What is Lead I
Right arm to left arm
Precordial leads are also known as?
Chest leads (v1-v6)
What are unipolar leads
V1-V6, electrical charge only goes 1 way
What is a normal PR interval
0.12s-0.2s
What is the function of gain on an EKG machine?
adjusts the height
What is Lead II
Right arm to left leg
What leads are Bipolar
I,II,III
What view of the heart is aVR
Right side of heart
How do you calculate the heart rate using the 6 second method?
count the number of QRS complexes and multiply by 10
What is the normal speed?
25mm
What is Einthovens Triangle?
Which leads are augmented
AVR, AVL, AVF
What is the location of V1
4th intercostal space right sternal border
What is a normal QRS complex duration
<0.12s
10mm
What is Lead III
Left arm to Left leg
What view of the heart is AVF
Bottom of the heart (foot)
What view of the heart is aVL.
Left side of the heart
How do you calculate a heart rate using the 1500 method?
count the number of small boxes between two R waves and divide 1500 by that number
If I have a fast rhythm greater than 150bpm what should I change the speed to?
50mm/s
What is Wilson's Central Terminal
Forms the center of Einthoven's triangle, neutral point, umbilicus
What is the location of V9
Paraspinal border @ the level of V7 and V8
What is the location of V6
5th intercostal space axillary line
How do you calculate the heart rate using the 300 method?
Count the number of big boxes between two R waves and divide 300 by that number
What is another word for gain?