Sinus Bradycardia Ecg Strip. Sinus bradycardia can have many causes from a completely normal variation to a malfunction of the sinus node. This strip meets the criteria of. Sinus bradycardia fulfills the criteria for sinus rhythm but the heart rate is slower than 50 beats per minute. In this video we will go over the different sinus rhythms.
P waves with constant morphology preceding every qrs complex. Sinus bradycardia can have many causes from a completely normal variation to a malfunction of the sinus node. 110 150 bpm. 60 100 bpm. 85 125 bpm. P wave is positiv in limb lead ii.
Causes of sinus bradycardia include.
So let s go through our different steps in interpretation. Marked sinus bradycardia and complete av block with junctional escape. Sinus node dysfunction with junctional rhythm and absence of any p waves until the end of the tracing. Here in this strip we have normal sinus rhythm. 0 11 sec or less. Sinus bradycardia fulfills the criteria for sinus rhythm but the heart rate is slower than 50 beats per minute.