chest lead

chest lead

[lēd]
1 an electrocardiographic conductor in which the exploring positive electrode is placed on the chest or precordium. The indifferent electrode is placed on the patient's back for a chest back (CB) lead, on the front of the chest for a chest front (CF) lead, on the left arm for a chest left (CL) lead, and on the right arm for a chest right (CR) lead.
2
Usage notes: (informal)
the tracing produced by such a lead on an electrocardiograph.
enlarge picture
Position of precordial chest leads
References in periodicals archive ?
Right-sided chest leads showed no significant ST elevation.
On review, the preoperative ECG showed significant ST segment elevation in chest leads which was missed by our 3-lead ECG monitor.
The other chest leads are then easily located; lead [V.
7) These peculiar ECG abnormalities are often more prominent in the right chest leads placed at or above the third intercostal space--a higher-than-usual placement.
Prominent R-waves in the anterior chest leads provide additional clues.
If all they did was to apply ECG chest leads as the ambulance speeds you in to the waiting hospital team, they are changing your chances of life.
Chest leads Chargers: Andrew Chest had 27 kills and Adam Allegro and Armand Gonzales 13 kills each to lead Agoura (4-6) to a 15-7, 15-8, 15-12 nonleague win over Lynwood.
When compared with standard chest leads, the UNI-LEAD system improves the reproducibility of 12-lead ECG recordings by facilitating a more accurate, one-step electrode placement.
When it is intentional, such as recording the chest leads on the right side looking for evidence of right ventricular infarction in a patient with an acute inferior infarct, this should be stated clearly on the tracing.
It is now over 100 years since the limb leads of the electrocardiogram (ECG) were introduced (1), 75 years since the unipolar chest leads were designed (2) though only 65 years since the precordial electrode positions were standardised (3) and approximately the same time since augmented unipolar leads were introduced (4).
When compared with standard ECG chest leads, the UNI-LEAD System improves the speed of acquisition by providing an accurate, one-step electrode placement.