Browsing: Toxicology

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Neurology , Toxicology

Case Report: Posterior Reversible Encephalopathy Syndrome in the Setting of Hypotension, Hypothermia, and Fentanyl Use

11/11/2025 Michael C. Larkins, MD
Posterior Reversible Encephalopathy Syndrome (PRES) is a neurologic disorder that traditionally presents with altered mental status, visual disturbances, headaches, and seizures in the setting of hype
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Toxicology , Trauma

Cannabinoid Hyperemesis Syndrome Induced Pneumomediastinum in an Adolescent

11/3/2025 Julian Coz, MD , Christopher Schwartz, DO , James Espinosa, MD , Alan Lucerna, DO
This case illustrates the rare but important association between cannabinoid hyperemesis syndrome (CHS) and spontaneous pneumomediastinum (SPM), underscoring the importance of recognizing CHS and its
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Toxicology

Chemotherapy-Related Toxicologic Emergencies

11/3/2025 Hayn Jackson, MD , Laura Szczesniak, MD, PhD , Claire Seo, MD , Katherine M. Markin, MD
With the expansion of chemotherapy drugs to involve more cancers and an expanded scope, including in the treatment of autoimmune and other immunologic disorders, accidental exposure to these agents ha
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Cardiology , Toxicology

Alcohol-Induced Narrow Complex Tachycardia

5/15/2025 Pham To Uyen, MD , Huynh Minh Tri, MD , Vo Thanh Tan, MD
Narrow complex tachycardia can be a life-threatening condition that requires prompt evaluation and treatment. Synchronized cardioversion is critical in hemodynamically unstable patients.
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Toxicology

Toxic Twist: Valacyclovir and the Mystery of Altered Mental Status

5/15/2025 Alexander Kalicki, MD , Megan Stark Claypool, MD , Duncan Grossman, DO, MSEd
Errors in medication prescription can lead to serious consequences and even toxicity, as demonstrated in this case of a patient who was taking valacyclovir. A thorough medication reconciliation is req
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Toxicology , Psychiatry

Rethinking B52

5/13/2025 Adrianne Buckles, DO , Jonathan Dobrinsky, MD
Acute agitation is a common presentation in the emergency department. Are your practice protocols keeping up with the latest evidence on appropriate medications? It could be time to rethink the fall-b
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Toxicology , Addiction Medicine , Neurology , Social EM

Subacute Combined Degeneration Secondary to Nitrous Oxide Use: A Case Report

5/12/2025 Brianna McMonagle , Colleen Arnold, MD , Marlena Wosiski-Kuhn, MD, PhD , Anita Goel, MD
Nitrous oxide toxicity can be difficult to recognize, but when left untreated, it can lead to irreversible neurologic damage. Get some pointers in dealing with this vague presentation.
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Toxicology , Psychiatry

A Case of Lithium Toxicity Masked by Behavioral Symptoms in a Psychiatric Patient

5/6/2025 Rebecca Notini Kirby, MD , James O'Neill, MD , Jennifer Hannum, MD
Distinguishing between medical and psychiatric causes of altered mental status (AMS) can be challenging, as the two may present with similar clinical manifestations.1 As a result, patients with underl
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Toxicology

A Case of Severe Lactic Acidosis Due to Metformin Toxicity

3/23/2025 Natalie Rech, MD , Sarah E. Fabiano, MD, FACEP, FAAEM
Metformin toxicity causes a profound lactic acidosis and can be concerning in patients with existing kidney impairment.
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Cardiology , Toxicology

Nitroglycerin's Hidden Trigger: The Bezold-Jarisch Reflex Revealed

3/19/2025 Jacob Goodbar , Amanda Murphy, MD
Quick recognition of the Bezold-Jarisch reflex triad of hypotension, bradycardia, and apnea is important for any physician who administers nitroglycerin. This knowledge can ensure positive patient out