The neonatologist calls for assessment of an ECG he just took in an infant born 3 hours ago. The child is doing well, but the rhythm seems a little weird...
Top line is the ECG (lead II), middle ist the PLETH graph, and bottom line is respiration. The dark scaled portions on the right depict overlap of the strips. Speed is 25mm/sec.
The important question was: Where was the ECG taken?
The neonatologists answer: Baby was lying on the mothers chest, skin to skin.
So, these are truly two hearts.
And the baby was bradycardiac with a HR of <80 bpm!