Scintigraphy Flashcards

(56 cards)

1
Q

what does “scint” mean in latin

A

spark

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2
Q

what is the diagnostic test that is used in
nuclear medicine and they take radioisotopes internally and they are put in with an IV and they follow blod to the desired tissue

A

scintigraphy

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3
Q

what also use gamma cameras to detect internal radiation but are not scint..

A

PET
and
SPECT

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4
Q

what is the test that has high sensitivity to evaluate perfusion in the left ventricle wall and thus indirectly access coranary flow

A

MPI Myocardial perdusion imaging

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5
Q

MPI can be performed with what 2 things

A
  • thallium 201 Chloride

- Sestamibi

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6
Q

pharmaceuticales labelled with 99mTc are also called what

A

sestamibi

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7
Q

what two things visualize muscles

A

thallium and sestamibi

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8
Q

red blood cells are tagged with what

A

99mTC

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9
Q

stress phase can be tested what two ways?

A
  • exercise
  • drugs:
  • dipyridamole
  • adenosine
  • dobutamine
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10
Q

what drug makes the heart go faster and stronger

A

dipyridamole

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11
Q

what drug slows the heart down

A

adenosine

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12
Q

Clincial applications of usualing thallium in MPI are? 4

A
  • diganose coranary artery disease
  • assess coranary stenosis
  • myocardial viability assesment
  • thereaputic efficacy
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13
Q

clinical uses of sestambi MPI

A
  • diagnose coranary disease
  • risk stratification after myocardial infarc
  • therapeutic efficacy
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14
Q

what is the principle objective for myocardial viability assessment

A

to see if the patient is eligible for coronary artery bypass grafting (CABG)

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15
Q

what can be used to test the viability of a myocardium

A

thallium

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16
Q

how can ischemia be evaluated

A

usuing stress-rest reinjection

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17
Q

what can u use to test the profusion of the coranry arteries

A

sestambi

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18
Q

Multi Gated Acquisition (MUGA ) is used for what

A

to study the blood flow to he heart

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19
Q

what is used to look at cardiomyopathy

A

MUGA

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20
Q

increased heart rate

A

chronotorpic effect

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21
Q

what is the small protein that is a fragment in blood after a blood clot

A

d dimer

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22
Q

what is named becuase it has two crosslinked D fragments of fibrin

A

d Dimer

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23
Q

MDCT?

A

multidetector computed tomography

24
Q

what do you do if a MDCT is not available

A

Ventilation and Perfusion imaging (V/PSCAN)

25
what are he first thing we should always do for a patient?
history and physical exam
26
what is the most common gas used for ventilation perfusion lung scintigraphy
zenon (133xe)
27
how is perfusion scintigraphy accomplished?
by injecting radiolabelled particles
28
what is the test that is noninvasive with oral administration of radiotracer that supplies information on the motility of the esophagus
scintigraphy of the esophagus
29
the radioisotopes that are used for scinitgraphy on esophagus are ones that do not get absorbed by the mucosa of the esophagus what are they
- colloids | - chelates
30
explain the methods of a scintigraphy on esophagus
radioisotopes are givein in a dilution of 10ml of water and swallowing is stimulated every 20 minuets an the time it takes them to travel the length of the entire esophagus will let one know if there is any abnormality
31
what does a manometer do
measure pressure
32
what is the most sensitive and non evasive method for detecting gastroesophageal reflux
scintigraphy
33
gastropoesis is common in who
type 1 diabetics
34
what is the most commonly used radioisotpe fpr the kidney
DTPA
35
what are the three anasramoses needed after a renal transplant
- urettral - arterial - venous
36
what is the choice test for evaluating acute pyelonephritis and renal scarring
renal cortical scintigraphy
37
what is always done for women in menapause due to the high chances of having osteoperosis
bone scintigraphy
38
what are bone scans based on
phosphate uptake in remodiling bone
39
what is the disease of the bone that is localized to one humerus
Monostotic Paget Disease
40
iodine 131 is very commonlyy used in
scintigraphy
41
what is HIDA scan used for
to asses the gallbladder
42
if you have - billary dyskinesia - billary obstruction - billary atresia - acalculosus cholecystisi then wat test will you get
HIDA scan ( cholescintigraphy)
43
what is most common the cause of a gallbladder not contracting
billary dyskinesia
44
what can be given to contract sphincter of oddi
morphine
45
what can be given to contract the gallbladder
cholexytokin
46
what is based on the fact that malignnat thyroid tissue only takes up a little iodine as compared to a normal thyroid
thyroid scan
47
what nodules are cancerous when it comes to the thyroid
cold
48
what is a more accutate test the thyroid scan
fine needle aspiation biopsy
49
most small to moderate sized goiters can be treated with..
thyroid hormone
50
who can you not give iodine 131 too
a pregnant lady or a breastfeeding lady
51
what is given to treat benign and malignant disease of the thyroid
iodine 131
52
search for occulat lesoins?
ROLL
53
search for sentinel lymph nodes
SLN
54
ROLL and SLN together
SNOLL
55
if someone bleeds more then .5 ml you do what
you embolize them
56
neoplasma IDB meckels diverticulum are what
common caused for GI bleeding