Podcast
Questions and Answers
What is the biggest contributor to dead time in nuclear medicine imaging?
What is the biggest contributor to dead time in nuclear medicine imaging?
- Single events (correct)
- Scatter coincidence
- Prompt events
- True coincidence
In nuclear medicine imaging, what is a scatter coincidence?
In nuclear medicine imaging, what is a scatter coincidence?
- Events where a gamma ray photon scatters within the patient body before being detected (correct)
- All coincident events counted in the initial coincidence
- Occurs when two single photons from two separate annihilations are detected within the CTW
- Two annihilation photons from a single annihilation interaction are detected within the CTW
What is a random coincidence in nuclear medicine imaging?
What is a random coincidence in nuclear medicine imaging?
- Each annihilation photon surpassing a low energy threshold but not ultimately counted unless a coincident photon is detected
- All coincident events counted in the initial coincidence
- Events where a gamma ray photon scatters within the patient body before being detected
- Occurs when two single photons from two separate annihilations are detected within the CTW (correct)
What is the role of a capacitor?
What is the role of a capacitor?
What does 'random incident' refer to in the context of gamma ray detection?
What does 'random incident' refer to in the context of gamma ray detection?
What does 'system sensitivity' refer to in the context of imaging systems?
What does 'system sensitivity' refer to in the context of imaging systems?
What does 'noise' refer to in the context of acquired data or images?
What does 'noise' refer to in the context of acquired data or images?
How does pitch change the amount of radiation a patient is exposed to during a radiopharmaceutical procedure?
How does pitch change the amount of radiation a patient is exposed to during a radiopharmaceutical procedure?
What are Hounsfield Units used for in a CT study?
What are Hounsfield Units used for in a CT study?
What type of imaging does Magnetic Resonance Imaging (MRI) utilize?
What type of imaging does Magnetic Resonance Imaging (MRI) utilize?
What type of imaging does Computed Tomography (CT) employ?
What type of imaging does Computed Tomography (CT) employ?
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