Why are infants more vulnerable to dehydration than adults quizlet?

Why are infants more vulnerable to dehydration than adults?

Babies and small children have an increased chance of becoming dehydrated because: A greater portion of their bodies is made of water. Children have a high metabolic rate, so their bodies use more water. A child’s kidneys do not conserve water as well as an adult’s kidneys.

Why are infants more vulnerable to fluid and electrolyte in balance is than adults?

Electrolytes are found in fluids in the body. Dehydration can upset the delicate balance of electrolytes in an infant or child. Children are especially vulnerable to dehydration due to their small size and fast metabolism, which causes them to replace water and electrolytes at a faster rate than adults.

Why are infants particularly susceptible to developing dehydration?

Infants are particularly susceptible to the ill effects of dehydration because of their greater baseline fluid requirements (due to a higher metabolic rate), higher evaporative losses (due to a higher ratio of surface area to volume), and inability to communicate thirst or seek fluid.

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Which assessment criteria is most relevant to the care of an infant with dehydration?

Clinical assessment of dehydration can be difficult, especially in young infants, and rarely predicts the exact degree of dehydration accurately. The most useful individual signs for predicting 5% dehydration in children are an abnormal capillary refill time, abnormal skin turgor and abnormal respiratory pattern.

How do I know if my newborn is dehydrated?

Parched, dry mouth. Fewer tears when crying. Sunken soft spot of the head in an infant or toddler. Stools will be loose if dehydration is caused by diarrhea; if dehydration is due to other fluid loss (vomiting, lack of fluid intake), there will be decreased bowel movements.

How do I know if my 3 month old is dehydrated?

These are some signs of dehydration to watch for in children:

  1. Dry tongue and dry lips.
  2. No tears when crying.
  3. Fewer than six wet diapers per day (for infants), and no wet diapers or urination for eight hours (in toddlers).
  4. Sunken soft spot on infant’s head.
  5. Sunken eyes.
  6. Dry and wrinkled skin.
  7. Deep, rapid breathing.

Do infants experience more insensible water loss than adults?

The newborn’s body surface area is relatively much greater than the adults and heat loss is a major factor. Insensible water losses are from the lung (1/3) and skin (2/3). Transepithelial (skin) water is the major component and decreases with increase in post-natal age.

Why do infants have a higher body surface area?

Because they are small, they have a high surface area to volume ratio and can have dramatically higher absorption through dermal contact than adults.

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Why do infants have higher fluid requirements?

First, the higher metabolic rate of children requires a greater caloric expenditure, which translates into higher fluid requirements. Secondly, children, especially infants, have a much higher body surface area to weight ratio, and this translates into relatively more water loss from skin compared with adults.

When should you worry about dehydration in a baby?

If you have a newborn or a baby younger than 3 months, call your doctor immediately if they have a rectal temperature of 100.4°F (38°C) or higher. If your baby or toddler is projectile vomiting, always call your doctor. For serious dehydration, your little one may need treatment in a hospital.

What are signs and symptoms of dehydration?

Dehydration

  • feeling thirsty.
  • dark yellow and strong-smelling pee.
  • feeling dizzy or lightheaded.
  • feeling tired.
  • a dry mouth, lips and eyes.
  • peeing little, and fewer than 4 times a day.

Can dehydration cause tachycardia?

Dehydration causes strain on your heart. The amount of blood circulating through your body, or blood volume, decreases when you are dehydrated. To compensate, your heart beats faster, increasing your heart rate and causing you to feel palpitations.

How do you assess a patient for dehydration?

Assess for clinical signs and symptoms of dehydration, including thirst, weight loss, dry mucous membranes, sunken-appearing eyes, decreased skin turgor, increased capillary refill time, hypotension and postural hypotension, tachycardia, weak and thready peripheral pulses, flat neck veins when the patient is in the …

What percentage is correct for severity of dehydration?

Assessment of severity

Mild dehydration (<5%) Moderate dehydration (5-9%) Signs mildly to moderately abnormal
Extremities Warm Warm
Peripheral pulses Normal Normal
Eyes & fontanelle Not sunken Sunken
Mucous membranes Moist Dry
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What are the stages of dehydration?

Most doctors divide dehydration into three stages: 1) mild, 2) moderate and 3) severe. Mild and often even moderate dehydration can be reversed or put back in balance by oral intake of fluids that contain electrolytes (or salts) that are lost during activity.

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