a fib {Ans: wavy P waves, TX: with HypoTN use cardioversion and anticoagulant}<40bpm {Ans: accelerated idioventricular rhythm is anything greater than?}v fib {Ans: DEFIB}1st degree AV block {Ans: only one with no extra P wave, often confused with NSR, PR interval is >0.20}v tach {Ans: do ur ghost have a pulse? if yes-adenosine, no-CPR, O2, epi!}atrial flutter {Ans: P waves sawtooth, TX: support airway, ditiaziam, bblockers}