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cardiac muscle > Intrinsic regulation of heart pumping > Flashcards

Intrinsic regulation of heart pumping Flashcards

1
Q

regulation 1

A

preload

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2
Q

regulation 2

A

afterload

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3
Q

regulation 3

A

Action potentials in cardiac muscle

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4
Q

regulation 4

A

Refractory periods

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5
Q

regulation 5

A

rhythmic excitation mechanism

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6
Q

regulation 6

A

bainbridge reflex

more bloodflow to atria
more atria stretches
more SA node fires AP
= more HR

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7
Q

regulation 7

A

metabolism

heart muscle becomes more active = production of metabolites (adenosine/ co2/ lactic acid) = vasodilation = oxygen can reach tissues faster

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cardiac muscle (9 decks)

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