Common Imaging Tests

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• Overview of Imaging Tests

• Risks of Radiation in Medical Imaging
  • Radiation risk during infancy and early childhood
  • Radiation risk during pregnancy

• Radiographic Contrast Agents
  • Radiopaque Contrast Agents
    • Side effects of radiopaque contrast agents
    • Kidney damage
  • Paramagnetic Contrast Agents
    • Side effects of paramagnetic contrast agents

• Angiography
  • Procedure for Angiography
  • Uses of Angiography
  • Variations of Angiography
    • Arteriography
    • Venography
    • Digital subtraction angiography
  • Disadvantages of Angiography

• Computed Tomography (CT)
  • Procedure for CT
  • Uses of CT
  • Variations of CT
    • CT angiography
    • Other variations
  • Disadvantages of CT
  • More Information

• Magnetic Resonance Imaging (MRI)
  • Procedure for MRI
  • Uses of MRI
  • Variations of MRI
    • Functional MRI
    • Perfusion MRI
    • Diffusion-weighted MRI
    • Magnetic resonance spectroscopy
    • Magnetic resonance angiography (MRA)
    • Magnetic resonance venography
    • Echo planar imaging
  • Disadvantages of MRI
    • Problems related to the small enclosed space
    • Magnetic field effects
    • Reactions to the MRI contrast agent

• X-Rays
  • Procedure for X-Rays
  • Uses of X-Rays
  • Mammography
  • Variations of X-Rays
    • X-rays with a radiopaque contrast agent
    • Fluoroscopy
  • Disadvantages of X-Rays
    • Radiation exposure
    • Other disadvantages

• Positron Emission Tomography (PET)
  • Procedure for PET
  • Uses of PET
    • Heart
    • Brain
    • Cancer
  • Variations of PET
    • PET computed tomography (PET-CT)
  • Disadvantages of PET

• Radionuclide Scanning
  • Procedure for Radionuclide Scanning
    • Labeling with a radionuclide
    • Tracking the radionuclide
    • Before, during, and after the procedure
  • Uses of Radionuclide Scanning
  • Variations of Radionuclide Scanning
    • Single-photon emission computed tomography (SPECT)
  • Disadvantages of Radionuclide Scanning

• Ultrasonography
  • Procedure for Ultrasonography
  • Uses of Ultrasonography
  • Variations of Ultrasonography
    • Doppler ultrasonography
    • Spectral Doppler ultrasonography
    • Duplex Doppler ultrasonography
    • Color Doppler ultrasonography
  • Disadvantages of Ultrasonography