Measuring Vital Signs Flashcards
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- Are a means of assessing vital or critical physiological functions
- Variations reflect a person’s state of health and/or functional ability of body systems
- Importance of accurate assessments, interpretation, and documentation cannot be overemphasized
Vital signs
Facility Standards for Monitoring
Hospital: every 4-8 hours
Home health setting: each visit
Clinic: each visit
SNFs: weekly to monthly
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- Is degree of heat maintained by the body
- Difference between heat produced by the body and heat lost to the environment
Temperature
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- Temperature deep within the body
- Not routinely used as requires an invasive procedure
Core Temperature
Rectal measurements are used to represent ___ temperatures, while oral and axillary reflect ___ temperatures
CORE, SURFACE
The “traditional” normal body temperature was ___ ?
98.6°F
Older lit has a lower level (mean normal oral temperature) of ___ ?
97.3°F
Recent lit has a mean body temperature of ___. with a range of ___ to ___
- 9°F
- 5°F - 98.8°F
Core Temperature cont’d
Typically, 1-2°F higher than skin temp
Temp varies based on age
Rectal sites measures ___ temp
core
Surface Temperature
___ (↑ or ↓) than core temp ?
Use oral and axillary method
Lower
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- Process of maintaining a stable temperature
- Constant body temperature = balance between heat production and heat loss
- Center of control is the ___
Thermoregulation
hypothalamus
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Is the amount of energy needed to maintain the body at rest
Basal metabolic rate (BMR)
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High thyroxine, more heat, patient feels warm even in cool environment
Hyperthyroidism
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Low thyroxine, less heat, patient feels cold
Hypothyroidism
Skeletal muscle movement
- Muscles need fuel
- Breakdown (___) of fats and carbs in muscles produce energy and heat
catabolism
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Is usually seen in infants and disappears in the first few months after birth
Non-shivering thermogenesis
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Is the transfer of heat through currents of air or water
Convection
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Is loss of heat through electromagnetic waves emitting from surfaces that are warmer than the surrounding air
Radiation
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Is the transfer of heat from a warm to a cool surface by direct contact
Conduction
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Water is converted to vapor and lost from the skin (as perspiration) or the mucous membranes (through the breath)
Evaporation
Factors That Influence Body Temperature
- Developmental level (infants and older adults more susceptible)
- Environment (warm, cold, high humidity, hot baths)
- Gender (lower when progesterone levels are low and increases when progesterone levels are high; hot flashes during menopause)
Factors That Influence Body Temperature cont’d
- Exercise (sweat evaporates and helps cool body)
- Emotions, stress
- Circadian rhythm
Variances in Temperature
Fever (aka ?)
- High body temp (greater than ___)
- Occurs in response to pyrogens (e.g. bacteria)
- Pyrogens induce secretions of substances (___) that reset the hypothalamic thermostat at a higher temp
pyrexia
100°F
prostaglandins
Variances in Temperature cont’d
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- Abnormally high body temp; fever greater than ___
Hyperpyrexia
105.8°F
Variances in Temperature cont’d
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- Core temp below normal (less than ___)
- Associated with extended exposure to cold (e.g. extreme weather, immersion in cold water, or lack of shelter and clothing)
Hypothermia
95°F