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BSMH Advanced Arrhythmia Course Exam NEWEST 2025
COMPLETE QUESTIONS AND CORRECT DETAILED
ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED
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P Wave - CORRECT ANSWER- atrial depolarization
PR Interval - CORRECT ANSWER- time it takes for the impulse to get from atrial to ventricles 0.12 - 0.20 seconds
QRS Interval - CORRECT ANSWER- ventricular depolarization < 0.12 seconds
ST Segment - CORRECT ANSWER- early depolarization of ventricles depression = myocardial infarction elevation = myocardial injury
T Wave - CORRECT ANSWER- repolarization of ventricles Blood flow through the heart - CORRECT ANSWER- SVC --> Rt atria --> Tricuspid --> Rt ventricle --> Pulmonic valve --> Lungs --> Lt atria --> Mitral valve --> Lt ventricle --> aortic valve --> aorta --> Body
EKG Times - CORRECT ANSWER- 6 second strip 1 small block = 0.04 secs 1 big block = 5 small boxes = 0.20 secs 15 big blocks = 3 seconds
Heart blocks - CORRECT ANSWER- No changes in PR Interval
- QRS complexes present = 1st degree
- No QRS complexes = 2nd degree type II
Changes in PR Interval
- R to R interval regular = 3rd degree
- R to R interval irregular = 2nd degree type I
Conduction pathway - CORRECT ANSWER- Sinus node - inerarterial tracts - atrium - intermodal tracts - AV node - bundle of HIS - bundle branches - purkinje fibers - ventricles
Inherent rates - CORRECT ANSWER- SA node = 60- AV node = 40- Ventricle = 20-
Atrial flutter - CORRECT ANSWER- Sawtooth pattern
Atrial fibrillation - CORRECT ANSWER- Waves between QRS
Idioventricular - CORRECT ANSWER- Rate 20- T wave opposite QRS, no P wave, wide QRS
Accelerated Idioventricular - CORRECT ANSWER- Rate 40- T wave opposite QRS, no P wave, wide QRS
Asystole - CORRECT ANSWER- Flat line
First degree heart block - CORRECT ANSWER- Prolonged P wave > 0. "If R is far from P, then you have a 1st degree"
Pacemaker Failure to Sense - CORRECT ANSWER- Pacemaker spike occurs in middle of QRS complex, T wave, or ST segment
