What is your interpretation?
Figure 1 - 2 leads
Figure 2 - Full disclosure
This is sinus bradycardia (atrial rate ~45 bpm), with ventricular escape/fusion beats and premature atrial complexes (conducted and nonconduted).
Here is the proposed ladder diagram
Figure 3 - Ladder diagram (F - fusion beat, V - ventricular escape, PAC - premature atrial complex, S, sinus beat)