Final Exam New Info Flashcards
What makes up a trauma center designation?
Trauma center designation (Level 1 through 4) based on resources, training, staffing, qualifications, services, etc.
What is EMTALA?
Must perform a medical screening exam to determine if emergency medical condition exists
If emergency condition exists, must stabilize to their ability or transfer
Specialized facilities must accept transfers if they have capacity to treat
What is the nursing protocol for trauma deaths, suspected homicide, abuse cases, and all deaths within 24 hours of hospitalization?
Leave IV lines, indwelling tubes, and all equipment in place
Do not perform post-mortem care prior to speaking with Charge Nurse/ME’s office (dont’ want to wash away evidence)
What are Mechanisms of Injury (MOI)?
The type of force that caused the injury that can include:
Blunt trauma, Penetrating trauma, Acceleration-deceleration
What are some of the specific mechanisms of injury requiring trauma centers?
High speed MVC, Ejection,
Prolonged extrication or death in cabin
Fall > 15 feet
Penetrating injury between head and torso
2 or more long bone fractures
Pelvic fractures with hemodynamic instability
Automobile vs Pedestrian
Anatomical criteria: amputations
burns, spinal cord injury (SCI)
Physiologic criteria: airway compromise, altered LOC, hypotensive
In terms of triage under mass casualty conditions, what does Emergent mean and what tag is correlated?
Emergent (Red Tag): Immediate threat to life or limb
In terms of triage under mass casualty conditions, what does urgent mean and what tag is correlated?
Urgent (Yellow Tag): Requires quick or immediate treatment but not life threatening at the moment; major injuries
In terms of triage under mass casualty conditions, what does non-urgent mean and what tag is correlated?
Non-Urgent (Green Tag): Can wait several hours without significant risk; minor injuries
In terms of triage under mass casualty conditions, what does expectant mean and what tag is correlated?
Expectant (Black Tag): Death expected, unlikely to survive, or is too severe for limited amount of resources available
What is the Emergency Severity Index (ESI)?
Ratings from 1-5 that determine how many resources a patient will need to treat
What are the ESI ratings?
ESI 1: Requires immediate life-saving intervention
ESI 2: High-risk situation where the patient should not wait
ESI 3: VSS (outside ‘danger zone’) and requires many resources
ESI 4: Requires one resource for provider to reach disposition decision
ESI 5: Requires no resources for provider to reach disposition decision
A patient coming in with abdominal pain, nausea, vomiting, and diarrhea would most likely be rated as an ESI?
ESI 3: VSS (outside ‘danger zone’) and requires many resources
A patient coming in with an ankle injury or a UTI would most likely be rated as an ESI?
ESI 4: Requires one resource for provider to reach disposition decision
A patient coming in with a sore throat, cold/flu symptoms, or poison ivy would most likely be rated as an ESI of?
ESI 5: Requires no resources for provider to reach disposition decision
What are some examples of things that would not be considered a resource in terms of ESI ratings?
H&P
Point of Care Testing
Saline Lock
PO Meds
Simple Wound Care
Crutches
Slings
Splints
What are some examples of things that would be considered a resource in terms of ESI ratings?
Labs
ECG
Radiographs
CT, MRI, Angiography, Ultrasound
IV Fluids
IV, IM, or Nebulized Medications
Specialty Consultation
Simple Procedures (lac repair, urinary catheter
Complex Procedures– count as 2 resources (procedural sedation)
A primary patient survey would include what type of assessment?
ABCDE Assessment
What makes up an ABCDE Assessment?
A: Airway/C-Spine
B: Breathing
C: Circulation
D: Disability– Neuro (AVPU)
E: Exposure
Life-saving interventions applied at each step
In the D for disability in an ABCDE assessment, what does AVPU stand for?
A— Alert
V— Responsive to Voice
P— Responsive to Pain
U— Unresponsive
What makes up a secondary survey in emergency situations?
Comprehensive head-to-toe assessment
SAMPLE history from patient, family, other parties present
Identifies other injuries after immediate threats to life have been addressed
Nurse anticipates:
Insertion of NGT and/or urinary catheter
Preparation for diagnostic studies
What is a SAMPLE history?
S: Signs & symptoms
A: Allergies
M: Medications (Medication reconciliation)
P: Past medical history
L: Last oral intake
E: Events leading up to present injury/illness
Emergency Nursing:
What should the nurse be assessing in situations where the patient is bleeding?
