So I've been a nurse for 2.5 years. A real, off orientation nurse for about 2 years. I'm not great at nursing. I like to think I'm a good nurse, and on my way to eventually becoming a great one, but I'm nowhere close. As in there is a megagram of shit I don't know. And I know that I know this, which sometimes makes it a little awkward when a coworker is all like damn girl, you rocked that code, well done. Because knowing how much I don't know, I sometimes feel like I'm just a mediocre nurse who got lucky that day and really has everyone fooled.
Here is where the situation gets a bit sticky. On night shift we're essentially being bent over and told to hold our ankles, because management has run out not one - not two - not three -
four fantastic nurses to neighboring ERs because of how crappy we are treated in many respects. These nurses were all career ER people - people who if I ever wreck my car or accidentally fall into a wood chipper, I pray that they are working. Now they are being driven out in mass numbers. This is where the dilemma lays: the fourth nurse is a Charge Nurse. So since we will be down to only two FT charges, there is a need for some people to be trained as relief charge*.
And here is why I'm in a bit of a pickle**.

The manager has asked me to train as relief charge.
Right?!
I told him I'd think about it, but really all I can hear in my head is someone screaming INEXPERIENCE! NEWBIE! YOU'LL ACCIDENTALLY IMPLODE THE DEPARTMENT! I truly am flattered by the offer, and the teeny part of me who wants to advance in my career is like oh hell yeah I'll do this, but the much more rational part absolutely knows that I really am too inexperienced to do charge. I'm know I'm not viewed as a complete moron by the current charges, because some of them have mentioned this before. Really though, I feel like I need more
years of experience before I can competently keep the department from burning down.
The pickle is that I don't want to piss off management by just saying no since they can and have made life hell for these other nurses, but I also am not willing to take something I am nowhere near ready for.
Help. Advice?
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* Part of the fuckery that happened to the nurses is this: A (recently)current relief charge nurse noticed one of the new nurses engaging in some very stupid decision making, with the actual life of a patient at risk. Relief charge went to the nurse and mentioned her concerns, and stated that the new nurse maybe needed to change her ways. New nurse, instead of being like "this is embarrassing but oh yeah I almost just killed someone, maybe I should listen," instead went to the manager and wrote up the relief charge. Manager went to relief charge and chewed her out, and then took away the position of relief charge because she "needs to learn to be nicer." Srsly.
** I was kinda scared to google search the term "pickle." Maybe I'm just a paranoid with the sense of humor of a fifth grader, because all that showed up on the first page was...you guessed it...pickles.