Which radiopharmaceutical is most commonly used for SPECT myocardial perfusion imaging?
Radiopharmaceuticals
Question · Easy
During a Bruce protocol exercise stress test, each stage lasts how many minutes?
Stress Testing
What is the normal range for left ventricular ejection fraction (LVEF)?
Anatomy Physiology Pathology
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Which coronary artery supplies the majority of the left ventricular myocardium including the anterior wall and septum?
What is the mechanism of action of regadenoson in pharmacologic stress testing?
Question · Medium
In a rest-stress Tc-99m sestamibi protocol, what is the typical rest dose and stress dose?
Procedures
Which radiopharmaceutical demonstrates redistribution and is used for viability assessment?
What is the primary purpose of a MUGA (multigated acquisition) scan?
Which isotope is used in a generator system for cardiac PET perfusion imaging and has a half-life of approximately 76 seconds?
During exercise stress testing, which of the following is an absolute indication to terminate the test?
What is the recommended waiting period after injection of Tc-99m sestamibi at rest before imaging?
In SPECT myocardial perfusion imaging, which artifact is most commonly caused by patient motion during acquisition?
Which ECG lead is most useful for detecting inferior wall ischemia during stress testing?
A patient with a history of reactive airway disease requires pharmacologic stress testing. Which agent is the safest choice?
What is the uptake mechanism of Tc-99m sestamibi in myocardial cells?
In a gated SPECT myocardial perfusion study, what is the typical number of frames per cardiac cycle?
What is the purpose of attenuation correction in SPECT myocardial perfusion imaging?
Which radiopharmaceutical is used for Tc-99m pyrophosphate (PYP) cardiac imaging to detect transthyretin cardiac amyloidosis?
A patient presents for an exercise stress test. The resting heart rate is 70 bpm. If the patient is 50 years old, what is the target heart rate (85% of age-predicted maximum)?
In MUGA scanning, which method is used to label red blood cells with Tc-99m?
What is the primary advantage of N-13 ammonia over Rb-82 for cardiac PET perfusion imaging?
Question · Hard
What is the recommended imaging delay after Tc-99m PYP injection for cardiac amyloidosis evaluation?
Which finding on a Tc-99m PYP scan indicates a positive result for ATTR cardiac amyloidosis?
What is the half-life of Tl-201?
During a first-pass radionuclide angiography study, the bolus injection should be administered through which site?
What is the primary clinical indication for I-123 MIBG cardiac imaging?
What heart-to-mediastinum (H/M) ratio on late I-123 MIBG imaging is considered abnormal and indicates poor prognosis?
Which reconstruction method is now standard for SPECT myocardial perfusion imaging?
A patient is scheduled for a stress-rest Tc-99m tetrofosmin study. The patient takes metoprolol daily. What instruction should be given regarding beta-blocker use?
What is the energy of the primary gamma photon emitted by Tc-99m?
In cardiac PET imaging with F-18 FDG, patients are typically prepared with which dietary protocol?
What is the typical acquisition orbit for SPECT myocardial perfusion imaging?
A perfusion defect that is present on stress images but resolves on rest images is classified as:
Which cardiac wall segment is most commonly affected by breast attenuation artifact in women?
What is the standard dose of regadenoson for pharmacologic stress testing?
What is the reversal agent for dipyridamole-induced side effects?
Which of the following medications should be held for at least 12-24 hours before adenosine or regadenoson pharmacologic stress testing?
In a 17-segment model of the left ventricle used for SPECT MPI reporting, which coronary artery territory typically includes the apex?
What is the primary mechanism by which Tl-201 is taken up by myocardial cells?
A patient undergoing exercise stress testing develops 2 mm horizontal ST depression in leads V4-V6. This finding is most consistent with:
What quality control procedure should be performed daily on a gamma camera used for SPECT imaging?
In cardiac PET perfusion imaging with Rb-82, what is the typical administered dose?
What is transient ischemic dilation (TID) on myocardial perfusion imaging, and what does it indicate?
Which of the following conditions is a contraindication for vasodilator pharmacologic stress testing?
What is the typical collimator used for Tc-99m SPECT myocardial perfusion imaging?
What does hibernating myocardium refer to?
During a MUGA scan, what is the accepted variation in R-R interval for beat acceptance?
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