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Cardiac 1 > Wall segments and coronary artery perfusion > Flashcards

Wall segments and coronary artery perfusion Flashcards

1
Q

Do the LCA and RCA arise from the superior or inferior aspect of their respective sinuses?

A

Superior

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2
Q

What coronary artery does the RCA divide into?

A

R posterior descending artery and a marginal branch

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3
Q

What CA perfuses the anterior portion of the R ventricle?

A

LAD

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4
Q

What CA perfuses the basal inferoseptal and inferior wall segments?

A

RCA

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5
Q

What does the RCA supply?

A

Inferior and posterior and RV free wall

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6
Q

What does the LAD supply?

A

Anterior, septum, and apex

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7
Q

What does the L Cx supply?

A

Lateral and posterior (anterolateral and inferolateral segments)

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8
Q

What wall is the posterobasal ventricular septum?

A

Inferoseptal

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9
Q

What wall is the posterobasal wall?

A

Inferior

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10
Q

What wall is the posterobasal lateral wall?

A

Inferolateral

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11
Q

What coronary artery perfuses the apex?

A

LAD

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12
Q

What is the term for lack of blood perfusion?

A

Ischemia

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13
Q

How to obtain AP4?

A

4th to 5th intercostal space with indicator at 3 o’clock

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14
Q

What coronary arteries or artery perfuses the infero-lateral segment?

A

RCA and L Cx

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15
Q

What coronary artery or arteries perfuse the infero-septal segment?

A

RCA and LAD

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16
Q

At what level of what anatomy is the basal, mid, and apical levels?

A

Basal = MV level
Mid = PM level
Apical = apex level

17
Q

What is the best assessment of CAD?

A

Coronary angiography

18
Q

What coronary artery does the L Cx give rise to in a L dominant patient?

A

Posterior descending artery

19
Q

What coronary artery perfuses the posteromedial PM?

A

RCA

20
Q

What coronary artery perfuses the anterolateral PM?

A

All of them

21
Q

Hypokinesis

A

Reduced amplitude and velocity of endocardial motion and wall thickening in systole (<5mm) causing a DELAY in the onset of contraction and relaxation

22
Q

Akinesis

A

Absence of inward endocardial motion or wall thickening in systole (<2mm)

23
Q

Dyskinesis

A

Outward bulging of the wall segment in systole and is associated with thin or scarred myocardium

24
Q

What wall motion abnormality occurs with a thin, scarred myocardium?

A

Dyskinesis

25
Q

Aneurysmal

A

Diastolic contour abnormality with dyskinesis

26
Q

What type of wall abnormality occurs in ischemia?

A

Hypokinesis - delay in the onset of contraction and relaxation

Cardiac 1 (9 decks)

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