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Palytoxin (PTX or PLTX), a potent and rare marine toxin derived from certain coral species, poses significant risks to human health upon exposure, including the development of acute respiratory distress syndrome. We present a case report detailing the experiences of two expert marine biologists who inadvertently came into contact with palytoxin while handling marine organisms in a controlled environment. Shortly after exposure, both biologists developed severe keratoconjunctivitis, characterized by acute inflammation of the conjunctiva and cornea. Clinical manifestations included intense ocular pain, photophobia, conjunctival injection, and corneal epithelial defects, with symptoms progressing rapidly post exposure. Initial management involved immediate irrigation with a saline solution, followed by topical corticosteroids and lubricants to alleviate inflammation and promote corneal healing. Both individuals responded favorably to treatment, with resolution of symptoms within several days. This report underscores the importance of stringent adherence to safety protocols and awareness among marine biologists regarding the risks associated with palytoxin exposure, emphasizing the need for prompt recognition and appropriate management of ocular manifestations to minimize potential long-term sequelae., Competing Interests: Human subjects: Consent for treatment and open access publication was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: HCA Healthcare Disclaimer: This research was supported (in whole or in part) by HCA Healthcare and/or an HCA Healthcare-affiliated entity. The views expressed in this publication represent those of the author(s) and do not necessarily represent the official views of HCA Healthcare or any of its affiliated entities., (Copyright © 2024, Foresteire et al.)

This case report details an intentional overdose attempt utilizing tricyclic antidepressants (TCAs) and atypical antipsychotics with significant neurologic, pulmonary, and cardiac toxicity. In conjunction with the local poison control center, progression of the clinical toxidrome was anticipated, aggressively managed, and successfully treated. This case highlights the dangers of significant TCA toxicity, peak onset of toxicity within six hours, and the amplification of clinical toxidromes with co-ingestions., Competing Interests: Human subjects: Consent was obtained or waived by all participants in this study. Conflicts of interest: In compliance with the ICMJE uniform disclosure form, all authors declare the following: Payment/services info: All authors have declared that no financial support was received from any organization for the submitted work. Financial relationships: All authors have declared that they have no financial relationships at present or within the previous three years with any organizations that might have an interest in the submitted work. Other relationships: HCA Healthcare Disclaimer This research was supported (in whole or in part) by HCA Healthcare and/or an HCA Healthcare-affiliated entity. The views expressed in this publication represent those of the author(s) and do not necessarily represent the official views of HCA Healthcare or any of its affiliated entities., (Copyright © 2024, Foresteire et al.)

Introduction In the United States (US), appendicitis is the most common acute abdominal emergency requiring surgery. Patients with appendicitis continue to display a complex and atypical range of clinical manifestations, providing a subsequent high risk for emergency physicians to miss acute abdominal pathology on a patient's initial visits. Due to the risk of potential perforation, the proper and timely clinical identification of acute appendicitis is vital. The current study aims to identify clinical characteristics that could be useful in identifying patients at risk for having acute appendicitis that was misdiagnosed on their initial visits. Methods Medical charts consisting of patients between the ages of 19 and 55 years on their second visit were flagged and reviewed by the emergency department quality assurance (EDQA) committee. The retrospective chart review included patients who presented to the emergency department (ED) with the chief complaint of an abdominal-related complaint, were discharged, returned within 72 hours, and were diagnosed with a pathologically confirmed appendicitis. All patients were managed operatively, with pathology results reviewed for evidence of acute appendicitis. Those with confirmed pathologic appendicitis upon return were considered to have a "misdiagnosis." Any patients managed nonoperatively and those with negative pathology were excluded from the study and considered not to have appendicitis. Results Fifty-five patients were identified through the EDQA committee from May 2011 to January 2014. After exclusion criteria were applied, 18 patients met the inclusion criteria for this study (7 males, 11 females). The mean age was 36.2 (range: 19-55). The most common presenting complaint on the initial visit was pain in the epigastric region of the abdomen (50%, n = 9). Twenty-two percent (n = 4) of patients had pain in the right lower quadrant documented in the physician's note on the initial visit and 83% (n = 15) had right lower quadrant pain documented on the second visit. Two patients (11%) did not have right lower quadrant tenderness on either visit. The most common discharge diagnosis on the initial visit was undifferentiated abdominal pain (50%), followed by gastritis (28%). Opioid pain medication was administered or prescribed to 39% (n = 7) of the patients. The average return time was 23.9 hours. Conclusion The administration of opioid pain medication is associated with many of the return visits to the emergency department for missed appendicitis. Finally, discharge diagnosis and planning are imperative, as detailed early appendicitis instructions or extended ED observation can include more cases and decrease litigation risk., Competing Interests: The authors have declared that no competing interests exist., (Copyright © 2020, Brown-Forestiere et al.)