Ultrasound, A-scan
General
Synonym/Acronym:
Amplitude modulation scan, A-scan ultrasound biometry.
Rationale
To assess for ocular tissue abnormality and to determine the power of the intraocular lens required for replacement in cataract surgery.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
- Normal homogeneous ocular tissue.
Critical Findings and Potential Interventions
N/A
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Citation
Van Leeuwen, Anne M., and Mickey Lynn. Bladh. "Ultrasound, A-scan." Davis's Lab & Diagnostic Tests, 10th ed., F.A. Davis Company, 2023. Nursing Central, nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425151/all/Ultrasound_A_scan.
Van Leeuwen AMA, Bladh MLM. Ultrasound, A-scan. Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2023. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425151/all/Ultrasound_A_scan. Accessed October 3, 2024.
Van Leeuwen, A. M., & Bladh, M. L. (2023). Ultrasound, A-scan. In Davis's Lab & Diagnostic Tests (10th ed.). F.A. Davis Company. https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425151/all/Ultrasound_A_scan
Van Leeuwen AMA, Bladh MLM. Ultrasound, A-scan [Internet]. In: Davis's Lab & Diagnostic Tests. F.A. Davis Company; 2023. [cited 2024 October 03]. Available from: https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425151/all/Ultrasound_A_scan.
* Article titles in AMA citation format should be in sentence-case
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T1 - Ultrasound, A-scan
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AU - Van Leeuwen,Anne M,
BT - Davis's Laboratory & Diagnostic Tests
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PB - F.A. Davis Company
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DP - Unbound Medicine
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