CHALA TANDRON, Juan M. et al. Arrhythmias caused by ondansetron: Case report. []. , 11, 2, pp. 171-174. ISSN 2078-7170.

The ondansetron is used to prevent nausea and vomiting caused by chemotherapy, radiotherapy and surgery, belonging to the serotonin 5-HT3 receptor antagonists, a natural substance that can cause nausea and vomiting, and it blocks its action. The ondansetron is packaged in the form of rapid disintegration tablets, as a solution to be taken orally and in ampules, for parenteral use. The case of a 67-year-old female patient is presented, with a diagnosis of breast carcinoma, who underwent radical mastectomy with axillary dissection was performed, and who received chemotherapy with adriamycin, cyclophosphamide and paclitaxel; as well as ondansetron to treat nausea and vomiting. The patient presented a wide QRS complex tachycardia after taking the drug.

: Ondansetron; Cardiac arrhythmias; Wide QRS complex tachycardia.

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