Summary Bradycardia causes mindmap

If u give atropine and it doesn’t correct bradycardia
then think of hyperkalemia




Sinus Bradycardia ,MOBITZ I : Atropine
Bradycardia
MOBITZ II , BAV 3rd : pacing




P-wave present?




Yes No




Constant P-P? Sick sinus with escape rhythm A-fib with slow ventricular response


Yes No



Non conducted premature
Look at PR interval
atrial contraction




Fixed PR PR lenghens then drops fixed PR , then drops beat: No PR relationship:
beat then returns short:
Not prolonged PR Prolonged PR Mobitz type II AV block Third degree AV block
Mobitz type I 2nd degree
sinus BC 1st degree av bloc AV block