Anatomy & Physiology > Intrinsic Conduction System > Flashcards

Intrinsic Conduction System Flashcards

(9 cards)

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1
Q

Coordinated

A

Cells contract together

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2
Q

Regular

A

Cells contract at right time

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3
Q

Intrinsic conduction system consists of…

A

Myocytes

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4
Q

SA Node

A

Sinoatrial node - heart beat starts here (CONTAINS PACEMAKERS)

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5
Q

Internodal pathways

A

Connects SA node and AV node. Distributes AP through atria

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6
Q

AV Node

A

Atriiventricular node. Contains backup pacemaker cells.

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7
Q

Bundle of His

A

Allows to pass AP quickly. Does not contract, and has more pacemaker cells

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8
Q

Purkinje Fibers

A

Smallest conducting fibers. Very spread out and connects to contractile cells.

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9
Q
A
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