Exam 1 Flashcards
Thermoregulation def
is the process of maintaining the core body temperature at a nearly constant value
what happens when your temp is increased
blood vessels dialate giving flushed appearance
sweat glands become more active
what happens when your temp is decreased
blood vessels constrict trapping heat in deeper tissues
sweat glands become less active
skeletal muscle contract causing shivering
All individuals, regardless of age, gender, or race, are potentially at risk for high or low temps
know this
Populations at greatest risk for problems with thermoregulation are
Very young persons
Very old persons
Poor persons
Persons living in very hot or cold climates
what are the primary preventions of heat loss or too much heat
Avoid exposure to temperature extremes
Maintain the optimal ambient temperature in the home
Dress appropriately for the temperature
Engage in physical activity appropriate to temperature conditions
treatment depends on the
underlying cause, core temperature, age of the patient, and overall patient condition
Overall goal is to
bring body temperature into the normal temperature range before long-term effects occur
what are the strategies for hypothermia
Remove the person from cold
Provide external warming measures
Provide internal warming measures
Core rewarming must be done slowly to minimize the risk for dysrhythmias. Cardiac monitoring is required when the patient is recovering from severe hypothermia.
know this
what are the strategies for hyperthermia
Remove excess clothing and blankets Provide external cool packs Provide a cooling blanket Hydrate with cool fluids (oral or intravenous) Lavage with cool fluids Administer antipyretic drug therapy
What are signs of respiratory distress in infants?
low respirtations, chest muscles working hard, blue lips, little grunting noises
convection def
heat loss or gain through air currents
radiation def
loss of heat into surrounding air
evaporation def
loss of heat from air moluecles going back into air