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Oct 19, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
(p 8)
Tl-201 is an analog of potassium (monovalent cation), with a physical half-life of _____, decay by electron capture to Hg-201 with principal emission of _____ x-rays, high first-pass extraction (85%), _____ membrane transport into the myocyte, rapid clearance from the intravascular space, and monoexponential washout (redistribution) which starts 10-15 minutes after injection.”
a) 6 hours ; 68-80 keV ; active
b) 6 hours ; 140 keV ; passive

c) 73.1 hours ; 68-80 keV ; active
d) 73.1 hours ; 140 keV ; passive

Oct 18, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
(p 5-6)
“Regadenoson Dose. The recommended intravenous dose of regadenoson is 5 mL (0.4 mg regadenoson) and should be given as a rapid (approximately _____) injection into a peripheral vein using a 22 gauge or larger catheter or needle. Administer a
5-mL saline flush immediately after the injection of regadenoson. Administer the radionuclide myocardial perfusion imaging agent _______ after the saline flush.”
a) 5 seconds ; 5-10 seconds
b) 10 seconds ; 10-20 seconds
c) 10 seconds ; 20-30 seconds
d) 15 seconds ; 60 seconds


Oct 17, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
(p 4)
The combination of low-level upright treadmill exercise (___ mph, __% grade) during the adenosine infusion . . . results in a significant reduction in the side effects . . . and attenuates the adenosine-induced drop in blood pressure. Image quality is improved by decreasing high hepatic and gut radiotracer uptake, . . . However, . . .  low-level exercise supplementation is not recommended in patients with ____.”
a) 1.7 mph, 0% grade ; LBBB
b) 1.7 mph, 10% grade ; electronically paced ventricle
c) 2.5 mph,  12% grade ; RBBB or LBBB
d) 3.4 mph,  14% grade; RBBB

Oct 14, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
(p 5) “Contraindications for regadenoson stress testing include:
Use of dipyridamole, dipyridamole-containing medications in last __ hours, aminophylline in last __ hours or ingestion of caffeinated foods (e.g., chocolate) or beverages (e.g., coffee, tea, and sodas) within the last __ hours should be avoided.”
a) 48 ; 24; 12
b) 24 ; 12 : 6
c) 24 ; 24 ; 24
d) 12 ; 12 ; 12


Oct 13, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
(p 3-4) for adenosine stress tests,
Adenosine should be given as a continuous infusion at a rate of 140 mcg/kg/min over a 6-minute period. A shorter-duration adenosine infusion, lasting 4 minutes, has been found to be equally effective . . . ”  The radiotracer should be injected at ___ mins in the 6 minute protocol and at ___ mins in the 4 minute protocol.
a) 2 ; 2
b) 3 ; 2
c) 4 ; 2
d) 5 ; 3

Oct 13, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
(p 3-4) for adenosine stress tests,
Adenosine should be given as a continuous infusion at a rate of 140 mcg/kg/min over a 6-minute period. A shorter-duration adenosine infusion, lasting 4 minutes, has been found to be equally effective . . . ”  The radiotracer should be injected at ___ mins in the 6 minute protocol and at ___ mins in the 4 minute protocol.
a) 2 ; 2
b) 3 ; 2
c) 4 ; 2
d) 5 ; 3

Weekly Quiz for the General Public
Oct 12, 2011
October is “Domestic Violence Awareness Month”
According to the CDC’s “
Understanding Intimate Partner Violence” 2011
http://www.cdc.gov/ViolencePrevention/pdf/IPV_factsheet-a.pdf
“Risk factors for perpetration (hurting a partner):” include
a) “Being violent or aggressive in the past”
b) “Seeing or being a victim of violence as a child”
c) “Using drugs or alcohol, especially drinking heavily”
d) “Not having a job or other life events that cause stress” or any of the above


Oct 12, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
( p 2)
Indications for early termination of exercise
include:”
“Drop in systolic blood pressure of >
___ mm Hg from baseline, despite an increase in workload, when accompanied by other evidence of ischemia.”
“Hypertensive response (systolic blood pressure >___ mm Hg and/or diastolic pressure >___ mm Hg.”
a) 5 ; 180; 100
b) 10 ; 200; 100
c) 10 ; 250 ; 115
d) 20 ; 280 ; 125


Oct 11, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
( p 1-2)
examples of “relative contraindications for exercise stress testing include” (the others are “absolute contraindications”)
a) “severe symptomatic aortic stenosis”
b) “acute myocarditis or pericarditis”
c)  “blood pressure >200/110 mm Hg”
d) “hypertrophic obstructive cardiomyopathy” or “known left main coronary artery stenosis”

Oct 10, 2011
According to the 2009 ASNC Imaging Guidelines for Nuclear Cardiology Procedures: Stress Protocols and Tracers,
http://www.asnc.org/imageuploads/ImagingGuidelinesStressProtocols021109.pdf
( p 1-2)
examples of “absolute contraindications for exercise stress testing include” (does not include “relative contraindications”)
a) “moderate aortic stenosis”
b) “severe symptomatic aortic stenosis” or “acute myocarditis or pericarditis” or “blood pressure >200/110 mm Hg”
c) “hypertrophic obstructive cardiomyopathy”
d) “known left main coronary artery stenosis”