Conduction System of the Heart Flashcards

1
Q

Atrioventricular Bundle

A

In heart, conducts electrical impulse from atrioventricular node into ventricles

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2
Q

Atrioventricular Node

A

This area at junction of right atrium and ventricle receives stimulus from sinoatrial node and sends impulse to ventricles through bundle of His

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3
Q

Autonomic Nervous System (ANS)

A

Portion of nervous system consisting of nerves to internal organs that function involuntarily; regulates functions of glands (especially salivary, gastric, and sweat glands), adrenal medulla, heart, and smooth muscle tissue; system is divided into two parts; sympathetic and parasympathetic

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4
Q

Bundle Branches

A

Part of conduction system of heart; electrical signal travels down interventricular septum

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5
Q

Bundle of His

A

Located in interventricular septum; receives electrical impulse from atrioventricular node and distributes it through ventricular walls, causing them to contract simultaneously

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6
Q

Pacemaker

A

Another name for sinoatrial node of heart

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7
Q

Purkinje Fibers

A

Part of conduction system of heart; found in ventricular mycardium

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8
Q

Sinoatrial Node (SA)

A

Also called ‘pacemaker’ of heart; area of right atria that initiates electrical pulse that causes heart to contract

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