J Emerg Med
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Classic metaphyseal lesions (CMLs) should raise concern for nonaccidental trauma. However, iatrogenic causes for CMLs have increasingly been described and warrant close consideration. Increasing the clinical understanding of CML mechanics and their relation to often routine medical procedures will enhance provider awareness and expand the differential diagnosis when these otherwise highly concerning injuries are identified. ⋯ We describe three clinical cases where suspected iatrogenic dorsiflexion or plantar flexion resulted in an isolated distal tibia CML. Respectively, we present heel-stick testing and i.v. line placement as clinical correlates of these two mechanisms. Although prior reports have aimed to describe iatrogenic CML etiologies, they have not focused on dorsiflexion or plantar flexion as predominant mechanisms of injury. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Emergency physicians are critical to the surveillance and identification of nonaccidental trauma. Given that children oftentimes present to the emergency department with subtle yet concerning signs of maltreatment, an emergency physician must be aware of the potential causes of injury as well as the recommended response. Although avoiding missed cases of abuse and improving the detection of injuries is crucial for child health and well-being, failing to consider or recognize alternative explanations could also have serious implications for a child and their caregivers.
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Tick-borne illnesses and methemoglobinemia have not been known to occur together in humans. Few cases have been documented in various animals of methemoglobinemia secondary to tick-borne infections. ⋯ A 49-year-old man with no significant medical history presented to the emergency department from an urgent care with hypoxia saturating in the mid 80s. He also reported a pruritic rash on his back and right shoulder as well as both of his lower extremities. The rash had been present for 4 days. The patient was tachycardic and hypoxic at 90% but denied shortness of breath. He had cyanosis of the lips and fingertips and multiple erythematous, raised, ovoid lesions on the right shoulder and left lower extremity. Methemoglobin levels were elevated at 26%. He was treated with methylene blue, supplemental oxygen, and empiric doxycycline with improvement in his oxygenation. A tick-borne illness panel later tested positive for Babesia microti infection. His skin lesions resolved with the above described treatment. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Both tick-borne illnesses and methemoglobinemia are typically easily treatable with proper antimicrobial coverage and methylene blue, respectively. The current literature is bare regarding concurrent tick-borne illnesses, specifically babesiosis, and methemoglobinemia. Without knowledge and documentation of a potential link between the two conditions, hypoxia, if found to be due to methemoglobinemia, may be treated adequately, but a potentially life-threatening tick-borne illness may continue to cause damage and disease to the patient if not tested for, identified, and treated.
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Physical restraints are used in the emergency department (ED) for agitated patients to prevent self-harm and protect staff. Prior studies identified associations between sociodemographic factors and ED physical restraints use. ⋯ At this institution, certain sociodemographic characteristics were associated with receiving both types of physical restraint. Emergency physicians also differed in restraint-ordering practice. Further investigation is needed to understand the influence of implicit bias on ED restraint use.