Tc 99m-pyrophosphate scintigraphy - normal
Diagnosis not applicable
Updates to Case Attributes
Status
changed from draft to published (public).
Published At
was set to
.
References changed:
- Bokhari S, Shahzad R, Castaño A, Maurer MS. Nuclear imaging modalities for cardiac amyloidosis. (2014) Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology. 21 (1): 175-84. <a href="https://doi.org/10.1007/s12350-013-9803-2">doi:10.1007/s12350-013-9803-2</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/24162886">Pubmed</a> <span class="ref_v4"></span>
Updates to Study Attributes
Findings
was changed:
Findings negative for cardiac amyloidosis by NM imaging criteria.
Thoracic scan in the anterior view performed 1 hour after administration of 99m-technetium pyrophosphate. There is no intense radiotracer accumulation in the myocardium. Region of interest markers placed over the myocardium and contralateral right lung for quantification of radiotracer activity. The total counts within the myocardial region ofinterest divided by the contralateral counts were used to calculate the heart-to-contralateral ratio.
Ratio is > 1.5 is abnormal.
Here it is < 1.5. So normal.
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