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Unit 2 Anatomy > Arteries of the Heart > Flashcards

Arteries of the Heart Flashcards

1
Q

Right coronary artery Arises from/Drains

A

Aorta

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2
Q

RCA Enters/drains into

A

Right walls of heart, right marginal artery, posterior interventricular artery

Notes: Can be found between the right auricle and the wall of the right ventricle. Most common branch that supplies the SA node and AV node-commonly in need of bypass.

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3
Q

Posterior interventricular artery Arises from/Drains

A

RCA

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4
Q

Posterior interventricular artery
Enters/Drains Into

A

Posterior wall of heart, posterior interventricular septum

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5
Q

LCA Enters/Drains into

A

Left walls of heart, circumflex artery

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6
Q

Anterior interventricular artery (aka Left anterior descending or LAD)
Arises from/Drains

A

LCA

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7
Q

Anterior interventricular artery (aka Left anterior descending or LAD)
Enters/Drains Into

A

Left walls of heart, anterior interventricular septum

Notes: “Windowmaker” artery-blockages here are highly dangerous. Commonly in need of bypass

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8
Q

Circumflex artery Arises From/Drains

A

LCA

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9
Q

Circumflex artery Enters/Drains Into

A

Left walls of heart

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10
Q

Pulmonary trunk Arises From/Drains

A

RV

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11
Q

Pulmonary trunk
Enters/Drains Into

A

PAs

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12
Q

Pulmonary arteries
Enters/Drains Into

A

Arteries of lungs to the alveoli

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13
Q

Ascending aorta
Arises From/Drains

A

LV

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14
Q

Pulmonary arteries
Arises From/Drains

A

Pulmonary trunk

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15
Q

Arch of aorta
Arises From/Drains

A

Ascending aorta

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16
Q

Ascending aorta
Enters/Drains Into

A

Arch of aorta

17
Q

Arch of Aorta Enters/Drains Into

A

Brachiocephalic trunk, L common carotid artery, L subclavian artery, descending thoracic aorta

Notes: Left recurrent branch of the vagus nerve passes under the arch. The Ligamentum arteriosum spans the pulmonary trunk and arch of aorta.

18
Q

Subclavian artery
Arises From/Drains

A

Brachiocephalic trunk (right); arch of aorta (left)

19
Q

Posterior intercostal arteries
Arises From/Drains

A

Descending thoracic aorta

20
Q

Posterior intercostal arteries Enters/Drains Into

A

Thoracic wall. Anastomoses with anterior intercostal arteries

Notes: Lies on underside of each rib

21
Q

Descending thoracic aorta
Arises From/Drains

A

Arch of aorta

22
Q

Subclavian artery
Enters/Drains Into

A

Vertebral artery,, internal thoracic artery, thyrocervical trunk, axillary artery,

23
Q

Descending thoracic aorta Enters/Drains Into

A

Descending abdominal aorta, posterior intercostal arteries

24
Q

Left coronary artery
Arises from/Drains

A

Aorta

Unit 2 Anatomy (15 decks)

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