2 minutes in and I love your presentation!!! The electrical pathway drawing is amazing and I’m gonna start drawing.. I’ve never seen it drawn out like that.. I want to get back into the field. It’s been 8 years.. Im missing EMS.
Great question! This is a nomenclature that is standardly used. Described in 1910 by Thomas Lewis. We continue to use this. Thanks for your question and support. Happy New Year!