relias-dysrhythmia-basic-test-answers--dysrhythmia-basic-a-a-graded-100-verified.pdf

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 amuri Relias Dysrhythmia Basic Test Answers Dysrhythmia –Basic A ( A+ GRADED 100% VERIFIED) 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