Assertion: ecg | /r/HasProperty | noninvasive study
Facets:
Source sentences:
text: The electrocardiogram (ECG), a noninvasive study, measures the electrical currents or impulses that the heart generates during a cardiac cycle (see figure of a normal ECG at end of monograph).
text: It is a noninvasive recording produced by an electrocardiographic device.
text: The electrocardiogram (ECG), a noninvasive study, measures the electrical currents or impulses that the heart generates during a cardiac cycle (see figure of a normal ECG at end of monograph).