Class 3 Obesity and Burns Flashcards
Describe the 4 degrees of burns.
- 1st = Epidermis
- 2nd = Dermis (most painful)
- 3rd = SubQ (no pain r/t nerve damage)
- 4th = Muscle, fascia, Bone
Which burn chart is most accurate and is age adjusted?
-Lund and browder
How is burn mortality estimated?
- Age + TBSA% (>115 = 80%)
- Doubled w/ inhalation injury
What type of burn may result in myoglobinuria and renal failure?
-Electrical
What is the most common type burn in children?
Thermal
Lower airway inhalation problems arise from what two things?
-chemical or soot particles
Upper airway burns arise from what?
-Thermal from air,steam,smoke chemicals toxins
What protects the lower airway?
Laryngospasms
What size tube should be used with burn patients?
-Uncuffed, one size smaller than expected due to airway edema.
When should succs be avoided after a burn injury? When is it OK to use succs again?
- 24hrs
- Ok to use when wound is closed and patient is gain weight
The denervation like phenomenon is due to what? and causes what?
- Proliferation of acetylcholine receptors
- K release
What three things cause the need for 2-3 times the normal amount of muscle relaxant?
- Increased nicotinic ACh receptors
- change in volume of distribution
- protein binding
50-60% of fire victims die from what? Why?
- Carbon Monoxide poisoning
- CO binds to hemoglobin w/ 200X more affinity than O2
What is the adult fluid resuscitation plan?
- 2-4ml x body weight x %BSA burned
- Half 1st 8 hours
- Remaining next 16 hours
When does the hypermetabolic phase of burns begin?
after 48 hours
