Out on PubMed, from clinicians in Sao Paulo, Brazil is this manuscript in JECT:
Images in Clinical Electroconvulsive Therapy: Portable 1-Channel Electroencephalogram Device as Adjunctive Seizure Monitoring.
Gallucci-Neto J, Bellini H, Cretaz E.J ECT. 2020 Jun 12. doi: 10.1097/YCT.0000000000000698. Online ahead of print.PMID: 32558764 
The image shows an acceptable, clear EEG of an ECT-induced seizure in 5 panels, from pre-procedural baseline, through the well-developed seizure and postictal suppression.
The manuscript reminds us that EEG monitoring is a necessary part of modern ECT practice, but cannot be taken for granted. The authors note that the MECTA Spectrum 4000 series (Q and M) do not come with built in physiological monitoring (the MECTA advertising says, "where alternative monitoring is available"). So, they used this "over the counter" device called the "Heart and Brain Spiker Box" from a company called "Backyard Brains" that sells on the internet for $149.99, to record EEG.
While I am not endorsing this device or this practice (it would not likely get a pass from biomedical engineering in US hospitals), the ingenuity of our Brazilain colleagues in their efforts to provide safe ECT for their patients is to be applauded.

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