracture at the location the belt crosses the sternum
Older > younger more likely Younger more likely to suffer mediastinal
soft tissue injury Think about the structures beneath the
sternum and carefully evaluate them (heart, lungs, and mediastinum)
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DIB and CP are the most common complaints
Signs/symptoms do not always correlate well with the degree of PTX
Simple PTX Collapse of lung but no communication with the
atmosphere or shift of the mediastinum or hemidiaphragm
Can observe these if <20% and they are not ventilated, unstable, going to OR, or being transferred to a trauma center
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Tension PTX Accumulation of air under pressure causes shift
of the mediastinum compression of the contralateral lung and great vessels
Leads to decreased cardiac output from decreased venous return
Classic signs: tachycardia, JVD, absent breath sounds on the ipsilateral side with trachea deviated away
Tension PTX is a clinical diagnosis (not radiographic)
Management: needle decompression and chest tube
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Open PTX Sucking chest wound Management: place occlusive dressing, taped
on 3 sides only and place CT at a different site
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Injured lung parenchyma most common > intercostal/IMA vessels > hilar vessels > great vessels
Signs/Symptoms: DIB, decreased breath sounds on the affected side
Upright CXR: blunting or obliteration of the diaphragm
Supine CXR: diffuse haziness on the affected side
Treatment: chest tube if respiratory compromise 1500mL of blood = OR for thoracotomy 200 mL/hr for 3 hours = OR
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22 y/o male is stabbed in the epigastrium at a bar while flirting with another man’s girlfriend. He is complaining of abdominal pain, head pressure, and difficulty breathing.
HR 130s BP 80/55 RR 32 sPO2 96
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Beck’s Triad: hypotension, distended neck veins, distant heart
sounds Tamponade occurs in 2% of pts with
penetrating chest or abdomen trauma Rarely occurs with blunt trauma Treatment: IVF, pericardiocentesis vs. ED
thoracotomy, then definitive management in the OR
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17 y/o kid out joy riding on Saturday night in his mom’s car with a suspended license. He rolls through a stop sign on his phone and is T-boned on the driver’s side. PD is called. He initially gets out of the car, ambulates, and says that he is fine other than some mid back pain. He refuses EMS transport until he realizes that it is the hospital or jail.
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He arrives with C-collar and back board to the trauma bay. He is now complaining of mid and lower back pain with tingling in both of his legs. He is afraid that he is going to be paralyzed and starts to hyperventilate. You complete your exam, roll the pt, and obtain your portable films.
As you start to roll to CT scan you try to talk to him to calm him down saying that everything is going to be OK. He looks at you and says that he is going to die, but of course you continue with your reassurances that everything is fine. Suddenly he is unresponsive and you cannot find a pulse when you check.
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What do you want to do next?
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Penetrating Trauma Cardiac arrest at any point with initial vitals or
signs of life in the field Persistent hypotension (SBP<50) despite
aggressive resuscitation Severe shock with signs of tamponade
Blunt Trauma Cardiac arrest in the ED Blunt traumatic arrest in the field is NOT an
indication for thoracotomy
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Thoracic aorta is the most common vessel injured by blunt trauma
80-90% of tears occur distal to the L subclavian artery Ligamentum arteriosum is located in the descending
aorta (aorta is tethered around a fixed point) Patients suffering an ascending aortic injury
usually die at the scene CXR findings: mediastinum widening (>8cm on
supine), obscured aortic knob, loss of the clear space between the aorta and pulmonary artery, displaced NGT, widened paratracheal stripe, trachea deviated to the right, depression left mainstem bronchus
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18 y/o kid who…Is stabbed in the mid abdomen.
-OR-Falls 12 feet off the roof of a house.
Who do you think is more likely to survive?
What organs are most likely to be injured?
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Blunt injuries carry a greater risk of mortality than penetrating injuries
Blunt injury is more difficult to evaluate and diagnose
Blunt injury is more often associated with injury to multiple internal organs and systems outside of the abdomen
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Penetrating Injury Small intestine, colon, and liver
Blunt Injury Spleen>>>>liver, intestine
Seat belt sign = contusion/abrasion across the lower abdomen Correlates with intraperitoneal lesions or
lumbar spinal injury
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Inspect and palpate most importantlyFAST examCT scanLabs
CBC – not usually helpful initially, mild leukocytosis is normal, serial Hgb more helpful
Tox screen and ETOH level
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Hemorrhage is the main concern Two large bore IVs or central line IVF followed by blood products
Antibiotics if concern for bowel injuryStable – FAST, CT, then OR if
necessaryUnstable –FAST then OR for ex-lapPenetrating trauma – determine if the
peritoneum was violated as this dictates management
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Chest Abdomen Pelvis Femur
In kids, the cranium is a possibility as the sutures are still open
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Pelvis – 1500-3000ccFemur – 1000ccRibs – 200ccTibia/Fibula – 500ccHumerus – 250ccRadius/Ulna – 150-250cc
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Trauma can be cool to look at, but don’t be distracted by the gore.
Start with your ABCDEs and don’t move to the next step until you have solved a problem.
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Any Questions?