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Nuc Med > MPI > Flashcards

MPI Flashcards

1
Q

RP
Dose
Admin
TTI

A

Tl 201 Thallous Chloride: 3 - 5 mCi. Image ASAP
Tc99m Sestamibi: 8 - 30 mCi. Image 45 - 60 min later
Tc99m Tetrafosmin: 8 - 30 mCi. Image 20 - 30 min later
IV

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2
Q

Indications

A

Detection and evaluation of CAD
Evaluation of: Acute MI, CP, SOB, Hx
Evaluation of candidates for Coronary bypass

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3
Q

Contraindications

A 
Chest pain or documented MI 2 - 4 days
2nd or 3rd degree heart block
Sinus node disease
Ischemia
Low blood pressure
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4
Q

Patient Prep

A

DC beta blockers & calcium channel blockers x24
DC viagra x48
NPO 4 - 12
10 - 12 lead EKG

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5
Q

Positioning

A

Supine with arms above head

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6
Q

Target organ
Critical organ
Route of excretion
Localization

A

Target: Myocardium
Critical: Liver & GI
Excretion: Bowel
Localization: Passive transport

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7
Q

Treadmill Protocol

A

10 - 12 lead EKG, take baseline
Target HR: (220-age)0.85
Inject and flush on physician order
Maintain exercise 60 - 90 seconds after injection
Bruce - 10% incline at 1.7 mph. +2%/3 min
Modified Bruce - 0% incline at 1.7 mph

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8
Q

Dobutamine Protocol

A

Connect patient to pump
Begin 5 levels of drip on physicians order
inject and flush
Used for known asthma or pulmonary disease
Wait 45 min and image
Antidote - Lopressor

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9
Q

Diprydamole Protocol

A

Dose: 0.57mg/kg over 4 minutes
inject at 3 minutes
Wait 45 min and image
Antidote - Aminophylline

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10
Q

Adenosine Protocol

A

Dose: 140uCi/kg/min over 6 minutes
Inject at 3 minutes
Wait 45 minutes and image
Antidote - Aminophylline

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11
Q

Lexiscan

A 
0.4mg in 5cc syringe
Single 10 second bolus then flush
Inject RP and flush
Wait 45 minutes and image
Antidote - Aminophylline
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12
Q

1 Day Tl 201 Protocol

A

Stress (3-4 mCi)
Wait 3 - 4 hours
Rest redistribution (1 mCi)

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13
Q

1 Day Tl 201/ Tc 99m Protocol

A

Tl 201 rest (inject and image w/i 5 min)
Tc 99m Stress
Image: 15 min treadmill. 45 min pharmacologic
One day imaging - faster throughput

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14
Q

1 Day Tc99m Protocol

A 
Low dose rest (8 mCi)
Wait 30 - 45 to image
Wait 1 - 2 hours
High dose stress (25 - 45 mCi)
Image: 15 min treadmill. 45 min pharmacologic
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15
Q

2 day Tc99m Protocol

A

Rest and stress done on two days
Higher dose each day
Not more than 7 days apart

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16
Q

Computer Set Up

A

RAO to LAO 180 degrees SPECT
Camera in cardiac 90
Elliptical
64 views for 30 seconds

17
Q

Processing

A

Pegasys - Cardiac SPECT 1 day/ Sam
JetStream - Cardiac 2
Xeleris - Cardiac Myosight 2

18
Q

Labels

A 
Name
DOB
MRN
Date of exam
Hospital
Referring physician
Dose
Dose Rate
Frame Rate
View ID
Right / Left
Tech Initials

Nuc Med (22 decks)

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