Figure 3.

Standard ECG showing complete atrio-ventricular block. Atrial rhythm (white circle) of 70 bpm and ventricular escape rhythm of 42 bpm, narrow QRS (black square). Paper speed 50 mm/s.

Obara-Moszynska et al. BMC Pediatrics 2013 13:27   doi:10.1186/1471-2431-13-27
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