| fetal | Of or pertaining to a foetus, pertaining to in utero development after the embryonic period. (18 Nov 1997) |
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| scalar electrocardiogram | Electrocardiographic lead output that can be displayed on one plane of the body in contradistinction to vector electrocardiogram in which the display is on two or more planes. (05 Mar 2000) |
| electrocardiogram | <cardiology, investigation> An recording of the electrical activity of the heart on a moving strip of paper. The electrocardiogram detects and records the electrical potential of the heart during contraction. Acronym: ECG (13 Nov 1997) |
| unipolar electrocardiogram | An electrocardiogram taken with the exploring electrode placed on the chest overlying the heart or upon a single limb, the indifferent ("zero" potential) electrode being the central terminal. (05 Mar 2000) |