Trauma Flashcards

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1
Q

management of hemodynamically unstable trauma patient with FAST positive

A

urgent laparotomy

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2
Q

management of hemodynamically stable trauma patient with Grade I-III (low grade) splenic injury

A

may observe as long as without any evidence for other intra-abdominal injuries, active contrast extravasation, or a blush on CT

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3
Q

management of splenic injury with contrast extravasation or vascular blush on CT

A

splenic artery embolization

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4
Q

management of high grade IV, V splenic injury

A

may consider embolization in grave IV, controversial

splenectomy for some IV, and V

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5
Q

absolute indications for laparotomy in blunt abdominal trauma

A

Anterior abdominal injury with hypotension
Abdominal wall disruption
Peritonitis
Free air under diaphragm on chest radiograph
Positive FAST or DPL in hemodynamically unstable patient
CT-diagnosed injury requiring surgery

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6
Q

absolute indications for laparotomy in penetrating abdominal injury

A

Injury to abdomen, back, and flank with hypotension
Abdominal tenderness
GI evisceration
High suspicion for transabdominal trajectory after gunshot wound
CT-diagnosed injury requiring surgery

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7
Q

relative indications for laparotomy in blunt abdominal injury

A

Positive FAST or DPL in hemodynamically stable patient
Solid visceral injury in stable patient
Hemoperitoneum on CT without clear source

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8
Q

relative indications for laparotomy in penetrating abdominal trauma

A

Positive local wound exploration after stab wound

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9
Q

signs and symptoms of gastric outlet obstruction develop (abdominal pain, distention, and vomiting) in patient with abdominal trauma suggestive of

A

duodenal hemorrhage

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10
Q

what side does diaphragmatic rupture usually happen on

A

left

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11
Q

management of hemodynamically stable patients with liver injury who demonstrate pooling of intravenous contrast on initial or subsequent abdominal CT scan

A

hepatic embolization

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12
Q

management of hemodynamically stable patients with liver injury with no other indication for abdominal exploration

A

observation

monitored care, serial abdominal examination, and serial hemoglobin assessment and potentially hepatic embolization

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13
Q

contraindications to non-operative management of liver injury

A

●Hemodynamic instability after initial resuscitation.
●Other indication for abdominal surgery (eg, peritonitis).
●Gunshot injury (relative contraindication if extrahepatic injury is suspected).
●Absence of an appropriate clinical environment to provide monitoring, serial clinical evaluation, or availability of facilities and personnel for hepatic embolization or urgent abdominal exploration should the need arise.

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14
Q

management of grade VI liver injury

A

hepatic avulsion - by nature are hemodynamically unstable and require operative management

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15
Q

indication for surgical management of liver injury

A

hemodynamically unstable patients

nonoperatively managed patients who continue to bleed (ongoing blood transfusion, hemodynamic instability), and in some patients who manifest a persistent systemic inflammatory response (ileus, fever, tachycardia, oliguria)

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16
Q

ipsilateral fixed and dilated pupil due to unopposed sympathetic tone, further herniation compresses pyramidal tract which results in contralateral motor paralysis - caused by which herniation syndrome

A

uncal herniation

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17
Q

bilateral pinpoint pupils, bilateral Babinski’s signs and increased muscle tone —> fixed midpoint pupils follow along with prolonged hyperventilation and decorticate posturing - caused by which herniation syndrom

A

central transtentorial herniation

18
Q

pinpoint pupils, flaccid paralysis, and sudden death - caused by which herniation syndrome

A

cerebellar tonsillar herniation

19
Q

conjugate downward gaze with absence of vertical eye movements and pinpoint pupils - caused by which herniation syndrome

A

upward transtentorial herniation

20
Q

inclusion criteria for CT head rule

A

minor head injury with LOC, amnesia, or disoriented, GCS 13-15

21
Q

indications for CT head as per rule

A
  • signs of basilar skull fracture - CSF otorrhea, rhinorrhea, racoon eyes or battle sign
  • vomiting 2 or more times after injury
  • GCS < 15 at 2 hours after injury
  • age over 65

med risk: amnesia before impact > 30 mins, dangerous mechanism (pedestrian, occupant ejected, fall from elevation)

