Sharp Ecg Test: Questions With 100%Correct Answers
SHARP ECG TEST: QUESTIONS With 100%CORRECT ANSWERS tachycardia and bradycardia - Answer100 bpm 60 bpm Bigeminy - Answerevery other complex is a PVC Trigeminy - Answerpattern in which every third complex is a premature beat Premature Junctional Contraction (PJC) - AnswerRate: Normal or accelerated P wave: inverted or absent QRS: normal Conduction: normal rhythm: irregular: PICs occur early in cycle of baseline rhythm -an ectopic pacemaker in the AV Junction produces PJC's -may occur in heatlhy or diseased hearts -if occasional, insignificant Premature Atrial Contraction (PAC) - AnswerHeart Rate: Depends on underlying rhythm Regularity: Interrupts the regularity of underlying rhythm P-Wave: can be flattened, notched, or unusual. May be hidden within the T wave PRI: measures between .12-.20 seconds and can be prolonged; can be different from other complexes QRS: .12 seconds Characteristics of Ventricular Tachycardia - AnswerWide an bizarre QRS complex, greater than 100 beats per minute, absent P waves, no PRI, can be monomorphic or polymorphic SA node rate - Answer60-100 bpm AV node rate - Answer40-60 bpm Prukinje fiber rate - Answer15-40bpm Accelerated Junctional Rhythm - Answerregular rhythm, rate 60-100, p waves inverted or occur before during or after QRS, PRI measured if p before QRS 0.12 AV Blocks - AnswerAV blocks are identified as a delay or interruption of the electrical impulse conduction beyond the AV node. It is evaluated by measuring the PR interval in ECG traces. THE PR INTERVAL IS THE KEY OF DIFFERENTIATION AND CLASSIFICATION OF THE AV BLOCKS!
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