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சுருக்கம்

Massive Overdose of Calcium Channel Antagonist and Successful Management: A Case Report and Review of Management

Chirag Rana, Mukund Das, Dave Traficante and John Kashani

Calcium channel blockers (CCBs) toxicity is one of the most lethal drug overdoses encountered in the emergency department (ED). Nondihydropyridines (Verapamil and Diltiazem) are more lethal in overdose compared to dihydropyridines. The toxicity of these drugs is an extension of their therapeutic effect resulting from blockade of Ltype calcium channels in smooth muscle cells, myocardial cells, and beta cells of the pancreas. Significant overdoses can present with bradycardia, hypotension, cardiac arrest, hyperglycemia, metabolic acidosis and shock that can result in death. There have been many reported cases of Diltiazem toxicity treated with what would be considered standard approaches to treatment. However, very little has been reported on massive overdoses with Diltiazem and successful management of such cases. Here, we report on a young patient who self reportedly overdosed on two bottles of Diltiazem (approximately 60 pills). Initially, she was asymptomatic but shortly after her presentation, she became hemodynamically unstable. In this case report we discuss how we successfully managed the patient and give recommendations for management of such massive lethal overdoses.