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Cardio Physio > Autonomic Effects On HR And CV > Flashcards

Autonomic Effects On HR And CV Flashcards

1
Q

Produces changes in CONTRACTILITY

A

INOTROPIC effect

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2
Q

Produces changes in RATE OF RELAXATION

A

LUSITROPIC effect

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3
Q

Produces changes in HEART RATE

A

CHRONOTROPIC effect

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4
Q

Produces changes in CONDUCTION VELOCITY

A

DROMOTROPIC effect

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5
Q

Inotropes affect:

A

Ventricular CONTRACTION (Stroke Volume)

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6
Q

Chronotropes affect

A

SA node (Heart rate)

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7
Q

Dromotropes affect

A

AV node (Conduction velocity)

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8
Q

Dromotropes are affected by

A

INWARD CALCIUM current

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9
Q

Beta-1 stimulation of the heard would cause:

A

STRONGER (positive inotrope)
BRIEFER (positive lusitrope)
MORE FREQUENT (positive chronotrope) Contractions

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Cardio Physio (10 decks)

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