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Flashcards in 37 - heat emergencies Deck (9)
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1
Q

4 methods of heat transfer

A
  1. conduction
    - direct contact
  2. convection
    - heat loss to air via circuation
  3. radiation
    - via electromagnetic waves
  4. evaporation
    - conversion of sweat to gas
2
Q

4 populations at risk

A
  1. athletes and military
  2. elderly
  3. those at risk for dehydration
    - babies, diuretics
  4. med that interfere with hypothal
    - antichol.
    - phenothaizines
    - MAO, TCAs
3
Q

3 levels of heat issues

A
  1. minor
  2. heat exhaustion
  3. heat stroke
4
Q

types of minor (4)

A
  1. heat cramps
    - intermittentn cramps usually after exercise
    - give oral salt solution
  2. heat edema
    - minimal edema after
    - elevation and stockings
  3. heat syncope
    - esp in elderly
    - self limiting when horizontal
  4. prickly heat
    - due to blocked sweat glands
5
Q

def. heat exhasution

A
  • malaise, fatugue, HA, thirst, weakness
  • normal core or less than 40
  • rapid revovery after saline fluid, either PO or IV
6
Q

def. heat stroke

A

medical emergency
- weakness, dizzy, N/V, anorexia, HA
can have signs of CNS dysfunction
- core >41

7
Q

Tx of stroke

A
  1. ABCs
  2. cooling - fans, ice, internal
  3. 1L NS/hr
  4. monitor output
8
Q

what is not useful

A

ASA tylenol

9
Q

2 forms of heat stroke

A
  1. classic
    - elderly, ill, seedntary, no sweat, no rhabodo see P180
  2. exertional
    - men, healthy, exercise, sweat, lactic acidosis