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Basic Dysrhythmia-Relias Exams Questions with Correct Solutions.
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Basic Dysrhythmia-Relias Exams Questions with Correct Solutions.
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Basic Dysrhythmia-Relias ExamsQuestions with Correct Solutions
normal sinus rhythm - Correct Answer: heart rhythm originating in the sinoatrial node with a rate in
patients at rest of 60 to 100 beats per minute
Sinus Arrhythmia - Correct Answer: Appearance is ALMOST NORMAL:
Respiratory - Circulatory interaction
Rate INCREASES with INSPIRATION (IN=IN)
Sinus Bradycardia - Correct Answer: <60
normal sinus rhythm
Sinus Tachycardia - Correct Answer: >100 (100-150)
normal sinus rhythm
Premature Atrial Contraction (PAC) - Correct 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 - Correct 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) - Correct Answer: an irregular and often very fast heart rate originating from
abnormal conduction in the atria
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