Source of Bleeding
VS
Shock
Emergency Nursing:
What should the nurse be assessing in situations where the patient is experiencing heat stroke?
Decrease in BP
Increase in HR, RR
Confusion or change in behavior
Seizures
Coma
Emergency Nursing:
What should the nurse be assessing in situations where the patient is experiencing either frost nip or frost bite?
white waxy appearance of the skin that can be partial or full thickness
Emergency Nursing:
What should the nurse be assessing in situations where the patient is experiencing altitude related sickness?
Hypoxia
Dyspnea
Throbbing headache
Progression of cerebral or pulmonary edema
Emergency Nursing:
What nursing management or safety concerns should be used for a patient that is experiencing bleeding?
Direct pressure to wound site
Do NOT remove impaled objects
Monitor for internal bleeding that may require volume replacement, blood transfusions, or surgical interventions
Emergency Nursing:
What nursing management or safety concerns should be used for a patient that is experiencing heat stroke?
Immediate rapid cooling
Remove clothes
Apply ice packs over major arteries
Apply cooling blanket/cold lavage
Wet the body and then fan to aid in cooling
Emergency Nursing:
What nursing management or safety concerns should be used for a patient that is experiencing frost nip/bite?
Warm in water (100.4-105.8)
Pain medication
Tetanus vaccine if needed
Emergency Nursing:
What nursing management or safety concerns should be used for a patient that is experiencing altitude related sickness?
Give O2
Decrease altitude
Steroids and diuretics if needed
What is a traumatic brain injury?
Damage to the brain from a mechanism of injury or mechanical force–not caused by neurodegenerative or congenital conditions
What are the risk factors for a TBI?
Newborns up to 4 YOA: Shaken baby syndrome, toddlers are accident prone
Children: Climbing trees, bicycles w/out helmets
Young adults 15 to 24 YOA: Frontal lobe not fully formed; more risks taken
Adults ≥ 60 YOA: Comorbidities, anticoag therapies, altered senses
Males in any age group: Dumbasses at every age
What are common mechanisms of injury that cause TBIs?
Falls, Assaults, MVCs, Sports/Recreation Activities, GSWs, Child Abuse, Domestic Violence, Blast Injuries
What are the common classifications of TBIs?
Classified as:
open or closed head trauma
mild, moderate, or severe
primary or secondary
What is the difference between a open or closed head trauma?
Open: penetrating trauma, skull fractures
Closed: blunt force trauma, coup-contrecoup forces
What are coup-contrecoup forces?
Coup: Forward force
Contrecoup: Brain is forced against back of skull
What factors can influence the severity of a TBI?
GCS can help quantify impact of severity
Length of loss of consciousness can help determine severity
Occipital fractures, basilar fractures (check for bruising behind hears)
What makes a TBI primary?
Occurs at time of injury
Focal or diffuse
Open or closed
What is a Comminuted Facture?
Fragmented bone with depression into brain tissue
What factors classify a TBI as a secondary TBI?
Occurs after initial injury
Worsens outcomes
Includes:
Hypotension
Hypoxia
Edema, hydrocephalus
Hemorrhage
Increased ICP
Herniation
TBI Severity Classifications:
What classifies a TBI as mild?
No loss of consciousness or + LOC ≤ 30 minutes
Loss of memory of event immediately before or after injury
Focal neurologic deficits
No evidence of injury on CT/MRI
TBI Severity Classifications:
What classifies a TBI as moderate?
GCS 9-12
+ LOC 30 mins – 6 hours
Injury may not be visible on CT/MRI
TBI Severity Classifications:
What classifies a TBI as severe?
GCS 3-8
+ LOC > 6 hours
What is a subdural hematoma?
Venous bleeding into space beneath dura mater and above arachnoid mater
How does a subdural hematoma occur?
occurs from tearing of bridging veins within cerebral hemispheres
What is the time frame for an acute subdural hematoma?
Acute: within 24 hours–rapid deterioration
What is the time frame for a subacute subdural hematoma?
Subacute: 2-14 days–no acute s/s at onset, but hematoma enlarges with progressive sx
What is the time frame for a chronic subdural hematoma?
Chronic: weeks to months, often in older adults with forgotten history of head injury–slow but progressive cognitive and personality changes
What is an epidural hematoma?
Blood accumulation in the space between the dura mater and the skull
What kind of injuries tend to result in an epidural hematoma?
Usually arterial from the middle meningeal artery due to temporal bone fracture, like getting hit with a baseball bat
What is the classic presentation of an epidural hematoma?
