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Positron Emission Tomography, Various Sites (Brain, Heart, Pelvis)

Positron Emission Tomography, Various Sites (Brain, Heart, Pelvis) is a topic covered in the Davis's Lab & Diagnostic Tests.

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PET scan.

To assess blood flow and metabolic processes at the site of interest, to assist in diagnosis of disorders such as ischemic or hemorrhagic stroke, cancer, and to evaluate head trauma (head/brain); coronary artery disease, infarct, and aneurysm (chest/thorax, heart, vascular system); colorectal tumor, to assist in tumor staging, and monitor the effectiveness of therapeutic interventions (pelvis).

Patient Preparation
There are no activity restrictions unless by medical direction. Instruct the patient to restrict food for 4 hr; restrict alcohol, nicotine, or caffeine-containing drinks for 24 hr; and withhold medications for 24 hr before the test. Protocols may vary among facilities.

Normal Findings

  • Normal patterns of tissue metabolism, blood flow, and homogeneous radionuclide distribution.

Critical Findings and Potential Interventions


  • Aneurysm
  • Cerebrovascular accident
  • Tumor with significant mass effect

Timely notification to the requesting health-care provider (HCP) of any critical findings and related symptoms is a role expectation of the professional nurse. A listing of these findings varies among facilities.

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Bladh, Mickey Lynn., and Anne M. Van Leeuwen. "Positron Emission Tomography, Various Sites (Brain, Heart, Pelvis)." Davis's Lab & Diagnostic Tests, 7th ed., F.A. Davis Company, 2017. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425462/all/Positron_Emission_Tomography__Various_Sites__Brain__Heart__Pelvis_.
Bladh ML, Van Leeuwen AM. Positron Emission Tomography, Various Sites (Brain, Heart, Pelvis). Davis's Lab & Diagnostic Tests. 7th ed. F.A. Davis Company; 2017. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425462/all/Positron_Emission_Tomography__Various_Sites__Brain__Heart__Pelvis_. Accessed July 17, 2019.
Bladh, M. L., & Van Leeuwen, A. M. (2017). Positron Emission Tomography, Various Sites (Brain, Heart, Pelvis). In Davis's Lab & Diagnostic Tests. Available from https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425462/all/Positron_Emission_Tomography__Various_Sites__Brain__Heart__Pelvis_
Bladh ML, Van Leeuwen AM. Positron Emission Tomography, Various Sites (Brain, Heart, Pelvis) [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2017. [cited 2019 July 17]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425462/all/Positron_Emission_Tomography__Various_Sites__Brain__Heart__Pelvis_.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC T1 - Positron Emission Tomography, Various Sites (Brain, Heart, Pelvis) ID - 425462 A1 - Bladh,Mickey Lynn, AU - Van Leeuwen,Anne M, BT - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425462/all/Positron_Emission_Tomography__Various_Sites__Brain__Heart__Pelvis_ PB - F.A. Davis Company ET - 7 DB - Nursing Central DP - Unbound Medicine ER -