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Clinical Nuclear Medicine:
doi: 10.1097/RLU.0000000000000355
Original Articles

The Electromagnetic Interference of Mobile Phones on the Function of a γ-Camera

Javadi, Hamid MD*; Azizmohammadi, Zahra MD; Mahmoud Pashazadeh, Ali MSc; Neshandar Asli, Isa MD; Moazzeni, Taleb PhD§; Baharfar, Nastaran MD; Shafiei, Babak MD; Nabipour, Iraj MD; Assadi, Majid MD

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Abstract

Purpose: The aim of the present study is to evaluate whether or not the electromagnetic field generated by mobile phones interferes with the function of a SPECT γ-camera during data acquisition.

Methods: We tested the effects of 7 models of mobile phones on 1 SPECT γ-camera. The mobile phones were tested when making a call, in ringing mode, and in standby mode. The γ-camera function was assessed during data acquisition from a planar source and a point source of 99mTc with activities of 10 mCi and 3 mCi, respectively. A significant visual decrease in count number was considered to be electromagnetic interference (EMI).

Results: The percentage of induced EMI with the γ-camera per mobile phone was in the range of 0% to 100%. The incidence of EMI was mainly observed in the first seconds of ringing and then mitigated in the following frames.

Conclusions: Mobile phones are portable sources of electromagnetic radiation, and there is interference potential with the function of SPECT γ-cameras leading to adverse effects on the quality of the acquired images.

© 2014 by Lippincott Williams & Wilkins

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