WebDr. Gerald Mandell answered Nuclear Medicine 54 years experience Small cardiac insult: A small area of ischemia (reduced blood supply) to apical wall without perment damage or infarct. Coronary artery narrowing of branch vessel can cause... Read More Created for people with ongoing healthcare needs but benefits everyone. Learn how we can help WebAug 28, 2024 · Interpretation is simplified, if stress images have no anterior defect and rest images do, and wall motion and thickening are preserved: breast attenuation is likely. 4 Similarly, if the shape of the anterior perfusion defect changes between rest and stress imaging and/or does not follow known coronary anatomy, i.e., covers only parts of …
What is a soft tissue artifact? Heart Failure - Sharecare
WebNov 8, 2011 · The CT-based attenuation maps obtained with hybrid SPECT/CT systems also have been useful for improving diagnostic accuracy. However, when attenuation … WebDiaphragm is of no significance and a misnomer, but further evaluation for posterior myocardium attenuation (medically significant) to determine if there is a posterior defect … henry barnard school
What is diaphragmatic breathing artifact? - Quora
WebApr 1, 1997 · The most common artifact on thallium scans in our laboratory has been posterior myocardial attenuation, mostly in males. In the past this has been thought due to the position of the diaphragm. Methods: To evaluate this concept, matching chest x-rays were examined and measured. WebDiaphragmatic attenuation. is Diaphragmatic attenuation serious? Conclusion: It is suggested that a male with a flat, wide chest is more prone to posterior myocardial … WebMar 23, 2024 · Misregistration artifacts, which appear as blurring, streaking, or shading, are caused by patient movement during a CT scan. Blurring also occurs with patient movement during radiographic examinations. If patient movement is voluntary, patients may require immobilization or sedation to prevent this. henry barnard school providence ri