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CP Exam 1 jop simpler > Lecture 6: Angiology > Flashcards

Lecture 6: Angiology Flashcards

1
Q

What is the ascending aorta?

A

Ascending aorta comes off of the L ventricle and is the origin of our coronary arteries.

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2
Q

Ascending aorta splits into what?

A
  1. Left coronary artery 2. Right coronary artery`
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3
Q

Branches of the R coronary artery

A
  1. Sinuatrial nodal A 2. Conus branch of the right coronary A. 3. Atrial branch of the right coronary A. 4. Right marginal A. —Loops around to the back in the atrioventricular groove, stopping at the posterior interventricular groove 5. Posterior interventricular A. 6. Right posterolateral A. 6. Atrioventricular nodal A.
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4
Q

Conus branch of the right coronary artery supplies blood to what?

A

Conus arteriosus

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5
Q

Atrial branch of the right coronary A supplies blood to what?

A

RIGHT atrium

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6
Q

Atrioventricular nodal A supplies blood to what?

A

AV node

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7
Q

Where does the psoterior interventricular artery travel?

A

Posterior aspect of the heart. Between the R and L ventricles.

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8
Q

What does the right posterolateral A supply?

A

L ventricle

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9
Q

What are the branches of the L coronary artery and what do they supply blood to?

A
  1. Circumflex A. Gives rise to:
    1. L marginal A
    1. Posterior left ventricular A–> [left ventricle]
  1. Anterior interventricular A. –> [atrioventricular bundle as it passes through the interventricular septum]
    1. Diagonal A
    1. Conus branch of the L coronary A. [conus arteriosus]
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10
Q

What does the posterior interventricular artery give rise to?

A

Septal arteries, which go into the septum and supply the atrioventricular bundle (bundle of Hiss)

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11
Q

What gives rise to more septal arteries: Anterior interventricular A of the LCA or posterior interventricular A of the RCA?

A

Anterior interventricular A of the LCA

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12
Q

What is more damaging to the conducing system of the heart?

L or R coronary artery?

A

Left.

Because Anterior interventricular A of the LCA gives rise to more septal arteries that go to the septum and supply the atrioventricular bundle (bundle of Hiss)

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13
Q

What is a coronary angioplasty?

A

Stick a balloon inside a coronary artery and inflate it. It flattens the plaque against the wall, increasing the size of the lumen and making blood flow better.

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14
Q

What comes off of the arch of the aorta?

A

BCS

  1. Brachiocephalic trunk
  2. Left common carotid a.
  3. Left subclavian a.
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15
Q

Important branch of the subclavian A

A

1. Internal thoracic A.

A. Pericardiacophrenic A–> [Pericardium* and thoracic diaphragm]

B. Anterior intercostal A,

C. Superior epigastric A–> [rectus abdominis]

D. Musculophrenic A–> laterally: 7-9th costal cartliages and intercostal space

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16
Q

What is the medial and lateral terminal branch of the internal thoracic A.

A

Medial- superior epigastric A [rectus abdominus m.]

Lateral- musculophrenic A [[7-9th costal cartliages and intercostal space]

17
Q

What does the brachiocephalic trunk branch into?

A
  1. R common carotid A
  2. R subclavian A.
18
Q

What runs with the phrenic nerve?

A

Pericardiacophrenic A.

19
Q

What supplies our mammary glands?

A
  1. Internal thoracic artery send perforating branches that become our medial mammary A.
  2. Lateral thoracic A of the axillary A branches into the lateral mammary A.
20
Q

What are the branches of the axillary artery?

A
  1. Superior thoracic A.
  2. Lateral thoracic A.
21
Q

What are the three types of branches that come off of the descending thoracic aorta?

A
  1. Unpaired visceral branches –> go to an organ, but unpaired
  2. Paired lateral visceral branches- go to pairs to a organ
  3. Paired segmental parietal branches (posterior intercostal A)- all correstpond to a single vertebrae.
22
Q

Unpaired visceral branches of the thoracic (descending aorta)

A
  1. Mediastinal A.
  2. Esophageal A.
  3. Pericardial A
23
Q

Paired lateral visceral branches of the thoracic (descending) aorta

A

Left and right bronchial A–> supply the bronchi.

24
Q

Paired segmental parietal branches of the of the thoracic aorta

A
  1. Posterior intercostal A.
  2. Subcostal A. (goes into the abdomen below the 12th rib with the subcostal N)
25
Q

Posterior intercostal arteries

A

PIA- paired segmental parietal branch.

It makes several branches

  1. Dorsal branch
  2. Collateral branches which can be damaged in thoracentesis
  3. Lateral cutaneous branch- third and final contributer to the mammary gland
26
Q

What is the third and final contributer to the mammary gland ?

A

Lateral cutaneous branch of the posterior intercostal A.

contributes to the lateral mammary branch (as well as the lateral thoracic a.)

27
Q

Medial mammary branch comes from _____

A

internal thoracic A.

28
Q

Lateral mammary branch comes from ____

A
  1. Lateral thoracic A.
  2. Lateral cutaneous branch of the posterior intercostal A
29
Q
A

CP Exam 1 jop simpler (15 decks)

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