Blood supply to heart Flashcards

1
Q

What are the two main branches of the right coronary artery?

A

Right marginal artery, posterior interventricular artery

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2
Q

What are the three main branches of the left coronary artery?

A

Left anterior descending artery, left marginal artery, circumflex

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3
Q

What does the right coronary artery supply?

A

Right atrium and right ventricle

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4
Q

What does the right marginal artery supply?

A

Right ventricle, Apex of the heart

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5
Q

What does the posterior interventricular artery supply?

A

Posterior 1/3rd of the interventricular septum, AV node

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6
Q

What does the left anterior descending artery supply?

A

Anterior 2/3 of the interventricular septum

Right and left ventricle

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7
Q

What does the left marginal artery supply?

A

Left ventricle

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8
Q

What does the circumflex artery supply?

A

The left atrium and ventricle

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9
Q

What supplies the apex of the heart?

A

Right marginal artery

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10
Q

What supplies the interventricular septum?

A

Posterior 1/3rd= PIA

Anterior 2/3= LAD

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11
Q

What supplies the AV node?

A

Posterior interventricular artery

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12
Q

What 2 arteries can supply the SA node?

A

Right coronary artery

Left coronary artery

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13
Q

What proportion of people have SA node supply by the right coronary artery?

A

60%

40% Left coronary artery

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