22
Q

exclusion criteria for CT head rule

A
  • Age under 16
  • Minimal head injury with no LOC, amnesia, or disorientation
  • Unclear history of trauma as the primary event (ie primary seizure or syncope)
  • Obvious penetrating skull injury or depressed fracture
  • Acute focal neurological deficit
  • Unstable vital signs associated with major trauma
  • Seizure prior to ED assessment
  • Anticoagulation or bleeding disorder
  • Pregnancy
23
Q

Quick Confusion Scale

A
Quick Confusion Scale
year?-2
month? -2
short key phrase, patient repeat
time? 2
count backward from 20 to 1 - 2
say months in reverse -2 
repeat key phrase - 5

-abnormal if 11 or less score

24
Q

primary treatment for mTBI

A

rest

avoid asa and NSAIDs

25
Q

checklist for management of head trauma in ED

A
  • C-spine precautions
  • airway: maintain, intubate for GCS <8 or PRN- induction agents: etomidate, propofol, six, roc
  • oxygenation and ventilation: SpO2 > 90, PCO2 35-45 - do not hyperventilate prophylactically (Prolonged (>6 hours) hypocapnia causes cerebral vasoconstriction and worsens cerebral ischemia)
  • BP: SBP >90, MAP 80, give NS, blood products PRN; no permissive hypotension
  • exam and GCS: before paralytics given
  • stat head CT and C-spine CT
  • repeat exam: check GCS for changes and signs of impending herniation/deterioration
  • check glucose: treat hypo and hyperglycaemia - keep from 5.5 to under 10
  • control temp: maintain between 36-38.3
  • seizure prophylaxis: give antiepileptic drug if GCS <10, acute seizure with injury, or abnormal head CT - use dilantin, fosphenytoin or keppra
  • identify and treat elevated ICP, herniation: head of bed at 30 degrees, ensure goo`d BP, ventilation and temp control, give mannitol 1g/kg IV bolus, urgent neurosurgical consult, consider hypertonic saline bolus in refractory ICP
  • neurosurgery referral/transfer: ICP monitoring, ventriculostomy for ICP management surgery
26
Q

what wounds need tetanus immunoglobulin

A

tetanus prone wound (wounds >6h old, >1cm deep, puncture wounds, avulsions, wounds resulting from missiles, crush wounds, burns, frostbite, wounds contaminated with dirt, faces, soil or saliva) AND uncertain or less than 3 doses of tetanus toxoid vaccine

27
Q

what to do with any wound, no tetanus toxoid booster within past 10 years/ or uncertain immune status

A

tetanus toxoid booster

28
Q

what do with dirty wound, last booster more than 5 years ago

A

tetanus toxoid booster

29
Q

what to do with any wound, last booster less than 5 years ago

A

nothing !

30
Q

high risk factors for wound infection

A

puncture wounds
wounds > 12h old
hand or foto wounds
immunocompromised

patient age >50
prosthetic joints or valves (risk of endocarditis)

31
Q

suture size and duration for face

A

6-0, 5 days

32
Q

suture use and duration for skin, not joint

A

4-0, 7 days

33
Q

suture size and duration for joint skin

A

3-0, 10 days

34
Q

suture choice for mucous membrane

A

absorbable (vicryl)

35
Q

X ray features of aortic tear

A
ABC WHITE
Xray features of Aortic tear
Bronchus (left main) depressed
Cap (pleural cap)
Wide mediastinum
Hemothorax
Indisctinct aortic knuckle
Tracheal deviation to right side
Esophagus (NG tube) deviated to the right
36
Q

hard signs of vascular injury in neck trauma

A
shock unresponsive to initial fluid therapy
active arterial bleeding
pulse deficit
pulsatile or expanding hematoma
thrill or bruit
37
Q

hard signs fo rlarygnotracheal injury in neck truama

A
stridor
hemoptysis
dysphonia
air or bubbling in wound
airway obstruction
38
Q

soft signs of vascular injury in neck trauma

A

hypotension in field
history of arterial bleeding
nonpulsatile or non expanding hematoma
proximity wounds

39
Q

soft signs for laryngotracheal injury in neck trauma

A
hoarseness
neck tenderness
subQ emphysema
cervical ecchymosis or hematoma
tracheal deviation or cartilaginous step-off
larygenal deem or hematoma
restricted vocal cord mobility
40
Q

soft signs for pharyngoesophageal injury in neck trauma

A
odynophagia
subcutaneous emphysema
dysphasia
hematemesis
blood in the mouth
saliva draining form wound
severe neck tenderness
prevertebral air
transmidline trajectory