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EKG
Chapter 3 Lead System
| Question | Answer |
|---|---|
| How many electrodes are placed on the body? | 10 |
| Electrodes should be on the fleshy part of the body; True or false? | True |
| Where should the electrodes be placed on the arms | Upper arm (bicep) or lower arm (thumb side) |
| Where should the electrodes be placed on the legs | low calf muscle |
| Color on right arm | White |
| Color on Right leg | green |
| Color on left arm | black |
| Color on left leg | red |
| What color and location should the ground be | Green, Right leg |
| how many chest leads are there | 6 |
| name all chest leads | V1, V2, V3, V4, V5, V6 |
| v1 color | Red |
| v2 color | yellow |
| v3 color | green |
| v4 color | blue |
| v5 color | orange |
| v6 color | purple |
| V1 is placed where | 4th ICS at the right sternum |
| V2 is placed where | 4th ICS at the left sternum |
| V3 is placed where | between the V2 and V4 |
| V4 is placed where | 5th ICS at the mid-clavicular line |
| V5 is placed where | 5th ICS at the anterior axillary line |
| V6 is placed where | 5th ICS at the mid-axillary line |
| How many leads are produced from the 10 electrodes? | 12 |
| Define lead | view of the heart |
| The 12 leads/views will give the Dr. what type of image of the heart | 3-D |
| Einthoven's Triangle is used to determine _____ using ____ electrodes | vectors, limb |
| how many standard leads are there | 3 |
| name the 3 standard leads | lead 1, lead 2, lead 3 |
| RA to LA is what lead | lead 1 |
| RA to LL is what lead | lead 2 |
| LA to LL is what lead | lead 3 |
| the left leg is always | positive |
| what is the name of the other leads on the Einthoven's Triangle | Augmented leads |
| shows the mid-point between LA/LL to RA | AVR |
| mid-point between RA/LL to LA | AVL |
| Mid-point between to RA/LA to LL | AVF |
| the mid-point is always | negative |
| The direction of the electrical impulse is called it's .... | vector |
| What is another name for the chest leads? | precordial |
| if you see interference on leads I and III, what electrode would you check? | LA |
| if you see interference on leads II and III, what electrode would you check? | LL |
| if you see interference on leads I and II, which electrode would you check? | RA |
| If you see interference on leads I an aVR, what electrode would you check? | RA |
| if you see interference on leads II and AVF, what electrode would you check? | LL |
| If you see interference on leads III and AVL, what electrode would you check | LA |
| another name for the standard limb leads | bipolar |
| another name for the augmented leads? | unipolar |
Created by:
bpstears
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