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communication, which can be extremely beneficial during   patient  handoff. However,  the  medical  team members  train
              care of the patient. Perhaps even more important is that the   extensively with the ground force medics and have a similar
              Bluetooth headsets can allow communication with each other   familiarity with their preferred patient handoff delivery com-
              without the need for both personnel to be on the same ra-  pared with other more common patient handoffs, such as the
              dio channel. This is extremely beneficial in a patient evacu-  MIST report.
              ation scenario, as the medic evacuating the patient from POI
              typically will have their radio set to a different frequency to   Conclusion
              communicate with personnel on the ground, rather than the
              medical team receiving the handoff who would typically have   One of the benefits of the SOF community is the use of con-
              their own internal radio channel for communication. In other   tinual cross-training and simulation to improve team com-
              words, using Bluetooth communication removes some poten-  munication and cohesiveness among all levels of care on the
              tial barriers of communication between different levels of care,   battlefield, from POI to damage control surgery, with contin-
              allowing the medical teams to provide care more efficiently.  ual efforts being made to optimize the delivery of care and
                                                                 subsequent outcomes for the combat-injured.  This study
              Despite these advantages of Bluetooth communications, there   demonstrated that Bluetooth headsets used by medical provid-
              are both limitations and advantages to the technology when   ers during a simulated patient handoff to a SOF medical team
              compared with the other commonly used methods tested. If   resulted in faster patient handoffs without sacrificing accuracy,
              team members are beyond the distance of the communication   thus allowing for faster time to initiation of further medical
              “bubble,” they likely will not receive the transmissions when   treatment. At the conclusion of the study, Bluetooth communi-
              using the Bluetooth settings. According to the manufacturer’s   cation was also rated as the preferred method of communica-
              recommendations, this bubble has a 10-meter radius, with   tion by all study participants.
              3–5 meters as the optimal radius for communication, which
              extends beyond the typical area of a group taking care of a   Acknowledgements
                         11
              single casualty.  Furthermore, while standard radio PTT can   The authors would like to thank the crew of the aircraft who
              be used with an unlimited number of people within range on   assisted with this study, specifically SGT Adam Reynolds and
              the same channel, the Bluetooth headsets tested are limited to   SGT Harold Miranda.
              transmission among four people within the connected group.
              However, any number of personnel within the 10-meter bub-  Author Contributions
                                                 11
              ble should be able to receive all transmissions.  While this was   DJS conducted the literature search. DJS, CM, and JAP de-
              not a factor in the testing performed because of the size of the   signed the study. All authors were involved in the data collec-
              medical team, it could pose a limitation in communication if   tion. DJS and AN analyzed the data. DJS interpreted the data.
              larger medical teams are working together using the Bluetooth   DJS wrote the manuscript, and CM, MB, AN, CP, HS, JK, and
              headsets. However, it is also important to note that if the Blue-  JAP critically revised it.
              tooth function is not working, the headsets can still function
              in their default mode using radio PTT or by direct plugin with   Disclosures
              TM-ICS. Although TM-ICS resulted in the slowest simulated   The authors have no personal conflicts of interest. There was
              patient handoff times, it does have the benefit of allowing any-  no funding associated with this study. The opinions or asser-
              one wearing a headset with an appropriate drop-down lead   tions contained herein are the private views of the authors and
              (NATO J11) to communicate via direct connection, without   are not to be construed as official or as reflecting the views
              the need for being on the same radio frequency or also hav-  of the Joint Special Operations Command, the Department of
              ing Bluetooth-compatible headsets. Finally, the battery life is   the Army, the Department of the Navy or the Department of
              also shorter compared with non-Bluetooth PELTOR headsets,   Defense.
              which could be a factor  during sustained operations or the
              prolonged field care environment. 18               References
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