case_images: PMC9588376_01
case_images: PMC9588376_02
case_images: Presenting 12-lead electrocardiogram.
case_images: CRIC2022-1409498.001.jpg
case_images: PMC9588376_02_CRIC2022-1409498.001.jpg
case_images: fig1
case_images: Electrocardiogram (ECG) revealed wide complex tachycardia with a heart rate of 174 bpm and prolonged QRS of 270 ms (Figure 1), and cardiology was consulted. The ECG revealed a regular wide complex tachycardia at a heart rate of 170 bpm and a prolonged QRS with duration of 270 ms (Figure 1).
case_images: ECG showing atrial flutter after administration of metoprolol and amiodarone.
case_images: CRIC2022-1409498.002.jpg
case_images: PMC9588376_02_CRIC2022-1409498.002.jpg
case_images: fig2
case_images: The administration of amiodarone and metoprolol slowed the ventricular rate revealing the flutter waves as shown in Figure 2.
case_images: ECG demonstrating sinus rhythm.
case_images: CRIC2022-1409498.003.jpg
case_images: PMC9588376_02_CRIC2022-1409498.003.jpg
case_images: fig3
case_images: Shortly after, the patient converted to sinus rhythm (Figure 3), and flecainide was stopped.