| precordial | <anatomy, cardiology> Pertaining to the precordium, which is the region over the heart and lower part of the thorax. (18 Nov 1997) |
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| precordial catch syndrome | <syndrome> A benign syndrome of uncertain origin, characterised by sharp, sudden pain in the region of the cardiac apex on inspiration, yet usually relieved by forcing a deeper breath; tenderness is absent. (05 Mar 2000) |
| precordial electrocardiography | Recording of electrocardiographic signals from the anterior left chest; conventionally six electrode positions are used but any number may be applied. (05 Mar 2000) |
| precordial leads | Those in which the exploring electrode is on the chest overlying the heart or its vicinity. Synonym: precordial leads, semidirect leads. (05 Mar 2000) |
| precordialgia | Pain in the precordial region. Origin: precordia + G. Algos, pain (05 Mar 2000) |