1.	v fib, v tach, asystole, PEA, idioventricular, 2nd degree T2, complete heart block: what are the 7 lethal rhythms?

2.	P-R interval: #4







3.	NSR (Normal Sinus Rhythm):





4.	Sinus bradycardia: <60bpm, TX: pacing, atropine, treat reversibl

5.	Sinus tachycardia: >100-<160, TX: identify and tx underlying c

6.	sinus arrest:

7.	PACs: looks like sinus arrest, TX: underlying cause, P waves are d

8.	atrial flutter: P waves sawtooth, TX: support airway, ditiaziam, bb

9.	a fib: w...