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  1. Axial resolution (ultrasound) | Radiology Reference Article ...

    Sep 18, 2025 · Axial resolution in ultrasound refers to the ability to discern two separate objects positioned close to each other along the ultrasound beam 1,3. Axial resolution is generally …

  2. Lateral resolution (ultrasound) | Radiology Reference Article ...

    Aug 13, 2023 · At the focal region of the beam, lateral resolution is roughly three times worse than axial resolution in ultrasound, meanwhile, the axial resolution is about one wavelength in size 2.

  3. Elevational resolution (ultrasound) | Radiology Reference Article ...

    Aug 10, 2023 · Elevational resolution represents the extent to which an ultrasound system is able to resolve objects within an axis perpendicular to the plane formed by the axial and lateral …

  4. Spatial resolution | Radiology Reference Article | Radiopaedia.org

    Feb 20, 2024 · When optimized, screen film systems have excellent spatial resolution, whereas electronic detectors are limited by pixel size. Patient movement during image capture will also …

  5. Temporal resolution (ultrasound) | Radiology Reference Article ...

    May 21, 2020 · Temporal resolution in ultrasound represents the extent to which an ultrasound system is able to distinguish changes between successive image frames over time (i.e. …

  6. Harmonic imaging | Radiology Reference Article - Radiopaedia.org

    Jul 22, 2025 · Hence there is an optimum depth below the surface at which maximum intensity is achieved. Advantages over conventional ultrasound decreased reverberation and side lobe …

  7. Beam focusing | Radiology Reference Article | Radiopaedia.org

    Oct 3, 2024 · It is at the focal point where the lateral resolution of the beam is the greatest. Before or proximal to the focal point is the 'near-field' or 'Fresnel zone', where beams converge.

  8. HRCT chest (protocol) | Radiology Reference Article

    Jul 28, 2025 · Uninformed referrals commonly request for a "high-resolution" CT of the chest with the notion that HRCT represents a better version of a "standard" CT chest, however this is a …

  9. Spatial pulse length (ultrasound) - Radiopaedia.org

    Sep 17, 2025 · A shorter spatial pulse length results in higher axial resolution. The minimum distance between two tissues that can be resolved in the axial dimension is equal to 1/2 * …

  10. Ultrasound transducer | Radiology Reference Article

    Aug 23, 2025 · dampens the resonant vibrations in the element which creates a shorter spatial pulse length; this allows for better axial resolution for imaging of organs and high bandwidth to …