BASIC DYSRHYTHMIA-RELIAS QUESTIONS WITH
ACCURATE ANSWERS
normal sinus rhythm Accurate Answer - heart rhythm originating in
the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute
Sinus Arrhythmia Accurate Answer - Appearance is ALMOST NORMAL:
Respiratory - Circulatory interaction
Rate INCREASES with INSPIRATION (IN=IN)
Sinus Bradycardia Accurate Answer - <60
normal sinus rhythm
Sinus Tachycardia Accurate Answer - >100 (100-150)
normal sinus rhythm
Premature Atrial Contraction (PAC) Accurate Answer - 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 Accurate Answer - - 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) Accurate Answer - an irregular and often
very fast heart rate originating from abnormal conduction in the atria
Atrial Flutter Accurate Answer - irregular beating of the atria; often
described as "a-flutter with 2 to 1 block or 3 to 1 block"
Junctional Rhythm Accurate Answer - 40-60 Regular!
-impulse from AV node w/ retro/antegrade transmission
- P wave often inverted/buried/follow QRS
ACCURATE ANSWERS
normal sinus rhythm Accurate Answer - heart rhythm originating in
the sinoatrial node with a rate in patients at rest of 60 to 100 beats per minute
Sinus Arrhythmia Accurate Answer - Appearance is ALMOST NORMAL:
Respiratory - Circulatory interaction
Rate INCREASES with INSPIRATION (IN=IN)
Sinus Bradycardia Accurate Answer - <60
normal sinus rhythm
Sinus Tachycardia Accurate Answer - >100 (100-150)
normal sinus rhythm
Premature Atrial Contraction (PAC) Accurate Answer - 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 Accurate Answer - - 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) Accurate Answer - an irregular and often
very fast heart rate originating from abnormal conduction in the atria
Atrial Flutter Accurate Answer - irregular beating of the atria; often
described as "a-flutter with 2 to 1 block or 3 to 1 block"
Junctional Rhythm Accurate Answer - 40-60 Regular!
-impulse from AV node w/ retro/antegrade transmission
- P wave often inverted/buried/follow QRS
