Case highlights worsening palpitations related to atrial fibrillation in a woman with a history of breast cancer, indicating potential arrhythmia risks.
Key points A 68-year-old woman from rural Ontario arrived at her local emergency department with worsening palpitations. Her medical history included breast cancer treated with surgical resection and adjuvant chemoradiation, hypertension, and premature atrial contractions. Her medications included
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Wajid et al. (2025) studied this question.
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