Classic presentation: immediate loss of consciousness → lucid period → rapid deterioration
For a TBI, how often should you be assessing the GCS?
Assess every 1/2hrs, if there is a change more than 2 points provider needs to be notified
What is the association between dilated pupils and ICP?
Dilation increase=increase ICP
What are the normal pulse pressures that indicate adequate perfusion to the brain?
radial is >80
femoral is >70
carotid >60
A PaCO2 of 40-45 can cause?
Cerebral vasodilation leading to increased intracranial pressure
What are the indications for a CSF leak?
otorrhea, rhinorrhea, + Halo sign, + glucose
What is a halo sign?
Taking a white cloth and if the leakage appears yellow this is a CSF leak
Bilaterial dilated and fixed pupils are a?
Ominous sign and the patient is likely not coming back
What are some of the factors that lead to an increased ICP?
↑ PaCO2
Increased BP
hypotension
Stimuli (light, noise, restraints, etc)
Lowered HOB
Hyperventilation
What is therapeutic hypothermia?
“Artic Sun” medically induced coma. Normally for 24/48 hours and then there is gradual warming. This is done to reduce cerebral edema
What vascular effects do hypoxia or hypercapnia have?
Both cause vasodilation
What effects do hypocapnia have?
Vasoconstriction
What are the normal values for:
Normal CPP:
Normal ICP:
MAP:
Normal CPP: 60-80 mmHg
Normal ICP: 5-15 mmHg
MAP > 60 mmHg to maintain perfusion
What is cerebral blood flow is dictated by?
Cerebral blood flow is dictated by and fluctuates with systemic BP
Activity or stimuli can lead to _____BP → _______CBF → ______ICP
Activity or stimuli = ↑ BP → ↑ CBF → ↑ ICP
What actions should be avoided to avoid and increased ICP?
Coughing
Sneezing
Blowing nose
Restlessness
Straining/Valsalva/Vomiting
High positive airway pressures (PEEP)
Unnecessary suctioning
Unnecessary movement
Increased ICP leads to what change in CPP?
↑ ICP → ↓CPP
↓CPP presents a risk of?
↓CPP → risk of brain ischemia and poor prognosis
Sustained ↑ ICP leads to?
Sustained ↑ ICP →brainstem compression and herniation of brain from one compartment to another
What are the early signs of increased ICP?
Adults: headache or change in LOC
Infants: irritability, lethargy, poor feeding, bulge of fontanel
N/V (may be projectile)
Changes in speech
Ataxia - no coordination
What are the late signs of increased ICP?
Cushing’s Triad
-Bradycardia (↓ HR)
-Hypertension
-Widened pulse pressure (ex: 120/60 to 180/50)
-bradypnea (↓ RR)
(Cheyne-Stokes respirations; hyperpnea followed by apnea)
Pupillary changes in size and reactivity (dilated, fixed)
Decorticate or decerebrate posturing
What is Decorticate posturing?
Decorticate: drawing in of arms to the center and flexion of feet
What is Decererate posturing?
Decererate: Clenched jaw, neck extensions, arms down at sides adducted
What is the formula for MAP?
MAP = SBP + 2(DBP)/
3
What is the most invasive way to measure ICP?
IVC/EVD, and it has the highest risk of infection
What are the benefits of measuring ICP with IVC/EVD?
Reliable/accurate
Able to sample/drain CSF
Can manage ICP by draining CSF per provider order– monitoring volume drained is essential
Calibrate and balance frequently (after pt is moved/repositioned
What are the other less invasive ways of measuring ICP, and what is the negative aspects of their use?
Subarachnoid bolts or screws
Subdural/epidural caths
Fiberoptic transducer-tipped cath
Con: not able to drain or sample CSF
What types of ventilation and oxygenation problems cause increased ICP?
Airway obstruction
Hyperventilation
Suctioning without hyperoxygenation
Positive Pressure Ventilation
PEEP
What are the types of positioning that can increase ICP?
Prone
Trendelenburg
Extreme hip flexion
Neck flexion, Hyperextension or rotation
What factors can increase metabolic rate therefore increasing ICP?
Hyperthermia and Seizure Activity
What type of stressors can increase ICP?
Pain
Disturbing conversation/noise
Bright lights
What type of pressures in the abdomen can cause increased ICP?
Increase intrathoracic pressure
Valsalva maneuvers
Coughing
Vomiting
Suctioning
What are the medications for TBI?
