BASICS
RECORDING EKG
RATE
RHYTHM
MISC
100
The EKG records the electrical activity of the heart using skin sensors called _____________
What is electrodes
100
Do we record EKGs on normal or semi-log graph paper
What is normal graph
100
Normal sinus rhythm has what range of beats per minute
What is 60-100
100
Name 1 of the 3 main types of irregular rhythms
What is wandering pacemaker, multifocal atrial tachycardia, atrial fibrillation
100
Atrial flutter resembles a what appearance
What is sawtooth
200
Pace maker of the heart
SA node
200
What is the normal duration for the PR interval?
.12-.2 sec or 3-5 little boxes
200
What is the normal HR?
60-100 bpm
200
In a-fib, do you see any R waves?
yes
200
How many degrees are their of AV blocks
What is 3
300
These are tendens that hold the AV valve in place so it prevents it from swinging upward into the atria....
Chordae Tendineae
300
The normal duration for a QRS is?
< .1 sec or 2.5 little boxes
300
What is a HR for tachycardia?
100 bpm
300
In a ventricular escape rhythm (PVC), there is a widened _ _ _ complex
What is QRS
300
A P-R interval of more then .2 secs is a _____ _____ AV block
What is 1st degree
400
fifth intercostal space at junction of midclavicular line
V4 Location
400
How much time is their between 2 thin lines
What is .04 seconds
400
When calculating HR on a 6 sec strip and counting 30 boxes you would multiply by what?
10
400
What is a premature beat?
What is a beat earlier then expected
400
A P wave indicates......
atrial depolarization
500
What part of the heart cycle do we get a P wave
What is atrial depolarization
500
What are the chest leads
chest-V1,V2,V3,V4,V5,V6
500
If you have 5 QRS in a 3 sec strip. you have a HR of what?
75 bpm
500
if the R-R intervals do not line up when you measure the distance, then it is......
irregular rhythm
500
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