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A comprehensive set of exercises and answers related to dysrhythmia basics in healthcare. it covers various heart rhythms, including normal sinus rhythm, bradycardia, tachycardia, atrial fibrillation, and ventricular fibrillation, with detailed explanations and characteristics of each. The exercises are valuable for students learning about cardiac rhythms and their interpretations.
Typology: Exams
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Normal sinus rhythm - ✓✓✓Regular Rate: 60- P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Bradycardia - ✓✓✓Regular Rate: < P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec Sinus Tachycardia - ✓✓✓Regular Rate: 100- P Wave: Present, upright PR Interval: 0.12-0.20 sec QRS: <0.12 sec
Premature Atrial Contraction - ✓✓✓IRREGULAR Rate: depends on underlying rhythm P wave: Present or hidden in T wave PR Interval: 0.12-0.20 sec QRS: <0.12 sec Atrial Fibrillation - ✓✓✓IRREGULAR Atrial rate: UNMEASURABLE Ventricular rate: variable P wave: unable to see PR Interval: N/A QRS: <0.12 sec A fib RVR - ✓✓✓IRREGULAR Ventricular rate: 100- P wave: unable to see PR Interval: N/A QRS <0.12 sec Atrial Flutter - ✓✓✓Usually REGULAR can be irregular
P Wave: NONE or INVERTED PR Interval: None or <0. QRS: <0.12 sec Junctional Tachycardia - ✓✓✓Regular Rate: > P Wave: NONE or INVERTED PR Interval: None or <0. QRS: <0.12 sec Premature Ventricular Contraction - ✓✓✓IRREGULAR Rate: refer to underlying rhythm P Wave: NONE PR Interval: N/A QRS: WIDE and BIZARRE , >0.12 sec Ventricular Tachycardia - ✓✓✓Regular Rate: > P Wave: NONE PR Interval: N/A
QRS: WIDE and BIZARRE, >0.12 sec Ventricular Fibrillation - ✓✓✓Chaotic Coarse: big waves Fine: small waves Rate: unmeasurable P Wave: NONE PR Interval: N/A QRS: N/A Idioventricular - ✓✓✓Regular Rate: 20- P wave: NONE PR Interval: N/A QRS: WIDE, >0.12 sec Accelerated Idoventricular Rhythm - ✓✓✓Regular Rate: 50- P wave: NONE PR Interval: N/A
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-
AV Node - ✓✓✓2nd 40- Bundle of His - ✓✓✓3rd 40- Right and Left Bundle Branches - ✓✓✓4th 40- Purkinje Fibers - ✓✓✓5th 20- 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
Trigeminy - ✓✓✓PVC occurs every THIRD beat Couplet - ✓✓✓2 PVCs together Triplet - ✓✓✓3 PVCs together Multifocal - ✓✓✓Multiple shapes Monomorphic V Tach - ✓✓✓Same Shapes V Tach Polymorphic V Tach - ✓✓✓Different Shapes V tach Coarse V Fib - ✓✓✓Chopy but not as high as polymorphic V tach Fine V Fib - ✓✓✓Fine and fibrillatory Idioventricular Rhythms - ✓✓✓Only purkinje fibers firing WIDE QRS always
Atrially Paced - ✓✓✓Spike comes before P Ventricularly Paced - ✓✓✓Spike comes before QRS and QRS will be wide AV Paced - ✓✓✓Spike before P and before QR Failure to Capture - ✓✓✓Spikes with no QRS Failure to Sense - ✓✓✓Spikes happen regardless of QRS on their own How to determine the rhythm - ✓✓✓Regular or irregular? Rate? P before every QRS? QRS for every P? QRS wide or narrow? QT Interval - ✓✓✓0.34-0. P Wave - ✓✓✓0.06-0.12 sec
