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Anatomy and Physiology > Cardiac Conduction System > Flashcards

Cardiac Conduction System Flashcards

1
Q

Myogenic definition

A

The capacity of the heart to generate its own impulses

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2
Q

what is the SAN (Sino Atrial Node)

A

Hearts pacemaker which generates the heartbeat

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3
Q

What is the AVN (AtrioVentricularNode)

A

Relays the impulses between atriums and ventricular chambers of the heart

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4
Q

What is the Bundle of HIS

A

They transmit electrical impulses from the AVN to the ventricles

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5
Q

What is ventricular systole

A

When the ventricles of the heart contract

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6
Q

How does the heart beat (6 steps)

A

Impulse
SAN
AVN
Bundle of HIS
Purkinje Fibres
Ventricular systole

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7
Q

What is cardiac hypertrophy

A

The thickening of the muscular wall of the heart so it becomes bigger and stronger in order to increase stroke volume

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Anatomy and Physiology (28 decks)

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