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Cardiopulmonary > Myocardial Blood Supply > Flashcards

Myocardial Blood Supply Flashcards

1
Q

Right coronary artery
Origin:

A

Right aortic sinus

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2
Q

Right coronary artery
Distribution:

A

Right atrium, SA and AV nodes, posterior portion in IV septum

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3
Q

Artery to sinoatrial node
Origin:

A

60% Right Coronary Artery

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4
Q

Artery to sinoatrial node
Distribution:

A

SA node and pulmonary trunk

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5
Q

Right marginal
Origin:

A

Right coronary artery

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6
Q

Right marginal
Distribution:

A

Right ventricle and apex of heart

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7
Q

Posterior Interventricular
Origin:

A

Right coronary artery

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8
Q

Posterior Interventricular
Distribution:

A

Right and Left ventricles
IV septum

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9
Q

Atrioventricular node
Origin:

A

Right coronary artery (80% of time)

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10
Q

Atrioventricular node
Distribution:

A

AV node

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11
Q

Left coronary artery
Origin:

A

Left aortic sinus

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12
Q

Left coronary artery
Distribution:

A

Left atrium and ventricle
IV septum
AV bundle
AV node (40% of time)

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13
Q

Artery to sinoatrial node
Origin:

A

40% circumflex branch

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14
Q

Artery to sinoatrial node
Distribution:

A

SA node
Left atrium

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15
Q

Anterior interventricular
(left anterior descending “LAD”)
Origin:

A

Left coronary artery

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16
Q

Anterior interventricular
(left anterior descending “LAD”)
Distribution:

A

Right and Left ventricles
IV septum

17
Q

Circumflex
Origin:

A

Left coronary artery

18
Q

Circumflex
Distribution:

A

Left atrium and ventricle

19
Q

Left marginal
Origin:

A

Left circumflex

20
Q

Left marginal
Distribution:

A

Left border of left ventricle

Cardiopulmonary (8 decks)

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