hypo/hyperthermia Flashcards
1
Q
what is hypothermia
A
nintentional reduction of core body temperature below the normal physiological limits
2
Q
how is shivering promoted
A
regional vasoconstriction- hypothalamus to release TSH and ACTH
3
Q
mild hypothermia temp valies
A
32-35
4
Q
moderate- severe hypothermia
A
<32
5
Q
causes of hypothermia
A
-Exposure to cold in the environment is the major cause
I-nadequate insulation in the operating room
-Cardiopulmonary bypass
Newborn babies.
6
Q
RF’S for HYPOTHERMIA
A
General anaesthesia
Substance abuse
Hypothyroidism
Impaired mental status
Homelessness
Extremes of age
7
Q
SIGNS OF hypothermia
A
- shivering
- cold and pale skin
- freeze
- slurred speech
confusion
resp depression
8
Q
inv for hypothermia
A
- temp
-12 lead ecg - fbc, serum electrolytes
- blood glucose
- abg
coag
cxr
9
Q
initial management of hypothermia
A
- remove from cold environment
- warm with blankets
- secure the airway
10
Q
A
