L16: Thermoregulation Flashcards

1
Q

Thermoregulation

  • The newborn baby is at risk of ……..
  • This is due to ……
  • This Can Lead to …….
A
  • either hypo or hyperthermia
  • defective heat regulatory mechanisms
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2
Q

Normal temperature of the newborn is …..

A

36.5° C - 37.5 °C

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3
Q

Thermoregulation is a balance between ……

A

heat loss and heat gain

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4
Q

Methods of heat loss

A
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5
Q

Def of Hypothermia

A

Body temperature < 36.5°C

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6
Q

Def of Hyperthermia

A

Body temperature > 37.5°C

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7
Q

Def of Neutral Thermal Environment

A
  • The environmental conditions under which the core body temperature is normal with minimal caloric expenditure and oxygen consumption
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8
Q

Temperature Assesment

  • Methods
A
  • Axillary
  • Rectal
  • Oral
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9
Q

Temperature Assesment

  • Axillary
A
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10
Q

Axillary Measurement of Temperature

  • Technique
A
  • Put thermometer high in the middle of the axilla.
  • The arm is held gently but firmly at the baby’s side for approximately 5 minutes
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11
Q

Axillary Measurement of Temperature

  • Advantages
A
  • Minimal risk
  • Maintained hygiene
  • Easy assessment
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12
Q

Rectal Measurement of Temperature

  • Disadvanatges
A
  • It is an invasive procedure
  • It is not always reliable
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13
Q

Def of Hypothermia

A
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14
Q

Etiology of Hypothermia

A
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15
Q

CP of Hypothermia

A
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16
Q

CP of Hypothermia

  • Early Signs (Cold Stress)
A
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17
Q

CP of Hypothermia

  • As Hypothermia Persists
A
18
Q

Def of Cold Stress

A
  • When the initial signs of exposure to cold environment happen in the baby before actual drop of his body temperature
19
Q

Complications of Hypothermia

A
20
Q

Prevention of Hypothermia

A
  • In the delivery room
  • Incubator
21
Q

Prevention of Hypothermia

  • In The Delivery Room
A
22
Q

Prevention of Hypothermia

  • Incubator
A

Its temperature is set according to the baby’s gestational age & weight (32 - 36 °C)

23
Q

Management of Hypothermia

A
24
Q

Management of Hypothermia

  • Mild
A
  • The baby can be rewarmed by skin to skin contact, in a warm room (at least 25°C)
25
Q

Management of Hypothermia

  • Moderate
A
26
Q

Management of Hypothermia

  • Severe
A
27
Q

Management of Severe Hypothermia

  • Fast Rewarming
A
  • Fast rewarming over a few hours is preferable to slow rewarming over several days
28
Q

Management of Severe Hypothermia

  • If none of the above mentioned equipment
A

If none of the above mentioned equipment is available:
- Skin-to-skin contact or warm room or cot can be used

29
Q

Management of Severe Hypothermia

  • In each state of hypothermia feeding should continue to:
A

In each state of hypothermia feeding should continue to:

  • Provide calories and fluid
  • Prevent a drop in blood glucose level which is a common problem in hypothermic infants
30
Q

Management of Severe Hypothermia

  • If this is not possible:
A
  • Monitoring blood glucose becomes important
  • An IV line should be set up to administer glucose if needed
31
Q

Def of Hyperthermia

A

Body temperature > 37.5°C

32
Q

Etiology of Hyperthermia

A
33
Q

CP of Hyperthermia

A
34
Q

Management of Hyperthermia

A
35
Q

Management of Hyperthermia

  • If the baby is in an incubator
A

lower air temperature

36
Q

Management of Hyperthermia

  • Second Step
A

The baby
- moved away from the source of heate
- Undressed partially or totally if necessary

37
Q

Management of Hyperthermia

  • If body temperature > 40°C
A
  • The water should be warm
  • It should be 2°C lower than the baby’s body temperature
38
Q

Management of Hyperthermia

  • Frequent breastfeeding
A

Frequent breastfeeding › to replace fluids «If not possible fluids (IV or by tube)

39
Q

Management of Hyperthermia

  • Examine for Infection
A

….

40
Q

Management of Hyperthermia

  • Using cooler or cold water is dangerous
A
  • It may not achieve the desired effect
  • Cooling may be very quick, and the baby becomes hypothermic
41
Q

Complications of Hyperthermia

A
  • Dehydration
  • Intracranial hemorrhage
  • Heat stroke
  • Death