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HEART RATE, CARDIAC OUTPUT, Drugs, Anxiety, Endurance athletes - Coggle…
HEART RATE
SNS ⬆︎
norepinephrine
epineprhine
PSNS ⬇︎
acetylcholine
T3-T4 ⬆︎
Body temperature ⬆︎
Calcium
↑ calcium
⬆︎
↓ calcium
⬇︎
BRADYCARDIA
↑ Potassium
⬇︎
peripheral chemoreceptors ⬆︎
⇧
↓ PO2
↑ PCO2
↓pH
TACYCARDIA
AGE
Fetus/infant
: 120-140 bpm
Adults
: 60-80 bpm
♂ 67-72 bpm
♀ 72-80 bpm
Older
: ↑↑↑ HR
CARDIAC OUTPUT
STROKE VOLUME
PRELOAD
EDV⬆︎
VENOUS RETURN
⬆︎
muscular milking
respiratory pump (inspiration)
venomotor tone
venoconstriction
Filling time
↑ Heart Rate
⬇︎
MI History ⬆︎
CONTRACTILITY
Sympathetic nervous system
AFTERLOAD
Drugs
Anxiety
Endurance athletes