Course: Unusual Tachycardia in a Patient With Chest Pain and Bradycardia
CME Credits: 1.00
Released: 2024-02-26
A patient in their 50s presented with squeezing chest pain for 4 hours. The patient’s blood pressure was 80/60 mm Hg; heart rate was 39 beats/min. The presenting electrocardiogram (ECG; Figure, A) demonstrated an acute inferior wall and right ventricular infarction with the third-degree atrioventricular block. Routine treatment was performed, and emergency percutaneous coronary intervention (PCI) was prepared for the patient. Preoperatively, atropine (1 mg intravenously) treatment was administered. However, the patient developed palpitations, and the chest condition was aggravated after the administration of atropine. The monitoring ECG showed a regularly wide QRS complex tachycardia (Figure, B, top panel). The 12-lead ECG can be found in the Figure, B (bottom panel).
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