Assertion: pulse's wave | /r/AtLocation | patient
Facets:
value: with atrial flutter
type: OTHER
value: with varying degrees of av block
type: OTHER
value: frequently
type: TEMPORAL
Source sentences:
text: The "a" wave is absent in patients with atrial fibrillation, and flutter "a" waves at a regular rate of 250 to 300 per minute frequently are observed in patients with atrial flutter and varying degrees of AV block.