I'm not sure what its like in the US, but as a general rule, we don't stat IV's on kids except in resus... by the time they are cannulated, they can rush to the ward

You'll find there are probably great IV paed admin books around and the chances of having a very sick child without the support of the paeds nurse is rare, at least here. The most common IV's we administer to kids is a bolus of Ceftriaxone, then they are up on the ward asap!
I remember when I first started in the ED, I was so petrified with kids, my first Resus one, I ran to the shift leader and said in a scared voice "it breathes too fast to count", she smiled and said, "Yup, that's a neonate for you, just observe them, if you don't know the normal values, don't worry, just remember, the younger they are, the faster they breathe"! I laugh about that now, but I remember being completely freaked and trying to figure if a pulse of 180 and resps of about 50 on a 4 weeker was normal.
With kids, as you will very quickly learn, its not so much the little one you have to worry about, but the parents... learn to reassure them, then you're on track!
Check if your department has paed's trained nurses and ask to be allocated with them on orientation, that will help tons!
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