Relias Dysrhythmia Basic Test & Answers
2025/2026 Dysrhythmia (A Graded), Exams of
Nursing |Graded A+|Guaranteed Pass
normal sinus rhythm - ANSWERS-heart rhythm originating in the
sinoatrial node with a rate in patients at rest of 60 to 100 beats
per minute
Sinus Arrhythmia - ANSWERS-Appearance is ALMOST NORMAL:
Respiratory - Circulatory interaction
Rate INCREASES with INSPIRATION (IN=IN)
Sinus Bradycardia - ANSWERS-<60
normal sinus rhythm
Sinus Tachycardia - ANSWERS->100 (100-150)
normal sinus rhythm
Premature Atrial Contraction (PAC) - 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 - 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)
