Premise: Source: Syncope (medicine)
Heart related causes may include an abnormal heart rhythm , problems with the heart valves or heart muscle and blockages of blood vessels from a pulmonary embolism or aortic dissection among others .
Hypothesis: Pulmonary embolism is indicated by alterations in blood oxygen levels.
Label: nei
Span interactions:
level: high
labels: Synonym
Synonym
Synonym
premise_text: a pulmonary embolism
hypothesis_text: Pulmonary embolism