Middle aged male brought in after reported witnessed PEA arr | Figure 1

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Middle aged male brought in after reported witnessed PEA arrest at home, bystander CPR with ROSC by EMS. Hypotensive, intubated.

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79 YOM complaining of SOB for more than a day. #Mobitz-heart-block
Called for a 70 y/o female with shortness of breath and chest pain. CPAP applied resulting in relief of respiratory symptoms. Oddity of the case is her cardiac rhythm. 76bpm, with every two beats march out with each other but a longer pause between each group of QRS complex. Long PR interval, wider QRS but not resembling ventricular beats. Looks like "bigeminal PJC" if that's a type of beat. Hx of open heart for "CHF issues" but no Hx of AMI. It does not look like a 2nd or 3rd degree block and all QRS produce a pulse. Any other ideas what it could be?
Is there a P in this ECG or that's a biphasic T wave? What do you make of it?

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