Beep beep! Here comes the good stuff that you've been looking for. Basic cardia rhythms!

Episode 2.3 in the EKG series about syncope. 

Episode 2.2 in the EKG series about vagal maneuvers. 

Yes, the heart is a muscle.

More wires. 

Ok, so where do all these wires go?

Heart Rate is important. Video Tutorial: youtu.be/cArJ6EEnHMc

Ions for the heart.  Video Tutorial: youtu.be/QX2DMgsilX0

Video Tutorial: youtu.be/xJDgJ0dapqk

Anatomy and Physiology of the heart for EKG part 2 Video Tutorial: youtu.be/CyZm7wJ9nrc