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Updated: Aug 15, 2026
09:49
A Whole Body Dosimetry Protocol for Peptide-Receptor Radionuclide Therapy (PRRT): 2D Planar Image and Hybrid 2D+3D SPECT/CT Image Methods
Published on: April 24, 2020
[Angiographic studies of equilibrium radionuclides. Methods and protocols of processing]
1Serviço de Medicina Nuclear, Instituto Português de Oncologia de Lisboa.
Summary
Radionuclide angiography (RNA) non-invasively evaluates ventricular function using radioactivity and ECG gating. This method provides quantitative cardiac parameters crucial for diagnosing and assessing heart diseases like coronary artery disease and cardiomyopathies.
Area of Science:
- Cardiovascular Imaging
- Nuclear Cardiology
- Cardiac Physiology
Context:
- Radionuclide angiography (RNA) is a non-invasive imaging technique.
- It utilizes a small amount of radioactivity to label the blood pool.
- Image acquisition is synchronized with the patient's electrocardiogram (ECG).
Purpose:
- To evaluate ventricular function using the equilibrium technique.
- To obtain quantitative parameters of cardiac function.
- To aid in the diagnosis, assessment, and prognosis of various heart conditions.
Summary:
- RNA involves recording serial cardiac images over several cycles after blood pool labeling.
- Quantitative parameters like global and regional ejection fraction, peak filling/emptying rates, and timing can be derived.
- Visual assessment of cardiac activity is also possible.
Impact:
- Provides valuable data for diagnosing Coronary Artery Disease, Valvular Heart Disease, and Cardiomyopathies.
- Facilitates the evaluation of disease extent and patient prognosis.
- Contributes significantly to cardiac assessment at rest or during stress/pharmacological interventions.
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