Dexamethasone
Methylprednisolone (Solu-Medrol)
Mannitol
Neuromuscular Blocking Agents
Phenytoin
How does Methylprednisolone help increased ICP?
Corticosteroids to decrease inflammation and edema
What are the adverse outcomes of Methylprednisolone treatment for ICP?
Hypernatremia
hypokalemia
hypocalcemia
Hyperglycemia
delayed healing, immunosuppression (Cushing’s)
Requires slow taper
How must mannitol be administered?
Must be given parenterally via IV filter
What are the signs of a phenytoin toxicity?
Signs of toxicity: Fast uncontrollable eye movements, double vision, dizziness, drowsiness, confusion, lack of coordination, slurred speech
To access Cerebral Herniation, what should you look for?
Posturing
Chronic traumatic encephalopathy that is chronic progressive disease that will show what upon most mortem examination?
Accumulation of tau protein
Shrinking of brain
What type of paralysis involves all 4 extremities and is the result of a C1-7 injury?
Quadriplegia
What type of paralysis involves the lower extremities and can be the result of a T1-12 or L1-5 injury?
Paraplegia
When a patient is experiencing hemiplegia, what is occuring?
half of the body is affected
What spinal injury should we be immediately concerned with respiratory function?
C3-5
What are examples of direct injury from blunt force trauma to vertebral column?
Fracture, dislocation, subluxation
MVC, falls, sports/recreational activities
What are examples of Penetrating injury to the spinal column?
GSW
Stabs
lacerations
What is Hyperflexion of the neck?
:Sudden forcefully accelerated forward causing extreme flexion of the neck. Normally the result of MVC
What is Hyperextension of the neck?
Head is suddenly accelerated and decelerated, normally the result of MCV rear ending.
What causes Axial Loading or Vertical Compression of the spinal chord?
These are from diving accidents, falls on the buttocks, or blow to the stop of the head
What are examples of Secondary SCI Injuries?
Hemorrhage
Edema
-Maximal at level of injury and 2 cord segments above and below
-Impairs microcirculation of cord → ↓ perfusion and anoxia at site
-Cord swelling increases degree of impairment
-Cervical cord swelling can be life threatening
What are two of the major concerns for death in relation to spinal cord injuries?
Pneumonia and Septicemia
What should you be monitoring for T6 injury or above?
Assess and monitor for s/s of neurogenic shock (bradycardia, profound vasodilation → hypotension)
What are myotomes?
a group of muscles innervated by the ventral root a single spinal nerve, control movement
What are dermatomes?
areas of skin that are supplied by a single sensory nerve root, control sensation
What is the ASIA Impairment Scale?
used for classification of pts with spinal cord injury
Grades muscle function from 0-5, 0 being total paralysis and 5 being full movement
Uses myotomes and dermatomes for classification
What is spinal shock?
temporary loss of motor, sensory, reflex, and autonomic function below level of injury
How long do most of the symptoms of spinal shock last?
48 hours
Patients in neurogenic shock are unable to mount an increased _______as a result of a decreased ___________.
Patients in neurogenic shock are unable to mount an increased HR as a result of a decreased BP
What is expected for a L1 or below SCI?
loss of tone throughout colon → bowel incontinence
What is expected for a T12 or higher SCI?
↓ intestinal peristalsis, absent rectal sensation, and ↑ in anal sphincter tone → constipation
What are the actions for neurogenic bladder care?
daily use of stool softeners or bulk-forming laxatives
suppository or digital stimulation daily or QOD
development of a bowel schedule
adequate fluids and fiber
Why do SCI have trouble with thermoregulation?
Loss of ability to vasoconstrict, vasodilate, sweat, shiver below level of injury → take on temp of environment
Most profound in cervical and high thoracic injuries
Neuropathic pain arises from?
Neuropathic pain arises from nerve root above level of injury
Sharp, burning pain can continue or worsen over time
What is the cause of neurogenic shock?
Disruption of autonomic pathway and loss of sympathetic nervous system tone → biggest effect on BP & HR
What are the symptoms of neurogenic shock?
Hypotension, bradycardia, abrupt inability to control temperature
Occurs within 24 hours of injury
If a patient experiencing neurogenic shock has a systolic BP of under 90, what is the concern?
If SBP <90 mmHg, want to treat because of ↓ perfusion to cord
What is the treatment for neurogenic shock?
Airway support -> make sure enough O2 to perfuse
Adminster Atropine due to bradycardia
Administer vasopressors like Dopamine
Provide thermoregulation
Airway support, atropine, vasopressors, fluid, thermoregulation
What is the cause of spinal shock?
