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heart rate, blood pressure, respiratory rate, temperature, oxygen saturation, pain
what are the 6 types of vital signs?
vitals
measures of the body’s core ability to stay alive
signs
can be observed and/or measured
symptoms
how a person reports how they are feeling; subjective; difficult to measure
60-100 bpm
normal value for heart rate
bradycardia
<60 bpm
tachycardia
> 100 bpm
regular, arrythmia
what are types of heart rhythms?
bounding, weak
what are types of heart pulse amplitude?
determine the patient’s physiological response
what is the objective of assessing heart rate?
before (3-5 min), during, and after treatment (1-3 min)
when should you assess heart rate?
pulse oximeter, manual (carotid, radial, brachial artery)
how do you measure pulse?
maximum heart rate (220-age)
the highest heart rate a person should achieve on exertion with respect to age and medical condition
target heart rate ((220-age)x0.6 to (220-age)x0.8)
the heart rate that an individual should achieve during exercise for cardiovascular conditioning, people without contraindications should work at this heart rate
blood pressure
measure the vascular resistance to blood flow, measures effectiveness of cardiac muscle, recorded as systolic/diastolic
systolic bp
pressure against the artery walls when the heart is beating
diastolic bp
pressure against the artery walls when the heart is at rest
blood volume, vessel size, vessel compliance
what are factors that influence blood pressure
120/80 mmHg
normal value of blood pressure
hypertension (stroke or MI)
140/90 mmHg
hypotension (fainting)
90/60 mmHg
arterial line, manually (bp cuff n left arm), automated digital measurement (Dynamap)
how to measure blood pressure?
orthostatic vital signs
systolic blood pressure drops 20 mmHg or diastolic blood pressure drops 10 mmHg within 3 minutes of position change. check blood pressure and heart rate in supine, sitting, then standing
respiratory rate
number of breathing cycles per minute
PPG (photoplethysmography), observing rise and fall of chest in 1 minute
how is respiratory rate measured
12-20 breathes
normal value for respiratory rate
depth, rhythm, ease of breathing, breath sounds
what are the 4 measure of quality of breathing?
98.6
normal value of temperature
tympanic, oral, rectal, axillary (+1)
how can temperature be measured?
97%-99% SpO2
normal value for oxygen saturation
oxygen saturation (O2 sats)
percentage of oxygen carried by hemoglobin, maximum is 100%
pulse oximeter
how can oxygen saturation be measured?
severe hypoxia
saturation values up to 85= _________
visual analog scale (quantitative), pain descriptors list (qualitative)
how to pain be measured