Basic Dysrhythmia-Relias Quick Test Question And Correct Answer.
Basic Dysrhythmia-Relias Quick Test Question And Correct Answer. normal sinus rhythm heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute Sinus Arrhythmia Appearance is ALMOST NORMAL: Respiratory - Circulatory interaction Rate INCREASES with INSPIRATION (IN=IN) Sinus Bradycardia 60 normal sinus rhythm Sinus Tachycardia 100 (100-150) normal sinus rhythm Premature Atrial Contraction (PAC) Heart 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 Sinus Arrest/Pause - SA node doesn't fire - notice absence of P-wave for a complete cycle (a missed cycle) length of pause ≠ multiple of normal rate (block) Atrial Fibrillation (A-Fib) an irregular and often very fast heart rate originating from abnormal conduction in the atria Atrial Flutter irregular beating of the atria; often described as "a-flutter with 2 to 1 block or 3 to 1 block" Junctional Rhythm 40-60 Regular! -impulse from AV node w/ retro/antegrade transmission - P wave often inverted/buried/follow QRS - slow rate - narrow QRS (
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