The Use of the Gaussian Curve Fitting Method for Scintigraphic Measurements of the Swallowing Process in Healthy Subjects: Implications for Evaluation of Dysphagia Yu-Hui Huang, MD, Fan-Fei Tseng, MD, Su-Ju Tsai, MD, Chi-Hsuan Lin, MD, PhD, Yu-Hsing Chou, MD, Henry L. Lew, MD, PhD Archives of Physical Medicine and Rehabilitation Volume 87, Issue 11, Pages 1526-1529 (November 2006) DOI: 10.1016/j.apmr.2006.08.324 Copyright © 2006 The American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 1 Time-activity curve. “Noise”—the inherent variation of radiation counts (see-saw like) on time scale. A and B were the 2 turning points, data between which were fitted with the Gaussian function. The dotted line was the fitted Gaussian curve. Abbreviation: kcpm, kilocounts per minute. Archives of Physical Medicine and Rehabilitation 2006 87, 1526-1529DOI: (10.1016/j.apmr.2006.08.324) Copyright © 2006 The American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 2 A display created when technetium 99m passed through the oropharynx and upper esophagus. The pharyngeal region was demarcated according to the 2 markers A and B. Archives of Physical Medicine and Rehabilitation 2006 87, 1526-1529DOI: (10.1016/j.apmr.2006.08.324) Copyright © 2006 The American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions