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Flashcards in Inservice Random Deck (17):
1

How does crystal thickness effect intrinsic effiency and spatial resolution?

Thicker increases IE and decreases spatial resolution

2

How often is gamma camera linearity checked and with what?

Weekly, Bar phantom

3

How often is gamma camera spatial resolution checked? And with what?

Weekly, Bar phantom

4

How often is gamma camera uniformity checked? And with what?

daily, flood source

5

How often is gamma camera SPECT CT center of rotation checked? and with what?

Monthly, point or line source

6

For dose calibrators how often is geometry checked?

At installation and after any repairs

7

For dose calibrators how often is consistency checked? What the accepted %?

Daily, <5% diff

8

For dose calibrators how often is linearity checked?

Once at install and quaterly

9

For dose calibrators how often is accuracy checked?

annually

10

What is radiochecmial purity measuring? How is it measured?

Mo to Tc. Thin-layer chromotogrphy

11

What three pathologies other than infection is In-111 good for?

Neuroendocrine tumors, Pheo
Carcinoid
Meningoma

12

What infections can In-111 evaluate?

Intra-abdominal
Paraprostetic
IBD

13

What two cases is Gallium better then IN-111?

Disk space infection
PCP pneumonia

14

What medications interfere with MIBG?

Labelatolol
Calcium Channel Blockers

15

Whole lung v/q matched abnormality?

Swyer-james

16

Whole lung v/q mismatch?

Takayasu's arteritis
post radiation

17

For T99m-RBC how does a cavernous hemangioma appear vs a hepatic abscess?

Delayed intense uptake for hemangioma
Photopenia for abscess