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Relias Dysrhythmia Basic A | 100% Correct |
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Normal sinus rhythm Regular Rate: 60- 100 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 Brainpower Read More Sinus Tachycardia Regular Rate: 100- 150 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- 175 P wave: unable to see PR Interval: N/A QRS <0.12 sec Atrial Flutter Usually REGULAR can be irregular Atrial rate: 250- 350 Ventricular rate: variable BUT < atrial rate P Wave: Flutter PR Interval: N/A QRS: <0.12 sec Supraventricular Tachycardia Regular Rate: 150- 350
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- 50 P wave: NONE PR Interval: N/A QRS: WIDE, >0.12 sec Accelerated Idoventricular Rhythm Regular Rate: 50- 100
P wave: NONE PR Interval: N/A QRS: WIDE, >0.12 sec 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: < 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
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 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
