Basic Dysrhythmia-Relias Exams 100% Correct

normal sinus rhythm - ANSWERheart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute Sinus Arrhythmia - ANSWERAppearance is ALMOST NORMAL: Respiratory - Circulatory interaction Rate INCREASES with INSPIRATION (IN=IN) Sinus Bradycardia - ANSWER<60 normal sinus rhythm Sinus Tachycardia - ANSWER>100 (100-150) normal sinus rhythm 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 Sinus Arrest/Pause - ANSWER- SA node doesn't fire - notice absence of P-wave for a complete cycle (a missed cycle) l