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EKG

Chapter 3 Lead System

QuestionAnswer
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