Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
65 Cards in this Set
- Front
- Back
|
What is the correct order of conduction pathway?
|
SA-->Atria-->AV-->Bundle of his-->Bundle branches-->purkinje network
|
|
|
What is the normal PRI?
|
0.12- 0.20 sec
|
|
|
What is the normal QRS duration?
|
< 0.12 sec
|
|
|
What does a P-wave represent?
|
Atrial depolarization
|
|
|
One small box on a strip represents?
|
0.04 sec
|
|
|
HR 60-100
Normal PRI Normal QRS 1:1 conduction regular |
Normal Sinus Rhythm
|
|
|
Entire beat missed
Does not resume on time |
Sinus arrest/ sinus pause
|
|
|
Saw tooth p waves
|
Atrial Flutter
|
|
|
Grossly irregular ventricular rate and no discernable p waves
|
Atrial FIbrillation
|
|
|
Three pacemakers and their inherent rates
|
1. SA Node- 60-100
2. AV Node- 40-60 3. Ventricules- 20-40 |
|
|
Usually seen with PVCs as a result of 2 R-R cycles
|
Compensatory Pause
|
|
|
Usually seen with PACs and PJCs; not the result of 2 R-R cycles
|
Non-compensatory Pause
|
|
|
A T-wave represents?
|
Ventricular repolarization
|
|
|
Normal QT interval
|
< 0.42 sec
|
|
|
Ectopic focus
Non-compensatory pause P wave present Narrow QRS |
PAC
|
|
|
Associated with breathing patterns and generally benign
|
sinus arrhythmia
|
|
|
In CHB (third degree) the ventricular rate is usually _______ than atrial rate
|
slower
|
|
|
If the SA and AV nodes fail, this will assume pacing responsibilities?
|
Ventricles
|
|
|
An EKG rhythm strip has 7 QRS complexes in a six second time period, what is the HR?
|
70 bpm
|
|
|
The PRI measures 4 "baby squares"; this equals
|
0.16 sec
|
|
|
Name the two functions of the heart
|
Electrical and mechanical
|
|
|
"Above the ventricles"
|
Supraventricular
|
|
|
Electrical return to resting state
|
Repolarization
|
|
|
Electrical discharge of energy
|
Depolarization
|
|
|
Natural pacemaker of the hear
|
SA node
|
|
|
This will help you to identify a junctional rhythm
|
P wave
|
|
|
Monitor term associated with atrial contraction
|
p wave
|
|
|
Normal rate of atrial tachycardia
|
150-250 bpm
|
|
|
Normal rate of SVT
|
170-220 bpm
|
|
|
When the pacemaker site changes (SA, AV, Atria) throughout strip showing a variance in p wave morphology
|
Wandering Atrial Pacemaker
|
|
|
In junctional rhythms, the P wave may appear:
|
- small and inverted
- absent - behind the QRS (retrograde) - PRI <0.12 |
|
|
If there is an inverted p wave, but the PRI is WNL, what is your rhythm?
|
Sinus rhythm
|
|
|
PVCs can arise from a variety of focuses as evidenced by different looking PVCs in a strip; this is called
|
Multifocal PVC
|
|
|
Another name for wenkebach
|
Second degree Type 1 or Mobitz I
|
|
|
If you have a PAC every other beat, it is called
|
Atrial bigeminy
|
|
|
No electrical activity as evidenced by straight line
|
Asystole
|
|
|
Rate 150-250
Sudden start and stop Narrow QRS |
PAT
|
|
|
Early beat
wide and bizaare No pwaves |
PVC
|
|
|
Missing entire complex
Resumes on time |
Sinus Exit block
|
|
|
More P waves than QRS
PRI progressively gets longer followed by dropped QRS |
Wenkebach/ Type 1/ Mobitz I
|
|
|
Unmeasurable
Quivering ventricles |
VFib
|
|
|
More p's than QRS
Consistant PRI |
Mobitz II/ Type 2
|
|
|
More p's than QRS
Inconsistant PRI |
CHB/Third Degree!
|
|
|
Evidenced by PRI > 0.20
1:1 conduction |
First degree Heart Block
|
|
|
Rate 60-100
Inverted P wave PRI < 0.12 sec |
Accelerated Junctional
|
|
|
HR 20-40
Wide QRS No atrial activity |
Idioventricular
|
|
|
Let's "EAT" at the Junction Cafe. What does this stand for and the rates?
|
E- escape (40-60)
A- accelerated (60-100) T- tachycardia (>100) |
|
|
Regular rhythm
HR < 60 Normal PRI and QRS |
SInus bradycardia
|
|
|
Early beat with P wave, followed by no QRS
|
non-conducted PAC
|
|
|
Narrow QRS
P waves present HR 150-250 |
Atrial tachycardia
|
|
|
3 or more PACs in a row
|
PAT
|
|
|
grossly irregular
unmeasureable p waves |
Atrial Fibrillation
|
|
|
Regular
Ventricular rate 170-220 P waves not visible |
SVT
|
|
|
HR 40-60
no p wave seen Narrow QRS |
junctional escape
|
|
|
HR 100-180
Regular Inverted p wave |
Junctional tachycardia
|
|
|
Early beat
Non-compensatory pause Inverted p wave PRI < 0.12 |
PJC
|
|
|
QRS > 0.12
Right or left |
Bundle Branch Block (BBB)
|
|
|
Wide QRS
No p waves Rate 140-250 |
V Tach
|
|
|
P waves present
No QRS |
Ventricular Standstill
|
|
|
EKG pacer spikes that fall where they should not "extra spikes"
|
Failure to sense/ undersensing
|
|
|
No pacer spikes because sensitivity fence is too high
|
Oversensing
|
|
|
Pacemaker
P waves present followed by no p waves |
Failure to pace
|
|
|
Measured from J point to the onset of T wave; should be < 2mm
|
ST segment
|
|
|
Repolarization of Purkinje fibers not usually measured
|
U wave
|
|
|
First downward deflection
|
Q wave
|
