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What is the best test to views bony structures and solid organs?- answers -:CT
What is the best test for viewing soft tissue structures?- answers -:MRI
What is the best test to view teeth, maxilla and mandible?- answers -:Panoramic
radiograph
What is the best test to view vascular structures of neck, face, and brain vessels?-
answers -:CT angiography
What test is best to identify free fluid and fluid-filled structures?- answers -
:Ultrasound
What symptoms will be seen with a spinal cord concussion?- answers -:Sudden
loss of motor & sensory function. Complete recovery occurs within 72 hours
What are the causes of a spinal cord contusion?- answers -:Caused by
hemorrhage and edema around the cord, blossoms over times
,What area of the spinal cord has the fibers that control the upper extremities and
torso?- answers -:They are located in the center of the cord
What area of the spinal cord has fibers that control the lower extremites?-
answers -:They run along the outer edges of the cord
What does central cord damage produce?- answers -:It causes paralegia, in which
the leg function exceeds that of the arms
They can sing and dance, but can't play the piano
What is seen with Spinal Shock?- answers -:Temporary loss of spinal reflex activity
"Limp Noodles"
Resolves in hours-to-weeks
As it resolves, pt develops contractures, spasticity & hyperreflexion
What is neurogenic shock & what happens?- answers -:It is a distributive shock,
causing massive vasodilation causing relative hypovolemia leading to inadequate
tissue and organ perfusion.
What symptoms are seen with neurogenic shock?- answers -:Bradycardia,
hypotension, and widened pulse pressure
What are injuries seen with lap belts only?- answers -:Lumbar spine fractures are
a risk, and may not be evident until the patient stands
,How much volume can a pelvic fracture lose?- answers -:High risk of hemorrhage,
and lose 750-5000 ml of blood
How are open book pelvic fractures managed?- answers -:May be managed with
external fixators
How are lateral compression fractures managed?- answers -:Usally required ORIF
How much hemorrhagic volume is associated with a humerus fracture?- answers -
:500-1500 ml
How much hemorrhagic volume is associated with a tibia/fibula fracture?-
answers -:250-1000ml
How much hemorrhagic volume is associated with a femur fracture?- answers -
:500-3000 ml
What are signs of uncompensated hemorrhagic shock?- answers -:Hypotension,
tachycardia, Narrow pulse pressure, increased shock index
What is the goal of permissive hypotension?- answers -:Keep SBP<90, Plug the
holes, then replace volume with blood products
What is the risk of aggressive fluid resuscitation?- answers -:It contributes to
endothelial damage and capillary leakage
, What is the preferred fluid replacement with hemorrhagic loss?- answers -:Plasma
is the preferred initial replacement. It has large molecules that stay in the vascular
space. It also contains the clotting factors, which address bleeding.
What is TIC-Trauma induced coagulopathy?- answers -:Is is stimulated by factors
released from damaged cells, particularly the brain. Two tests that monitor it- TEG
or ROTEM which provide real-time visual representation of clot formation and
lysis
What are the risks of Lefort Fractures?- answers -:They are associated with
hemorrhage and airway comprimise due to blood in the airway, edema, and
unsupported facial bones. Keep patient sitting up and leaning forward. If they
have resp effort, apply O2 by any means.
What is hyphema and how is it treated?- answers -:It is blood in the anterior
chamber of the eye. Elevate HOB to pool blood in the lower portion of the
anterior chamber. Avoid analgesics with antiplatelet effects - NSAIDS and ASA
What is Zone 1 of the neck?- answers -:It is the lowermost portion, from the
sternal notch to cricoid cartilage
What is Zone 2 of the neck?- answers -:The majority of the neck, from cricoid to
angle of the mandible
What is Zone 3 of the neck?- answers -:It is from the angle of the mandible to the
base of the skull