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Category: Nontoxic Patient                         The authors also wish to thank Dermnet.NZ for the use
          With Nonpalpable Petechiae                         of the basic morphology pictures. Dermnetnz.org is an
          Immune thrombocytopenic purpura (ITP) – In this condi-  excellent online reference for dermatology.
          tion, the patient’s immune system attacks their  platelets.
          These patients may have petechiae or purpura but gen-  Disclaimers
          erally look pretty well. The primary concern with this
          condition is to ensure it is not associated with a more   The views and medical opinion herein represent those of
          serious cause such as DIC or TTP. ITP can be caused by   the authors. They do not reflect the operation practice
          drug reactions, viral infections, pregnancy, or can be id-  or views of the Canadian Forces or other organizations.
          iopathic. Significant bleeding can occur. In the deployed   The cases are provided to be educational and thought
          setting, the clinician should search for a precipitating   provoking; at no time does the author suggest that the
          cause and carefully observe the patient for any deteriora-  tactical clinicians exceed the scope of their practice or
          tion or bleeding. These patients may require steroids and   act against the direction of their medical protocols or
          or IV immunoglobulin.  They should be evacuated to a   recommendations of their medical leadership.
                              7
          higher level of care when it is tactically feasible to do so.
                                                             Disclosures
          Category: Nontoxic Patient With Palpable Rash
          Autoimmune vasculitis – In this category of conditions,   The authors have nothing to disclose.
          the patient’s immune system attacks the blood vessels.
          This is a large and complicated category of autoimmune   References
          illnesses that can present differently. It can occur from
          a primary autoimmune disorder or be precipitated by   1.  Murphy-Lavoie H, LeGros TL. Emergent diagnosis of the un-
          infection, drug reactions, or malignancy. In a deployed   known rash: an algorithmic approach.  Emerg Med. 2010;3:
                                                               6–17.
          setting, the clinician should take a thorough history and   2.  van de Beek D, Brouwer MC, Thwaites GE, et al. Advances in
          perform a physical examination, looking for clues to any   treatment of bacterial meningitis. Lancet. 2012;380:1693–1702.
          precipitating cause. Infectious causes should be treated   3.  Habib G, Lancellotti P, Antunes MJ, et al. 2015 ESC guidelines
          and  possible  offending  drugs  should  be  discontinued.   for the management of infective endocarditis: the Task Force for
          These patients should be observed for development of   the Management of Infective Endocarditis of the European Soci-
          bleeding or clinical deterioration. If they are stable, they   ety of Cardiology (ESC) endorsed by: European Association for
                                                               Cardio-Thoracic Surgery (EACTS), the European Association of
          should be evacuated for further diagnosis and treatment   Nuclear Medicine (EANM). Eur Heart J. 2015;36:3075–3128.
          when tactically feasible to do so. Steroids often are a   4.  Sexton DJ. Clinical manifestations and diagnosis of Rocky
          mainstay of treatment.                               Mountain spotted fever.  http://www.uptodate.com/contents/
                                                               clinical-manifestations-and-diagnosis-of-rocky-mountain
                                                               -spotted-fever. Accessed 22 February 2016.
          The Case Summary                                   5.  George JN, Cuker A. Acquired TTP: clinical manifestations
                                                               and diagnosis. http://www.uptodate.com/contents/acquired-
          Our case involved a well-appearing, afebrile, stable,   ttp-clinical-manifestations-and-diagnosis?source=search_result
          29-year-old woman with palpable petechiae on her lower   &search=Acquired+TTP%3A+clinical+manifestations+and+di
          extremities. A careful history and physical examination   agnosis&selectedTitle=1~150. Accessed 22 February 2016.
          revealed no evidence of infectious cause or a clear pre-  6.  Holcomb JB, Tilley BC, Baraniuk S, et al. Transfusion of
                                                               plasma, platelets, and red blood cells in a 1:1:1 vs a 1:1:2 ratio
          cipitating cause. She was clinically stable. The case was   and mortality in patients with severe trauma: the PROPPR ran-
          discussed with a higher medical authority and it was   domized clinical trial. JAMA. 2015;313:471–482.
          determined that she would be transferred out on a rou-  7.  George JN, Arnold DM. Immune thrombocytopenia (ITP) in
          tine flight 2 days after her initial presentation. She was   adults: Initial treatment and prognosis. http://www.uptodate
          observed carefully, the petechiae increased slightly, and   .com/contents/immune-thrombocytopenia-itp-in-adults-initial
                                                               -treatment-and-prognosis?source=search_result&search=
          she developed some joint pain in her knees. She did not   Immune+thrombocytopenia+%28ITP%29+in+adults%3A+
          develop any fever or bleeding. After returning home, she   Initial+treatment+and+prognosis&selectedTitle=1~150. Accessed
          was seen in a hospital. A biopsy was performed of a skin   22 February 2016.
          lesion; the finding was leukocytoclastic vasculitis. The
          doxycycline was suspected as the cause. The patient was
          treated with steroids and improved over the next 4 weeks.  Sgt Banting of the Canadian Forces is a medical technician
                                                             with extensive SOF experience who is currently on the Cana-
                                                             dian Forces Physician Assistant course.
          Acknowledgments
                                                             Major Meriano is a practicing emergency physician. He has
          The authors gratefully acknowledge Dr Heather Murphy-   served in various capacities with the Canadian Forces and Re-
          Lavoie for the use of the algorithm. It is highly recom-  serves since 2003. Comment and suggestions can be sent to
          mended that her article and iOS app be used as a reference.    sofclinicalcorner@gmail.com.



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