They give the minimum features to indicate, so I printed all out on landscape setting w/ definition and trend across the page. Along with a couple of more, more in depth, hopefully I will all but know it after my midnight security shifts tonight and tomorrow :-)
This site has a wealth of information in posts rather than googling (except for quick definitions). Some of the quizes blew me away, but those were 12 lead graphs. I dont' think that will be on it, but I'll reserve tomorrows shift for 12 leads after I get the rhythms down tonight (that's the plan, and go to CNA school a couple of 3 hour sessions too. I'm shooting for Friday, or possibly Thursday. Friday will be one week exactly from when I got the email.
Of course I'll get books on it, but right now, the clock is ticking. I gotta eat first!
And they will want to train me 'their' way anyway. So I can wait to see what happens at test time first.