Immediate response of the spinal cord to injury
What are the symptoms of spinal shock?
Absence of all neurologic activity (including reflexes) below level of injury, flaccid paralysis
Loss of peristalsis → absent BS, abdominal distention, paralytic ileus within 72 hours
What is the duration and resolution of spinal shock?
Usually resolves within 48 hours but may last for weeks
Return of bladder function, reflexes, and muscle spasticity indicates resolution of shock
What are the treatment options for spinal shock?
Foley Catheter
NG tube
Provide thermoregulation assistance
What is autonomic dysreflexia?
When noxious visceral or cutaneous stimuli cause a massive sudden inhibited reflex sympathetic discharge in people with high level spinal cord injury
What are the symptoms of autonomic dysreflexia?
Sudden ↑ BP (↑ 20-40 mmHg in both SPB and DBP)
↓ HR (low normal or bradycardia)
Pounding HA, blurred vision
Sweating, vasodilation, flushing, nasal stuffiness above level of injury
Vasoconstriction, pale, cool, goosebumps below level of injury
How is a TSLO Brace applied?
Nurse puts on the back matching up the grooves on the waist with the pts waist, soft area between hips and rips, front portion placed overlapping the back.
Middle straps fastened first pulling straps at the same time.
Straps should be snug and hold device in place but allow for normal breathing. Tops and bottoms of straps applied after in the same manner
What is a halo fixation device?
Used to immobilize the cervical spinal column– worn for 8-12 weeks
Screws placed through the bone and attached to rods that are secured to a non-removable vest worn by client.
In an emergency situation for a patient with a halo device, what needs to be done?
A wrench used to release the rods from the vest in case of cardiac or respiratory emergency (CPR)
Tape wrench to the front of the vest in the event of emergency and need to remove vest
What is the treatment for autonomic dysreflexia?
Sit patient up!
Lower legs, if possible
Contact provider STAT
Loosen restrictive clothing
Quickly assess for potential cause
Monitor BP, HR, HA, flushing, diaphoresis, visual disturbances
Administer hydralazine, nitrates, or nifedipine (CCB) for HTN
What are some of the potential causes for autonomic dysreflexia?
Bladder distention
Catheter tubing kinked, obstructed, etc.
Fecal impaction
Pressure stimuli, ingrown toenails, other sources of pain
A Compound (open) fracture is?
A fracture skin integrity not intact– open wound
Bone is sticking through skin, bone is in two distinct pieces.
What is a displaced fracture?
Pieces of bone not in alignment - considered a closed fracture
What is a nondisplaced fracture?
Non-Displaced Fracture: Bone is in alignment
A Spiral fracture occurs from? What population does this present red flags?
occurs from a twisting motion and commonly seen in physical abuse cases (warning sign in pediatric population
What is an impacted fracture?
Impacted: Fractured bone is wedged inside the opposite fractured fragment
What is a greenstick fracture?
Greenstick: One side is fractured but does not extend all the way across the bone
What are the priority concerns when dealing with facial fractures?
airway, LOC, vision, CSF leak, brain injury, SCI
What are facial fractures classified under?
Le Forte is consisting of 3 broad categories based on the level of the fracture
I: Nasoethemoid Complex fracture
II: Maxillary and Nasoethemoid complex fracture
III: Combination I & II plus orbital-zygoma fracture
What are the risks associated with casts?
compartment syndrome, thermal injuries, pressure injuries, infection, dermatitis
What is a splint?
Non-circumferential support held in place with elastic bandage
What is the Principle of immobilization?
joint above and below injured bone is immobilized
Generally used in long bone injuries that would require a very high cast
What is the patient education for patient’s with casts?
never stick anything down into cast or splint for itching
report s/s of pain, tingling, coolness, pallor; elevate extremity
protect from getting wet
What is Skin (Buck’s) Traction?
Boot or device placed on client that is connected to rope with weights
Traction applied to skin, which pulls extremity
What is Skeletal Traction?
Steinmann pins or wires inserted into bone and connected to rope with weights
Traction applied directly to bone
Requires close monitoring for infection and pin site care
What is the normal amount for traction weights?
15-30lb
What is Internal Fixation (ORIF)?
ORIF: Open reduction internal fixation
Surgical procedure where rods, screws, and/or plates are placed align and stabilize bone fractures for healing
Will require suture care
What is External Fixation?
Surgical procedure where rods are screwed into bone and connected to a stabilizing frame outside the body
What are the early/late signs of impaired neurovascular status from fractures?
