EKG tutorial

I found this website which had dozens of ecg rhythm examples. Some of the examples are very unique and may not be easily detactable for a new nurse. I believe though that students should be exposed to these unusual rhythms so that they know that these kinds of rhythms also occur. 

http://library.med.utah.edu/kw/ecg/image_index/index.html#Axis

Here's an example of the unique tracing I was talking about.