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MRI > 10: MRI Chest > Flashcards

10: MRI Chest Flashcards

1
Q

Bovine

A

Cow

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2
Q

Porcine

A

Pig

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3
Q

Ovine

A

Sheep

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4
Q

The brachial plexus runs in the same track as the _____.

A

left subclavian artery

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5
Q

Thoracic outlet

A

the space between the clavicle and the 1st rib

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6
Q

The brachial plexus is a network of nerves originating from the levels of _____

A

C5-T1

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7
Q

The tract of the brachial plexus runs parallel to __________, which provides a landmark for plotting coronal brachial plexus scan planes.

A

Subclavian artery and vein

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8
Q

Symptom of Thoracic Outlet Syndrome:

A

numbness when the arm is above their head

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9
Q

Thoracic Outlet Syndrome

A

The compression of the thoracic outlet causing impingement of the brachial plexus, this usually results in pain or numbness of the shoulder, arm, or hands.

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10
Q

ECG Monitoring is achieved by placing MR-compatible leads and acquiring images when the heart is at rest. Image acquisition is performed between the _______ which would be during _____.

A

R-R Interval during distole

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11
Q

The pulmonary vein carrying deoxygenated blood rises from the:

A

left atrium

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12
Q

The most anterior chamber of the heart is the:

A

Right ventricle

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13
Q

The most posterior chamber of the heart is the:

A

Left Atrium

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14
Q

The ______ has the thickest myocardicum compared to all other chambers of the heart.

A

Left ventricle

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15
Q

The _______ provides prevention of blood flow back from the left ventricle into the left atrium.

A

Bicuspid or Mitral Valve

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16
Q

The Ascending and Descending aorta are both best visualized on ____ images of the heart.

A

Sagittal

17
Q

The area of the heart with the fastest flow of blood is at the ____ due to its close proximity to the muscle.

A

Ascending Aorta

18
Q

Coronary arteries are originated from the______

A

Aortic Root

19
Q

3 arteries that arise from the Aorta:

A
  1. Brachiocephalic artery
  2. Left Common Carotid artery
  3. Left Subclavian artery
20
Q

The inherent pacemaker of the heart supplying electrical signal to initiate contraction and is located in the right atrium and the entrance of the superior vena cava:

A

Sinoatrial node (SA node)

21
Q

Receives the electrical signal from the SA node and relays signal to Bundle of His once ventricles fill with blood

A

Atrioventricular node (AV node)

22
Q

The Atrioventricular node (AV node) receives the electrical signal from the SA node and relays signal to the:

A

Bundle of His

23
Q

Bundle of His branches off onto the periphery of the left and right ventricles along the:

A

Purkinje fibers

24
Q

Where depolarization and contraction of the ventricles occur:

A

Purkinje fibers

25
Q

Begins within the right atrium and begins once electrical signal is released from the SA node to the AV node

A

P Wave

26
Q

The time it takes electrical signal to be received by the AV from the SA node

A

P-Q Segment

27
Q

Represents depolarization of the intraventricular septum

A

Q Wave

28
Q

Represents depolorization of the main mass of the ventricles

A

R Wave

29
Q

Represents the last phase of depolarization of the base of the heart

A

S Wave

30
Q

Represents ventricular contraction and out flow of the blood

A

S-T Segment

31
Q

Represents repolarization or a reset for the next heart cycle

A

T Wave

32
Q

The Brachial Plexus is a network of nerves originating from the levels of:

A

C5 - T1

33
Q

1 minute and 15 seconds after the administration of gadolinium contrast would be considered what phase of contrast enhancement in an MRI Abdomen?

A

Venous Phase

34
Q

Malignant tumors are fed:

A

Arterially

35
Q

Hemangiomas are fed:

A

Venously

36
Q

If you are running Dynamic Imaging of an Abdomen with a known liver malignancy, at what timing will the tumor be enhanced?

A

20 Seconds

37
Q
A

MRI (13 decks)

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