Early s/s of impairment: pain, paresthesia, pallor
Late s/s of impairment: paralysis, pulselessness
What are the complications of immobility resulting from a fracture?
atelectasis, urinary retention, constipation, skin breakdown
What does malunion mean?
Malunion=fracture is healed incorrectly
What does nonunion mean?
fracture never heals
What is the pathophysiology of compartment syndrome?
Edema in one or more of muscle compartments → ↑ pressure within non-expandable fascia → compression on nerves and vasculature → ↓ perfusion and ischemia to muscle
Ischemia can lead to bone necrosis
What are the early and late signs of compartment syndrome?
Early signs: intense pain (unrelieved with elevation or pain meds), pallor, paresthesia
Late signs: pulselessness, paralysis
Compartment pressure no greater than > ____ mmHg
Compartment pressure no greater than > 8 mmHg
How long does it take for damage from compartment syndrome to occur?
Damage can occur in 4-6 hours
What is the treatment for compartment syndrome?
fasciotomy
What is the priority nursing action for compartment syndrome?
Notify provider
What are the signs and symptoms of osteomyelitis?
S/s: bone pain, fever, leukocytosis, erythema and warmth over area
What is the treatment for osteomyelitis, and what should be considered when treating?
IV abx, surgical debridement with abx bead placement, bone graft
Challenging to treat due to ↓ blood flow and delivery of abx to bone
What are the risk factors for Avascular necrosis?
Long term corticosteroid use, radiation therapy, history of sickle cell or rheumatoid arthritis
What is the pharmaceutical treatment for phantom limb?
Beta blockers, antiepileptics (Gabapentin), antispasmotics (Baclophen) or antidepressants are common medications for treatment
What are the positioning interventions for amputations in the first 48 hours?
Elevate stump on pillow for first 24-48 hours to prevent edema
Position stump in straightened position s/p 48 to help prevent flexion contractures
What helps prepare an amputation for prothesis?
Use a ‘stump shrinker sock’ or air splint to help shrink and shape stump to prepare for prosthesis
In soft tissue trauma, what two types of injuries can result in hemorrhage, hypovolemia, infection?
Splenic Injuries and Liver Lacerations/Injuries
What are the potential complications of Small Bowel/Colon injuries?
peritonitis, ileus, compartment syndrome, need to resection or diverting ostomies
What are the potential complications of large fluid volume resitation?
paralytic ileus, compartment syndrome, pulmonary edema, fluid overload
What is FAST?
FAST: Rapid bedside ultrasound assessment for traumatic injuries performed by radiologists, surgeons, paramedics, NP
Tests for blood around heart (pericardial effusion), abdominal organs (hemoperitoneum)
Presence of free fluids in abdomen are normally as a result of bleeding
What causes thermal burns?
flames, scalding liquids, heat source
What causes chemical burns?
caustic chemicals through contact, inhalation of fumes, ingestion or injection
What causes electrical burns?
high voltage (> 1000 volts) vs low voltage (< 1000 volts)– energy is converted into heat
What type of electricity has a greater chance of causing cardiac arrest?
Alternating current (AC) has higher likelihood in causing cardiac arrest
What system failure should you be on the lookout for in a patient with electrical burns?
Electrical injury can result in greater release of myoglobin and can result in acute renal failure
What are the characteristics of a superficial 1st degree burn?
Only epidermis affected
Maybe minimal dermis impacted
Heals in 3-5 days without treatment
Erythema, painful, no edema, blanches with pressure
Not calculated for fluid resuscitation
What are the characteristics of a partial thickness burn?
Can be further classified into superficial partial thickness or deep partial thickeness
Epidermis and most of dermis affected
Can be further classified as superficial partial thickness or deep partial thickness
Blistering, moist, painful
Deep partial thickness can present with Eschar
What are the characteristics of a full thickness 3rd degree burn?
Destruction of all skin layers, through fat, fascia, muscle, and/or bone
Thick, dry, leathery appearance
Dry, discolored, no associated pain
Inhalation injuries in _____% of patients
Inhalation injuries in 20-50% of patients
What is the pathology of burns?
Acute inflammation -> Intravascular coagulation -> Cellular enzymes and vasoactive substance release ->Activation of complement ->Increased vascular permeability ->Loss of plasma proteins and fluids shift to extravascular space
Edema– peaks at 24hrs s/p burn
What is burn shock?
combination of distributive and hypovolemic shock
