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Chapter 5-6
Key Concepts
60
Health Care
Undergraduate 3
09/15/2014

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Term
surgical asepsis
Definition
complete removal of microorganisms and their spores from the surface of objects
Term
medical asepsis
Definition
reducing the number and spread of microorganisms
Term
when to use surgical asepsis
Definition
any procedure that involves penetration of body tissue
Term
what does "being scrubbed" mean
Definition
being dressed in sterile gowns and gloves
Term
what does "being scrubbed" mean
Definition
being dressed in sterile gowns and gloves
Term
what must be donned before entering the OR
Definition
a mask
Term
any break in sterile technique increases
Definition
the patients susceptibility to infection
Term
the surgical team
Definition
surgeon, surgical assistant, anesthesiologist, nurse anesthetist, circulating nurse, scrub nurse, rad tech
Term
how to scrub skin
Definition
work from the center out in a circular motion with a firm stroke
Term
how to scrub skin
Definition
work from the center out in a circular motion with a firm stroke
Term
bradycardia
Definition
a slow heart rate, less than 60
Term
chronic obstructive pulmonary disease
Definition
inspiration and expiration lung capacity are diminished
Term
cyanosis
Definition
blue lips and fingertips due to lack of oxygen
Term
diastolic
Definition
blood pressure during relaxation of ventricles
Term
dyspnea
Definition
difficulty breathing from insufficient air flow to lungs
Term
sphygmomanometer
Definition
blood pressure cuff
Term
systolic
Definition
blood pressure during contraction of the venticles
Term
tachycardia
Definition
fast heart rate, over 100
Term
waht are considered the vital signs
Definition
measurement of the body, pulse, respiration, and blood pressure
Term
body temperature
Definition
balance between heat produced (body tissue) and heat lost (environment) controlled by hypothalamus
Term
how many degrees does it take to cause physiological changes in the body
Definition
2-3 degrees
Term
as body temperature increases
Definition
the body's demand for oxygen increases
Term
what are the symptoms of a fever
Definition
increased pulse and respiration, aching, flushed dry skin that is hot to touch, chills, loss of appetite
Term
high temp
v
low temp
Definition
fever
v
hypothermia
Term
4 sites you take a temperature
Definition
1. oral
2. tympanic
3. rectal
4. axillary
Term
oral temperature
Definition
under tongue with an average of 98.6
Term
tympanic temperature
Definition
measures blood vessels in tympanic membrane with an average of 97.6
Term
rectal temperature
Definition
most reliable because least amount of variables and close to core of body with an average of 99.6
Term
axillary temperature
Definition
safest, noninvasive, least reliable with an average of 97.6
Term
Pulse sites
Definition
apical(heart), radial, carotid, femoral, popliteal(knee), temporal(ear), dorslis pedis, posterior tibial, brachial
Term
average pulse rate for infants
Definition
120 bpm
Term
low BP
v
high BP
Definition
rapid pulse
v
slower pulse
Term
the radial pulse
Definition
most accessible on adults, should be counted for a full minute
Term
the apical pulse
Definition
most accurate for infants and children
Term
oxygen is transported to the body tissues by
Definition
arterial blood or the arteries
Term
deoxygenated blood
Definition
returned to right side of the heart through veins and then pumped into right and left pulmonary arteries to get reoxygenated then sent to left side of heart
Term
average rates of respiration
Definition
adult: 15-20 breaths/min
cyanosis: >10 breaths/min
infants: 30-60 breaths/min
Term
factors that can affect respiration
Definition
medication, illness, exercise, or age
Term
blood pressure (flow x resistance)
Definition
blood ejected from left ventricle and the systemic vascular resistance it gets
Term
blood pressure depends on:
Definition
peripheral resistance, pumping action of the heart, blood volume, blood viscosity, and elasticity of vessel walls
Term
viscosity is determined by
Definition
the number of red blood cells int eh blood plasma (high viscosity = increased BP)
Term
how does decreased flexibility affect BP
Definition
it increases it
Term
factors that affect blood pressure
Definition
age, gender, physical development, body position, time of day, and health status
Term
morning BP
v
night BP
Definition
lower
v
higher
Term
men BP
v
women BP
Definition
higher
v
lower
Term
BP is read in what units
Definition
millimeters of mercury (mm Hg)
Term
systolic
Definition
highest point reached during contraction of left ventricle (as blood pumps into aorta)
Term
diastolic
Definition
lowest point when ventricles relax
Term
normal BP ranges
Definition
90-120/50-70
Term
hypertensive
v
hypotensive
Definition
<140/90
v
>90/whatever
Term
what does the pulse oximeter measure
Definition
oxygen saturation of hemoglobin
Term
what does the oximeter do
Definition
measures SaO2 by distinguishing between oxy and deoxy blood pulsing through tissue at finger or earlobe
Term
normal oxy
v
bad oxy
Definition
95%-100%
v
>85%
Term
oxygen is considered to be:
Definition
a medication and must be prescribed by a physician at the lowest possible amount
Term
where is oxygen piped into?
Definition
patient rooms, post-anesthesia ares, emergency suits and the diagnostic imaging department
Term
what is attached to the wall to regulate oxygen flow
Definition
a flow meter
Term
large oxygen tanks
Definition
2000 pounds of pressure per square inch, 2 regulator valves (oxygen level and rate)
Term
flow rate is measured in:
Definition
liters per minute (LPM)
Term
nasal cannula
Definition
delivers oxygen through nostrils at 1-4 LPM (any higher will dry your boogies)
Term
oxygen face masks
Definition
are only used for short periods of time and run at no less than 5LPM (to flush CO2 from mask)
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