Accelerated Junctional {Ans: Actions: If new notify MD, O2 if dyspneic, meds First Drug: none Possible causes: AV Node Irritability - caffeine, fatigue, tobacco, alcohol, stress, med toxicity - esp. Dig Toxicity (check potassium)}1st Degree AV Block {Ans: Action: observe for further PR prolongation; meds; if new notify MD First Drug: None Possible causes: heart disease or meds}Asystole {Ans: Action: Call Code Blue; CPR; O2; set-up for pacing - verify in two leads First Drug: Epinephrine Possible causes: acute MI, conduction disturbance due to dying heart, extreme med toxicity}2nd Degree AV Block Wenckebach-Type I {Ans: Action: meds; O2 if dyspneic; If new notify MD First Drug: Atropine if symptomatic -BP Possible causes: AV blocking meds, acute MI, edema post open-heart surgery} {Ans: 25 mm = 1 s 5 mm = 0.2 s 1 mm = 0.04 s}Premature Junctional Contraction - PJC's {Ans: Action: If frequent or new notify MD First Drug: None Possible causes: AV Node Irritability - caffeine, fatigue, tobacco, alcohol, stress, meds}