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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.

Copyright © 2014 by Lippincott Williams & Wilkins

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