PR Flashcards
▪a wave of blood created by contraction of the left ventricle of the
heart
▪distention or pulsation of arteries produced by the wave of blood
▪a wave can be felt when direct pressure is applied at pulse sites
Pulse
represents the stroke volume output & compliance of
arteries
Pulse Wave
empties 70 ml (SV) of blood
Each Heart contraction
SV x HR/min
CO
heart pumps 4-6 L/min
Adut @ rest
ANS
-Parasympathetic
-Sympathetic
Regulation of Pulse
number of pulse beats in one full minute
Pulse Rate
Normal Range of PR for adults and adolescents
60-100 beats/min
- rapid pulse rate exceeds 100
beats/min @ rest (adult) can exceed 150 beats/min - exercise
Tachycardia
awareness of one’s own heart
contraction and can accompany tachycardia
Palpitation
slow pulse rate less than 60 beats/min (adult)
Bradycardia
pattern by which heartbeats are spaced, normally regular with each beat
Pulse Rhythm/Regularity
irregular pattern/rhythm of heartbeats
Dysrhythmia/arrhythmia
quality of pulsation felt usually is related
to the amount of blood pumped with each
heartbeat , or the force of heart
contraction
Pulse Volume/ Amplitude
9 Factors affecting PR
- AGE
- SEX
- EXERCISE
- FEVER
- MEDICATIONS
- HEMORRHAGE
- STRESS
- POSITION CHANGES
- PATHOLOGY