Table of Contents
- 1 Where are the chest leads located?
- 2 Where on the chest is the first chest lead C1 placed?
- 3 Where would you place precordial leads on a woman with very large breasts?
- 4 Where are electrodes placed?
- 5 How do you put on chest leads?
- 6 Which location is the electrode for lead V8 placed?
- 7 Where are the electrodes located in the chest?
- 8 Where do you place 12 lead ECG electrodes?
- 9 Where is the best place to place an electrode?
Where are the chest leads located?
The precordial (chest leads) leads each consist of a positive electrode strategically placed on the chest of the patient.
Where on the chest is the first chest lead C1 placed?
12-Lead ECG Placement
| Code (AHA) | Code (IEC) | Location |
|---|---|---|
| V1 | C1 | Fourth intercostal space at the right sternal border |
| V2 | C2 | Fourth intercostal space at the left sternal border |
| V3 | C3 | Halfway between leads V2 and V4 |
| V4 | C4 | Fifth intercostal space in the midclavicular line |
Where are 5 electrodes placed?
Five-lead system Place the left arm (LA) electrode near the left shoulder, close to the junction of the left arm and torso. Place the right leg (RL) electrode below the level of the lowest rib on the right abdominal area. Place the left leg (LL) electrode below the level of the lowest rib on the left abdominal area.
Where would you place precordial leads on a woman with very large breasts?
► For patients with large breasts, the electrodes must be placed, ensuring that they are positioned at the level of the optimal intercostal space.
Where are electrodes placed?
Proper 12-Lead ECG Placement
| ELECTRODE | PLACEMENT |
|---|---|
| RL | Anywhere above the right ankle and below the torso |
| RA | Anywhere between the right shoulder and the wrist |
| LL | Anywhere above the left ankle and below the torso |
| LA | Anywhere between the left shoulder and the wrist |
Where is V6 lead placed?
V6 is placed over the fifth intercostal space at the mid-axillary line (as if drawing a line down from the armpit).
How do you put on chest leads?
The position for V4 is in the 5th intercostal space , in line with the middle of the clavicle (mid-clavicular). V3 sits midway between V2 and V4. Follow the 5th intercostal space to the left until your fingers are immediately below the beginning of the axilla, or under-arm area. This is the position for V5.
Which location is the electrode for lead V8 placed?
V8 is placed at the tip of the left scapula, in the same horizontal plane.
How many chest electrodes are there?
The chest leads are derived by comparing the electrical potentials in WCT to the potentials recorded by each of the electrodes placed on the chest wall. There are six electrodes on the chest wall and thus six chest leads (Figure 19).
Where are the electrodes located in the chest?
These leads are therefore excellent for detecting vectors traveling in the frontal plane. The chest (precordial) leads (V1, V2, V3, V4, V5 and V6) have the exploring electrodes located anteriorly on the chest wall and the reference point located inside the chest.
Where do you place 12 lead ECG electrodes?
12-Lead ECG Placement The patient’s chest and all four limbs should be exposed in order to apply the ECG electrodes correctly. There are different methods for identifying the correct landmarks for ECG electrode placement, the two most common being the ‘Angle of Louis’ Methodand the ‘Clavicular’ Method(Crawford & Doherty 2010a).
Where are the electrodes located in lead III?
Lead III is displayed by attaching the positive electrode beneath the left pectoral muscle and the negative below the left clavicle. Again, the positive electrode senses electrical current traveling towards it, thereby recording an upright waveform or deflection.
Where is the best place to place an electrode?
1 The limb leads can also be placed on the upper arms and thighs. However, there should be uniformity in your placement. 2 For female patients, place leads V3-V6 under the left breast. 3 Do not use nipples as reference points in placing electrodes for both men and women as nipple locations vary from one person to another.