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Basic Dysrhythmia-Relias 2024

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Basic Dysrhythmia-Relias 2024 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

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Basic Dysrhythmia-Relias 2024
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"

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