-  Interpret the images on the computer screen or in the printouts.

-  Compare to a recent chest x-ray and perfusion views.

1  Xu JH et al. Dynamics of 'Technegas' deposited in the lung. Nucl Med Commun. 2001 Apr;22(4):383-7.

2  Nagao M et al. Quantitative analysis of technegas SPECT: evaluation of regional severity of emphysema. J Nucl Med. 2000 Apr;41(4):590-5.