Relias Dysrhythmia Basic A Test study
guide questions and answers 2024
1st Degree AV Block - Regular
Rate: 60-100
P Wave: Present, upright
PR interval: >0.20 sec CONSISTENTLY LONG
QRS: <0.12 sec
Husband stays late till 9 consistently
2nd Degree AV Block Type I Mobitz, Wenckebach - IRREGULAR
Rate: 60-100
P wave: Present, upright
PR Interval: Progressively longer until drop (PR interval longer and longer until drop)
QRS: <0.12 sec
Husband stays late till 9, then 11, then 1, then doesn't come home at all
2nd Degree AV Block Type II - Irregular or regular
Rate: <60
P wave: Present, upright
PR Interval: PR interval consistently LONGER like type 1 but then a QRS will drop
QRS: <0.12 sec
Husband stays late till 9 consistently, then wife goes out and doesn't come home
3rd Degree AV Block - Atrials and ventricles don't communicate
Rate: regular atrial
P wave: Present, upright
No relationship between P waves and QRS
PR Interval: VARIABLE
QRS: variable
P-P ad R-R consistent but NO correlation
Husband and wife live separate lives and don't communicate
SA Node - 1st
, 60-100
AV Node - 2nd
40-60
Bundle of His - 3rd
40-45
Right and Left Bundle Branches - 4th
40-45
Purkinje Fibers - 5th
20-50
1 Small Box - 0.04 sec
1 Big Box - 0.20 sec
Junctional Rhythms - SA Node DID NOT FIRE
AV Node fired
NO P WAVE bc SA node didn't fire
Narrow QRS
P Wave - Amplitude 0.5-2.5 mm
Will be shorter than T wave
Shows firing of SA node
QRS - 0.06-0.10 sec SHOULD BE <0.12 sec
Wide QRS: delay in ventricular contraction, delay of conduction through bundle
branches or purkinje fibers
BUNDLE BRANCH BLOCK or BLOCK IN PURKINJE FIBERS (idioventricular)
Calculate Regular Rate - 1500/ # boxes R-R
Calculate Irregular Rate - # of Rs in 6 sec strip X 10
Unifocal PVCs - Only 1 shape PVC
Bigeminy - PVC occurs every OTHER beat
Trigeminy - PVC occurs every THIRD beat
Couplet - 2 PVCs together
Triplet - 3 PVCs together
guide questions and answers 2024
1st Degree AV Block - Regular
Rate: 60-100
P Wave: Present, upright
PR interval: >0.20 sec CONSISTENTLY LONG
QRS: <0.12 sec
Husband stays late till 9 consistently
2nd Degree AV Block Type I Mobitz, Wenckebach - IRREGULAR
Rate: 60-100
P wave: Present, upright
PR Interval: Progressively longer until drop (PR interval longer and longer until drop)
QRS: <0.12 sec
Husband stays late till 9, then 11, then 1, then doesn't come home at all
2nd Degree AV Block Type II - Irregular or regular
Rate: <60
P wave: Present, upright
PR Interval: PR interval consistently LONGER like type 1 but then a QRS will drop
QRS: <0.12 sec
Husband stays late till 9 consistently, then wife goes out and doesn't come home
3rd Degree AV Block - Atrials and ventricles don't communicate
Rate: regular atrial
P wave: Present, upright
No relationship between P waves and QRS
PR Interval: VARIABLE
QRS: variable
P-P ad R-R consistent but NO correlation
Husband and wife live separate lives and don't communicate
SA Node - 1st
, 60-100
AV Node - 2nd
40-60
Bundle of His - 3rd
40-45
Right and Left Bundle Branches - 4th
40-45
Purkinje Fibers - 5th
20-50
1 Small Box - 0.04 sec
1 Big Box - 0.20 sec
Junctional Rhythms - SA Node DID NOT FIRE
AV Node fired
NO P WAVE bc SA node didn't fire
Narrow QRS
P Wave - Amplitude 0.5-2.5 mm
Will be shorter than T wave
Shows firing of SA node
QRS - 0.06-0.10 sec SHOULD BE <0.12 sec
Wide QRS: delay in ventricular contraction, delay of conduction through bundle
branches or purkinje fibers
BUNDLE BRANCH BLOCK or BLOCK IN PURKINJE FIBERS (idioventricular)
Calculate Regular Rate - 1500/ # boxes R-R
Calculate Irregular Rate - # of Rs in 6 sec strip X 10
Unifocal PVCs - Only 1 shape PVC
Bigeminy - PVC occurs every OTHER beat
Trigeminy - PVC occurs every THIRD beat
Couplet - 2 PVCs together
Triplet - 3 PVCs together
