Obj. 16/17 - the world is out to get you Flashcards
Shivering reflex disappears as hypothermia worsens.
T/F
True
What do we call it when ice crystals form in tissue?
frostbite
Name 3 differences between frostbite and chilblains.
Frostbite: tissue is white/blue
Chilblains: tissue is red
Frostbite: tissue is insensitive
Chilblains: painful
Frostbite: caused by exposure to freezing temps
Chilblain: caused by exposure to nonfreezing temps
You should give lactated ringer’s for hypothermia.
T/F
False. Do not give; cold liver doesn’t like it.
What is the progression of heat emergencies and each stage’s main s/s?
Heat cramps - painful muscle cramps
Heat exhaustion - dehydration s/s but no CNS symptoms
Heat stroke - altered mental status, multiorgan tissue destruction
What are the 3 main age groups with high risk of drowning?
< 5 yo (highest)
15-24 yo
elderly
What are the two types of decompression sickness?
- deep aching pain in large joints
2. cardiac, resp, or CNS symptoms
What are two prophylactic medications for altitude sickness?
acetazolamide
nifedipine
Persistent dry cough and dyspnea in a person on top of a mountain is ____ until proven otherwise.
high altitude pulmonary edema
Your patient is on top of a mountain and is acting drunk and cannot walk in a straight line. What is it?
high altitude cerebral edema
What medication is given for high altitude cerebral edema?
dexamethasone
What type of bite has the highest likelihood of infection? Lowest?
highest: human
lowest: dog
Dog/cat/human bites are usually best left open (unless on face, for cosmetic reasons).
T/F
True
Snake bites are usually either cytolytic or neurotoxic.
Which is pit viper and which is coral snake?
pit viper: cytolytic (necrosis, hemolysis)
coral snake: neurotoxic (respiratory paralysis, dysphagia, diplopia, AMS)
What type of spider bite causes necrosis and forms an eschar?
brown recluse or hobo
