Assertion: ecg | /r/CapableOf | show sinus rhythm
Facets:
value: with 2:1 atrioventricular block
type: OTHER
Source sentences:
text: This ventriculophasic sinus arrhythmia often is most clearly seen in electrocardiograms showing sinus rhythm with 2:1 atrioventricular block but may be seen in any situation in which some sinus P-P intervals contain QRS complexes, while others do not.