EKG Lead Placement - 3,5,12 leads

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Last updated 6:19 PM on 4/22/26
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15 Terms

1
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12-lead EKG placement - number of electrodes placed

10 electrodes - 4 limb ; 6 precordium (chest)

2
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limb leads/electrode placement - 3,5, and 12 lead EKGs

right arm, left arm, right leg, left leg (can also be place on right/left chest/abdomen areas)

3
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<p>V1 placement - 12-lead EKG</p>

V1 placement - 12-lead EKG

4th intercostal space - right side of patients sternum

4
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<p>V2 placement - 12-lead EKG</p>

V2 placement - 12-lead EKG

4th intercostal space - left side of patients sternum

5
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<p>V3 placement - 12-lead EKG</p>

V3 placement - 12-lead EKG

between V2 and V4

6
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<p>V4 placement - 12-lead EKG</p>

V4 placement - 12-lead EKG

5th intercostal space - left side of patients sternum

7
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<p>V5 placement - 12-lead EKG</p>

V5 placement - 12-lead EKG

5th intercostal space - patients left side - midclavicular line

8
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<p>V6 placement - 12-lead EKG</p>

V6 placement - 12-lead EKG

5th intercostal space - patietns left side - midaxillary line

9
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5-lead EKG placement - number of electrodes placed

5 electrodes - 4 limb leads ; 1 middle electrode

10
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<p>where is the singular non-limb electrode placed for a 5-lead EKG</p>

where is the singular non-limb electrode placed for a 5-lead EKG

in the middle of the chest - just below the patients suprasternal notch (can also be placed on patients right side - 4th intercostal space)

11
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indications for placement of a 12-lead EKG

  • Chest pain/discomfort suggestive of cardiac ischemia

  • Epigastric pain

  • Shortness of breath

  • Syncope (or near-syncope)

  • Pulmonary edema/Cardiogenic shock

  • Wide complex tachycardia

  • Symptomatic bradycardia

  • Stroke

  • Altered level of consciousness (ALOC)

  • Vague “unwell” symptoms in diabetic and elderly patients.

12
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per local protocols, what should an EMT do after obtaining a 12-lead EKG

immediately contact medical control/hospital to notify of transmission of EKG reading

13
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when obtaining a patients 12-lead EKG, what steps are needed to obtain a reading on a monitor

  1. turn on the monitor

  2. hit “12-lead” button on the side panel

  3. input the patients age and gender

  4. hit “acquire 12-lead” - INSTRUCT PATIENT TO REMAIN STILL

  5. after 10-seconds, patient may relax, after “requiring 12-lead” shows on monitor

14
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<p>right limb lead placement - for all EKGs</p>

right limb lead placement - for all EKGs

“clouds above grass” - RA = white lead ; RL = green lead

15
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<p>left limb lead placement - for all EKGs</p>

left limb lead placement - for all EKGs

“smoke above fire” - LA = black lead ; LL = red lead