Nurs 208 - Vital Signs and Pain Assessment Flashcards
List the 5 Vital Signs
Pulse Respirations Temperature Blood Pressure SpO2
Pulse
By palpating the peripheral pulse you can measure the rate and rhythm of the heartbeat, as well as obtain local data on the condition of the artery
What is the average stroke volume in adults?
70 mL
How to assess a pulse
Use the pads of your first 3 fingers
Palpate the radial pulse at the flexor of the aspect of the wrist laterally along the radius bone
Press until you feel the strongest pulsation
If the rhythm of the pulse is regular…
count the number of beats in 30 seconds and multiply by 2
If the rhythm of the pulse is irregular…
as in atrial fibrillation, always count for a full minute
Why can’t we count the pulse for 15 seconds?
any one-beat error in counting results in a recorded error of 4 beats per minute
Pulse: It is more important to establish the _______ so that you can accurately determine the _____
Rhythm
Rate
4 Things to Assess for Pulse
Rate
Rhythm
Force
Equality (when comparing pulses bilaterally)
All symmetrical pulses should be assessed bilaterally except for the ______ pulse
Carotid
Normal Resting Heart Rate (Pulse)
50 to 96 beats/min
or
60 to 100 beats/kmin
What is the name for a heart rate of less than 50 beats/min?
Bradycardia
What is the name for a heart rate of more than 95 or 100 beats/min?
Tachycardia
Heart rates in the 50s/min normally occur in? Why?
Well trained athletes because their heart muscle develops along with the skeletal muscles
Rapid heart rates normally occur with _____ or with increased ______ to match the body’s demand for increased _______
Anxiety
Exercise
Metabolism
Pulse: Rhythm
Normally has an even tempo
What is the name for an irregularity in pulse that is common in children and young adults
Sinus Arrythmia
- in which the heart rate varies with the respiratory cycle
speeding up at peak of inspiration
slowing to normal with expiration
If any irregularities are detected what do you do?
auscultate heart sounds for a more complete assessment
Pulse: Force
Shows the strength of the heart’s stroke volume
Pulse Force 3 Point Scale
3+ = Full Bounding 2+ = Normal 1+ = Weak, thread 0 = Absent
some agencies use a 4 point scale
A “weak, thready” pulse reflects…
Decreased stroke volume
as occurs with hemorrhagic shock
A “full, bounding” pulse reflects..
Increased stroke volume
as occurs with anxiety, exercise, and some abnormal conditions
Respirations
Normally a patient’s breathing is relaxed, regular, automatic, and silent
Count for 30 seconds and multiply by 2
Count for a full minute if you suspect an irregularity
Why can’t we count respirations for 15 seconds?
The result can vary by a factor of +/- 4 which is significant with such a small number
What is one full cycle for respirations
Inspiration and Expiration = 1 cycle
NORMAL RESPIRATORY RATES
Neonate
30-40
NORMAL RESPIRATORY RATES
1 year
20-40
NORMAL RESPIRATORY RATES
2 years
25-32
NORMAL RESPIRATORY RATES
4 years
25-30
NORMAL RESPIRATORY RATES
8-10 years
20-26
NORMAL RESPIRATORY RATES
12-14 years
18-22
NORMAL RESPIRATORY RATES
16 years
12-20
NORMAL RESPIRATORY RATES
Adult
10-20
What is blood pressure?
The force of blood pushing against the side of the vessel wall
Systolic Pressure
The maximum pressure felt on the artery during left ventricular contraction or systole
Diastolic Pressure
The elastic recoil, or resting, pressure that the blood exerts constantly between each contraction
Pulse Pressure
The difference between the systolic and diastolic pressures and reflects the stroke volume
Mean Arterial Pressure (MAP)
the pressure forcing the blood into the tissues, averaged over the cardiac cycle
A value closer to diastolic pressure plus 1/3 of the pulse pressure
Influences on Blood Pressure (8)
Age - rises
Sex - Before puberty, no difference. After puberty, girls have lower BP than males. After menopause, BP higher in women than males
Ethnocultural Considerations - African decent have higher than European descent
Dirunal Rhythm - BP highest in late afternoon or early evening, declines to an early morning low
Weight - BP higher in obese
Exercise - Increases, Within 5 minutes of terminating exercise it normally returns to baseline
Emotions - momentarily rises with fear, anger, and pain as a result of the Sympathetic nervous system
Medications
Width of BP Cuff
Should equal 40% of the circumference of the patient’s arm
6 sizes (from newborn to extra large adult) Match the appropriate size cuff to the patient's arm size and shape not to the patient's age
What happens if you use a cuff size that is too narrow?
Why?
it will yield a falsely high BP because it takes extra pressure to compress the artery
The aneroid gage is subject to drift; it must be recalibrated at least _____ each year and it must rest at _____
once
zero
BP Recommended Procedure
Allow at least a 5-minute rest before measuring BP
Take 3 BP measurements separated by 2 minutes, discard the first, average the second 2
Center the deflated cuff 2.5 cm (1 inch) above the brachial artery
Palpate brachial artery, inflate cuff until pulse is obliterated and then 20-30mmHg beyond to prevent an auscultatory gap
Deflate cuff completely, then wait 15 to 30 seconds before reinflating so that the blood trapped in the veins can dissipate
Reinflate cuff
deflate cuff slowly and evenly, about 2mmHg per heartbeat
When do we verify BP in both arms?
On admission or for first complete physical examination
True or False. On occasion, a 5 to 10 mmHg difference may occur in BP in the two arms (if values are different, record the higher value)
True
A difference in the two arms of more than 10 to 15 mmHg may indicate…
a renal obstruction on the side with the lower reading
BP is falsely ____ when the legs are crossed
High
Auscultatory gap
a period when Korotkoff’s sounds disappear during auscultation
occurs in about 5% of people, most often in those with hypertension caused by a noncompliant arterial system