case_images: PMC6766110_01
case_images: Third-degree atrioventricular block. During observation at the emergency department, multiple episodes of third-degree atrioventricular block were noted, the longest of which lasted 7.2 s (arrow).
case_images: CRIEM2019-5037356.001.jpg
case_images: PMC6766110_01_CRIEM2019-5037356.001.jpg
case_images: fig1
case_images: These episodes, the longest of which lasted 7.2 s (Figure 1) provoked the same symptoms as the patient had described.