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