Rotation: Nuclear Medicine (V/q)

Front 1

What is a stripe sign

Back 1

a mismatch with normal peripheral perfusion abutting the pleural surface

Front 2

What is a triple mismatch

Back 2

defect on cxr, ventillation and perfusion scans

Front 3

What percent of patients with a high probability scan have a PE

Back 3

75%

Front 4

What percent of patients with an intermediate scan have a pe

Back 4

20-75%

Front 5

What percent of patients with a low probability scan have a PE

Back 5

10-20%

Front 6

What percent of patients with a normal study have a PE

Back 6

less than 2 %

Front 7

What percent of patients with a very low probability scan have a PE

Back 7

2-10%

Front 8

What is the criterion for high probability PE

Back 8

2 large mismatches

Front 9

What is the phrase used for a limited study?

Back 9

limited portable 3-view anterior examination.

Front 10

What is the phrase used to describe if the ventilation and perfusion scan defects match in conclusion

Back 10

lung ventilation defect with corresponding perfusion defect constistent with pulmonary parenchymal disease.

Front 11

How many segments does the right lower lobe contain

Back 11

5

Front 12

What are the segments of the right lower lobe

Back 12

superior segment
anterior basal
lateral basal
posterior basal
medial basal

Front 13

How many segments are in the right upper lobe

Back 13

3

Front 14

What are the segments of the right upper lobe

Back 14

apical
posterior
anterior

Front 15

How many segments of the right middle lobe

Back 15

2

Front 16

What are the segments of the right middle lobe

Back 16

medial and lateral segment

Front 17

How many segments in the left upper lobe

Back 17

4

Front 18

What are the segments of the left upper lobe

Back 18

apicoposterior
anterior
superior lingula
inferior lingula

Front 19

How many segments does the left lower lobe contain

Back 19

4 segments

Front 20

What are the lobes of the left lower lobe

Back 20

superior
anterior basal
lateral basal
posterior basal

Front 21

What segment of the right lower lobe is not in the left lower lobe

Back 21

the medial basal

Front 22

What segments are seen in anterior view of the right lobe

Back 22

apical
anterior
medial and lateral middle lobe
anterior basal (medial to the medial middle lobe at the bottom)

Front 23

What segments are seen in the anterior veiw of the left lobe

Back 23

apicoposterior
anterior
superior lingula
inferior lingula

Front 24

What 3 segments of the RUL are seen in RLAT position

Back 24

apical
posterior
anterior

Front 25

What segments of the RML are seen in RLAT position

Back 25

All of the lateral and at the border of the front there is a little of the medial

Front 26

What 3 segments of the RLL are seen in RLAT position

Back 26

Superior
anterior basal
lateral basal

Front 27

What 4 segments of the LUL are seen in the LLAT postion

Back 27

apicoposterior
anterior
superior lingula
inferior lingula

Front 28

What 3 segments of the LLL are seen in the LLAT position

Back 28

superior
anterior basal
lateral basal

Front 29

What causes a matched defect in the LPO positon in a V./Q scan

Back 29

the aortic arch

Front 30

What type of tracer is used in the ventilation portion of a V/Q scan

Back 30

DTAP

Front 31

What type of tracer is used in a perfusion part of a v/q scan

Back 31

MAA (5mCi)

Front 32

When looking at a VQ scan how do you describe a patch ventilate lung

Back 32

mild/mod/sever non-homogenous distrubution of radionuclide throughout the lung.

Front 33

If the lung is small on ventilation portion of the V/Q scan how do you describe it

Back 33

mild/mod/sever volume loss.

Front 34

What is seen in the superior right lobe in the RAO postiion

Back 34

apical, anterior

Front 35

What is seen in the middle lobe right lobe in the RAO postion

Back 35

lateral, medial

Front 36

What is a normal report on V/Q scan

Back 36

aerosol ventilation study shows homogenous distribution of radionuclide throughout both lungs

perfusion images demonstrate homogenous distribution of macroaggregate throughout both lungs

Front 37

When are xenon aerosol studies typically used

Back 37

to look for bronchopulmonary fistulas

Front 38

How many segments are seen in the LAO position

Back 38

5

Front 39

What segments of the LUL are seen in the LAO position

Back 39

apicoposterior
anterior
superior lingula
inferior lingula

Front 40

What segments are seen in the LLL in the LAO position

Back 40

anterior basal.

Front 41

How many segments are seen in the RAO position

Back 41

5 (LAO has 5 too)

the only difference between the two is in LAO u see superior and inferior lingula (on top of eachother) and on the RAO you see medial and lateral segment of the RML next to eachother.

Front 42

What segments are seen in the RUL while in the RAO postion

Back 42

apical
anterior

Front 43

What is a large segmental defect

Back 43

>75%

Front 44

What is a moderate sized segmental defect

Back 44

25-75

Front 45

What is a small segmental defect

Back 45

less that 25%

Front 46

-Nonsegmental perfusion defects (cardiomegaly, enlarged vasculature, overlying structures)

Back 46

very low

Front 47

Perfusion defect significantly smaller than corresponding chest radiography (im assuming a consolidation and therefore this would be a triple match?

Back 47

very low

Front 48

1-3 smalll perfusion defects (rat bites)

Back 48

very low

Front 49

solitary chest radiograph perfusion matched defect in MIDDLE OR UPPER lung zones confined to a single segment

Back 49

very low

Front 50

-stripe sign around a perfusion defect

Back 50

very low

Front 51

pleural effusion in at least 1/3rd of pleural cavity with no other perfusion defect in either lung

Back 51

very low

Front 52

Matched VQ defects less than 50% with clear chest (must be greater than 3 small perfusion defects)

Back 52

low

Front 53

Moderate sized pleural effusion (greater than costophrenic angle but less than one-third of pleural cavity with no other perfusion defect in either lung)

Back 53

low

Front 54

At least 1 moderate, but less than 2 large (or arithmetic equivalent), mismatched segmental perfusion defects

Back 54

intermediate

Front 55

Triple match in the lower lobes of the lungs are considered intermediate (Middle lobes and upper lobes may be low probability)

Back 55

intermediate

Front 56

matched V/Q defects covering more than 50% of lungs

Back 56

intermediate

Front 57

Corresponding V/Q defect and a small pleural effusion.

Back 57

intermediate

Front 58

If the ventilation defects are larger than the perfusion it must not take up more than 75% of the lung or it is intedeterminate

Back 58

intermediate

Front 59

At least 2 large (or arithmetic equivalent) mismatched segmental perfusion defects
Moderate or large perfusion defects substantially larger than CXR abnormality (V normal): Can count as mismatched
Arithmetic equivalent: 2 moderate = 1 large (note: Small defects do not add up to either moderate or large)

Back 59

high