CORD-19:35349bb1fc9290338907b7d7f104c9db3951163b / 89015-89245 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T640","span":{"begin":0,"end":230},"obj":"Sentence"},{"id":"T72815","span":{"begin":0,"end":230},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We observed significant differences in the duration of PR intervals (ms) in the frontal plane and apical-to-basal derivations, and in the QT interval (ms) in both derivations; as well as a significant increase in R wave amplitude."}