Preferred Label : 12 Lead Placement Standard Extended Left;
NCIt synonyms : 12 Lead Placement Standard Extended Left;
NCIt related terms : STANDARD 12-LEAD EXTENDED LEFT; Standard 12-lead extended to the left by V7, V8, V9;
NCIt definition : An electrocardiogram (ECG) lead placement whereby the standard lead placement is modified
by having leads V7, V8 and V9.;
Alternative definition : CDISC: A 12-lead electrocardiogram (ECG) lead placement whereby the standard lead
placement is modified by having leads V7, V8 and V9. The V7 through V9 leads are recorded
by using a standard 12-lead ECG machine and substituting lead cables V4 for V7, V5
for V8, and V6 for V9. The positions of these posterior leads V7 to V9 are at the
same vertical level as V6 and at the horizontal positions of the left posterior axillary
line (V7), left scapular line (V8), and left paravertebral line (V9).;
Origin ID : C71131;
UMLS CUI : C2346536;
Semantic type(s)
- concept_is_in_subset
