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MABS Physiology > Electrical Properties of Different Cardiac Tissues > Flashcards

Electrical Properties of Different Cardiac Tissues Flashcards

1
Q

what is the Beta Adrenergic effect (epinephrine) on the SA node?

A

increase conduction velocity
increase pacemaker rate

primary pacemaker

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2
Q

what is the Beta adrenergic effect (epinephrine) on the Atrial Muscle?

A

increase strength of contraction

expel blood from atria

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3
Q

what is what is the Beta adrenergic effect on the AV node?

A

increase conduction velocity
increase pacemaker rate

secondary pacemaker

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4
Q

what is the Beta adrenergic effect (epinephrine) on the purkinje fibers?

A

increase pacemaker rate

rapid conduction of action potential and tertiary pacemaker

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5
Q

what is the Beta adrenergic effect (epinephrine) on the ventricular muscle?

A

increase contractility

expel blood from the ventricles

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MABS Physiology (57 decks)

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