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Fundamentals of Nursing Ch 7
Assessing Vital Signs
19
Nursing
Undergraduate 1
09/19/2010

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Term
Apical Pulse
Definition
The heart rate counted at the apex of the heart on the anterior chest
Term
basal metabolic rate (BMR)
Definition
the amount of energy needed to maintain essential basic body functions expressed as calories per hour per square meter of body surface
Term
bradycardia
Definition
a heart rate less than 60 beats/minute
Term
bradypnea
Definition
a respiratory rate less than 12 breaths/minute
Term
diastolic blood pressure
Definition
the pressure in the blood vessels that remains during relaxation of the ventricles
Term
eupnea
Definition
normal quiet respirations with a rate of 12 to 20 breaths/minute in an adult at rest
Term
Korotkoff's sounds
Definition
five distinct sounds heard as a blood pressure cuff is deflated from total occlusion of the artery to complete free flow of blood
Term
orthostatic hypotension
Definition
a blood pressure drop of 20 mm Hg or more that occurs with a change in the client's position
Term
oxygen saturation
Definition
the amount of oxygen in a client's arterial blood.
Term
peripheral vascular resistance
Definition
the impediment of blood flow through the vascular system
Term
pulse deficit
Definition
the condition of the apical pulse rate exceeding the radial pulse rate
Term
pulse oximeter
Definition
an electronic device that mearsures the amount of oxygen in a client's blood through a sensor unit or probe
Term
pulse pressure
Definition
the difference between the systolic and diastolic blood pressures
Term
systolic blood pressure
Definition
the pressure in the arteries produced by the cardiac output during contraction of the ventricle
Term
tachycardia
Definition
a heart rate greater than 100 beats per minute
Term
tachypnea
Definition
a respiratory rate of more than 20 breaths/minute
Term
thermogenesis
Definition
the generation of heat from the chemical reactions that take place in a cellular activity
Term
thermolysis
Definition
the processes through which heat is dispersed from the body through radiation, conduction, convection and evaporation
Term
tidal volume
Definition
the volume of air exchanged with each breath
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