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MRI Advanced applications Q > Cardiac > Flashcards

Cardiac Flashcards

1
Q

: Which of the following sequences is best suited for cardiac imaging?

A

Echo planar imaging

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2
Q

To minimize pulsatile flow motion artifacts, cardiac images are acquired by

A

Attaching ECG leads, monitoring the cardiac cycle, and triggering the sequence from each R wave

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3
Q

The most anterior chamber of the heart is the

A

left atrium

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4
Q

The most posterior chamber of the heart is the:

A

right ventricle

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5
Q

The chamber of the heart with the thickest myocardium is the:

A

left ventricle

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6
Q

The valve that prevents blood from flowing back into the left atrium from the left ventricle is known as the:

A

Mitral or bicuspid valve

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7
Q

The fastest vessel for carrying blood is the:

A

Aortic Arch

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8
Q

Where do the coronary arteries originate from?

A

Aortic root

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9
Q

: The human heart has _____ chambers

A

four

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10
Q

Which chamber of the heart does the pulmonary vein rise from?

A

Left atrium

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11
Q

Which of the following parameters would affect a cardiac function study?

A

Heart rate

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12
Q

Image 66 is a _________ view of a Cardiac MRI

A

4 chamber

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13
Q

Letter A in Image 66 is pointing to:

A

Right ventricle

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14
Q

Letter B in Image 66 is pointing to:

A

Ventricular septal wall

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15
Q

Letter C in Image 66 is pointing to

A

Apex

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16
Q

Letter D in Image 66 is pointing to:

A

Left ventricle

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17
Q

Letter E in Image 66 is pointing to:

A

Mitral valve

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18
Q

: Letter F in Image 66 is pointing to:

A

Descending aorta

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19
Q

Letter G in Image 66 is pointing to:

A

Left atrium

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20
Q

Letter H in Image 66 is pointing to:

A

Right atrium

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21
Q

Letter K in Image 66 is pointing to:

A

Tricuspid valve

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22
Q

The largest ventricle in the heart is the _______ and is identified by Letter ____ in Image 66.

A

Left ventricle; D

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23
Q

The most anterior chamber of the heart is the __________ and is identified by letter _____ in Image 66

A

Right ventricle; A

24
Q

The most posterior chamber of the heart is the ______ and is identified by letter ____ in Image 66

A

Left atrium; G

25
Q

The pulmonary vein returns oxygenated blood back to the heart into the ____________, identified by Letter ____ in Image 66.

A

Left atrium; G

26
Q

Letter A in Image 67 represents the __________ segment of the left ventricle:

A

Apex

27
Q

Letter B in Image 67 represents the _________ segment of the left ventricle

A

Apical

28
Q

Letter C in Image 67 represents the __________ segment of the left ventricle

A

Mid-plane

29
Q

Letter D in Image 67 represents the _________ segment of the left ventricle.

A

Basal

30
Q

Letter E in Image 67 is pointing to:

A

Mitral valve

31
Q

Letter F in Image 67 is pointing to:

A

Pulmonary vein

32
Q

The __________ returns oxygenated blood back to the heart into the left atrium, and is identified by Letter ____ in Image 67.

A

: Pulmonary vein; F

33
Q

: Image 68 is an example of a set of _________ blood images acquired in the __________ view/plane.

A

Black; axial

34
Q

Letter A in Image 68 is pointing to

A

Left ventricle

35
Q

Letter B in Image 68 is pointing to:

A

Interventricular septum

36
Q

Letter C in Image 68 is pointing to

A

Descending aorta

37
Q

Letter D in Image 68 is pointing to:

A

Right ventricle

38
Q

Letter E in Image 68 is pointing to:

A

Left atrium

39
Q

Letter F in Image 68 is pointing to:

A

Right atrium

40
Q

Image 69 is an example of a _________ blood image acquired in the __________ view/plane

A

Bright; short axis

41
Q

Letter A in Image 69 is pointing to

A

Papillary muscles

42
Q

: Letter B in Image 69 is pointing to

A

Left ventricle

43
Q

Letter C in Image 69 is pointing to

A

Right ventricle

44
Q

Letter D in Image 69 is pointing to

A

Myocardium

45
Q

Image 70 is an example of a _________ weighted image acquired in the __________ view/plane

A

T2 STIR; short axis

46
Q

Letter A in Image 70 is pointing to:

A

Lung

47
Q

Letter B in Image 70 is pointing to:

A

Myocardium

48
Q

Letter C in Image 70 is pointing to:

A

Right ventricle

49
Q

: Letter D in Image 70 is pointing to:

A

Left ventricle

50
Q

The ___________ valve lies between the left atrium (LA) and the left ventricle (LV).

A

Mitral

51
Q

Heart Rate 80bpm, Trigger delay 50ms, Trigger window 10%, what is the available imaging time?

A

625 ms

60000 ÷ 80 = 750ms. 750 – (75<10% of 750> + 50 —125) = 625 ms total available imaging time.

52
Q

Calculate the available imaging time for a patient with a HR 60 beats/min, trigger window 10% and trigger delay of 50ms.

A

850 ms

53
Q

Calculate the effective TR for a patient with a heart rate of 60 beats / min.

A

1000 ms
If the heart rate is 60 beats per minute, the R-R interval (effective TR) would be calculated as such: 60,000 milliseconds (60 seconds per minute, and there are 1000 milliseconds per second) ÷ 60 (heart rate) which = 1000 milliseconds TR.

54
Q

Calculate the effective TR for a patient with a heart rate of 85 beats / min.

A

706 ms
60,000 / 85 = ~706

55
Q

Which sequence would be best suited to evaluate a cardiac infarction?

A

Perfusion

MRI Advanced applications Q (3 decks)

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