• Mustafa Boğan, Hasan Baki Altınsoy, and Mehmet Karadağ.
• Emergency Department, School of Medicine, Düzce University, 81620, Turkey. Electronic address: mustafabogan@duzce.edu.tr.
• Am J Emerg Med. 2021 Aug 1; 46: 515-519.

BackgroundPosterior-anterior chest x-ray (PA-CXR) is among the most commonly used imaging methods in the diagnosis both in the emergency departments (ED) and the other clinics. The aim of the present study was to evaluate the diagnostic reliability of PA-CXRs sent via a smartphone.MethodsThis study was conducted as an inter-observer study. PA-CXRs were photographed with a smartphone and they were sent to two separate participants (emergency medicine specialists one with 4 years experience and another with 3) via the WhatsApp application. And the participants evaluated to these images on their mobile phone.ResultsA poor concordance was determined in a ratio of 3/8 and good concordance was detected in a ratio of 3/8 between the two participants (p < 0.05). It was observed that only the mediastinum assessments could be an alternative to the gold standard (p < 0.01).ConclusionWe may conclude that the assessments done via a smartphone (photographing and sharing) may not be reliable.Copyright © 2020 Elsevier Inc. All rights reserved.

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