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over 7 years ago
Wenckebach (Mobitz I): the PR interval increases more and more with each beat until there’s a P wave without a QRS (aka the PR interval gets longer and longer and then there’s a drop). This usually occurs in a pattern. Tx is usually atropine first followed by a pacemaker
over 7 years ago
Mobitz II: P waves continue to march out as usual and then all of a sudden you’ll have a dropped QRS. (Measure the distance between the P waves to see if they are occurring regularly). This can happen in a pattern either a 2:1 or 3:1. A 2:1 is there are 2 P waves for every QRS. A 3:1 is when there are 3 Ps per QRS. Tx is a pacemaker
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