Fig. 2From: Complete atrio-ventricular block with coronary artery spasm due to direct laryngoscopy in a pediatric patient with laryngeal papillomatosis: a case reportElectrocardiogram monitor showing ST-segment elevation and bradycardia after initiation of laryngoscopy (a). Complete atrio-ventricular block with ST-segment elevation is observed (P waves with a regular P-to-P interval, QRS complexes with a regular R-to-R interval, and variable PR interval) on the electrocardiogram monitor (b)Back to article page