OBJECTIVE: To discuss a comprehensive diagnostic approach to an active duty patient presenting with dyspnea on exertion, fatigue, and pallor. A 50-year-old active duty E-6 white male in Al Udeid, Qatar, presented with progressive dyspnea on exertion, fatigue, and new pallor. This case illustrates the course of events from Al Udeid to the Walter Reed Army Medical Center, where the final diagnosis was made. Along the way, questions with discussions explore the various diagnostic and management aspects of his case and highlight military relevant issues that include efficient diagnostic algorithms in the field and transfusion of scarce blood products.
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机译：目的：探讨对现役患者表现为劳累，乏力和面色苍白的呼吸困难的综合诊断方法。卡塔尔Al Udeid的一名50岁现役E-6白人男性，因劳累，疲劳和苍白而出现进行性呼吸困难。该案例说明了从阿尔·乌迪德（Al Udeid）到沃尔特·里德陆军医疗中心（Walter Reed Army Medical Center）的事件过程，并在此做出了最终诊断。在此过程中，与讨论相关的问题探讨了他的案子的各种诊断和管理方面，并突出了与军事有关的问题，包括现场有效的诊断算法和稀有血液制品的输血。
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