Show:
BASICS
RECORDING EKG
RATE
RHYTHM
MISC
100
The EKG records the electrical activity of the heart using skin sensors called _____________
electrodes
100
Do we record EKGs on normal or semi-log graph pape
normal graph
100
Normal sinus rhythm has what range of beats per minute
60-100
100
Name all of the 3 main types of irregular rhythms
wandering pacemaker, multifocal atrial tachycardia, atrial fibrillation
100
Atrial flutter resembles a what appearance
sawtooth
200
The ability of the SA node to generate pacemaking stimuli is known as
automaticity
200
How many lines are their between 2 bold black lines
5
200
What foci is pacing the heart at 60-80 beats/min
atrial foci
200
In a-fib, what waves are missing
P waves
200
How many degrees are their of AV blocks
3
300
Name the order of the hearts electrical conduction system
SA node, AV node, Bundle of HIs, Rt and Lt bundle branches, purkinje fibers
300
How much time is between 2 bold black lines, referring to time in seconds
.2 seconds
300
What is pacing it at 40-60 beats/min? What about 20-40?
40-60-junctional foci 20-40-ventricular foci
300
In a ventricular escape rhythm (PVC), there is a widened _ _ _ complex
QRS
300
A P-R interval of more then .2 secs is a _____ _____ AV block
1st degree
400
What part of the conduction system starts the ventricular conductinon
Bundle of HIs
400
How much time is their between 2 thin lines
.04 seconds
400
What is the heart rate in tachycardia?
Over 100
400
What is a premature beat?
What is a beat earlier then expected
400
RT or Lt Bundle branch blocks have 2 _ ____
R Waves
500
What part of the heart cycle do we get a P wave
atrial depolarization
500
A standard EKG has 12 leads, 6 limb and 6 chest. Name 3 limb leads and 3 chest leads?
limbs-I,II,III, AVR, AVL, AVF chest-V1,V2,V3,V4,V5,V6
500
What is the heart rate in bradycardia?
under 60
500
Explain a ventricular bigeminy
What is normal, pvc, normal, pvc, normal, pvc
500
Who's glad were not cardiologists???
Me