RELIAS DYSRHYTHMIA BASIC TEST A AND B EXAM / QUESTIONS AND CORRECT ANSWERS / UPDATED VERSION 2023/2024 GRADED A+

Sinus Bradycardia - CORRECT ANSWERS-<60 normal sinus rhythm Sinus Tachycardia - CORRECT ANSWERS->100 (100-150) normal sinus rhythm normal sinus rhythm - CORRECT ANSWERS-heart rhythm originating in the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute Sinus Arrhythmia - CORRECT ANSWERS-Appearance is ALMOST NORMAL: Respiratory - Circulatory interaction Rate INCREASES with INSPIRATION (IN=IN) Premature Atrial Contraction (PAC) - CORRECT ANSWERS-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 - CORRECT ANSWERS-- 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)