BASIC DYSRHYTHMIA-RELIAS QUESTIONS AND ANSWERS

BASIC DYSRHYTHMIA-RELIAS
QUESTIONS AND ANSWERS



normal-sinus-rhythm---ans-✔✔heart-rhythm-originating-in-the-sinoatrial-node-with-a-
rate-in-patients-at-rest-of-60-to-100-beats-per-minute

Sinus-Arrhythmia---ans-✔✔Appearance-is-ALMOST-NORMAL:
Respiratory---Circulatory-interaction
Rate-INCREASES-with-INSPIRATION-(IN=IN)

Sinus-Bradycardia---ans-✔✔<60
normal-sinus-rhythm

Sinus-Tachycardia---ans-✔✔>100-(100-150)
normal-sinus-rhythm

Premature-Atrial-Contraction-(PAC)---ans-✔✔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---ans-✔✔--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)---ans-✔✔an-irregular-and-often-very-fast-heart-rate-originating-
from-abnormal-conduction-in-the-atria

Atrial-Flutter---ans-✔✔irregular-beating-of-the-atria;-often-described-as-"a-flutter-with-2-
to-1-block-or-3-to-1-block"

Junctional-Rhythm---ans-✔✔40-60-Regular!
-impulse-from-AV-node-w/-retro/antegrade-transmission
--P-wave-often-inverted/buried/follow-QRS
--slow-rate