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National Telemetry Association Cardiac Arrhythmia Exam Questions and Answers Rated A+ $9.99   Add to cart

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National Telemetry Association Cardiac Arrhythmia Exam Questions and Answers Rated A+

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National Telemetry Association Cardiac Arrhythmia Exam Questions and Answers Rated A+ What is the definition of a cardiac arrhythmia? A cardiac arrhythmia is any irregularity in the normal rhythm of the heart, which can manifest as a faster, slower, or irregular heartbeat. How is atrial...

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  • November 11, 2024
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  • Exam (elaborations)
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  • National Telemetry Association Cardiac Arrhythmia
  • National Telemetry Association Cardiac Arrhythmia
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National Telemetry Association Cardiac
Arrhythmia Exam Questions and
Answers Rated A+
What is the definition of a cardiac arrhythmia?


✔✔A cardiac arrhythmia is any irregularity in the normal rhythm of the heart, which can

manifest as a faster, slower, or irregular heartbeat.




How is atrial fibrillation different from ventricular fibrillation?


✔✔Atrial fibrillation involves irregular electrical activity in the atria, often leading to a rapid and

erratic heart rate. Ventricular fibrillation, on the other hand, occurs in the ventricles and is a life-

threatening condition that causes the heart to stop pumping blood effectively.




What is the first-line treatment for ventricular tachycardia in a stable patient?


✔✔For stable ventricular tachycardia, the first-line treatment typically involves antiarrhythmic

drugs, such as amiodarone or lidocaine, to restore normal rhythm.




How would you assess a patient with suspected bradycardia using telemetry?


✔✔To assess bradycardia, check for a heart rate below 60 beats per minute, verify the rhythm's

regularity, and monitor for symptoms such as dizziness, hypotension, or fatigue.

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, What can cause sinus tachycardia in a patient with no underlying heart disease?


✔✔Sinus tachycardia may be caused by factors such as fever, anxiety, anemia, dehydration, or

increased physical activity, even in a patient with no underlying heart disease.




What is a key distinguishing factor between a first-degree heart block and a second-degree heart

block?


✔✔A first-degree heart block is characterized by a prolonged PR interval (> 300 ms) but all

atrial impulses are conducted to the ventricles. In second-degree heart block, some impulses are

not conducted, leading to dropped beats.




How do you recognize a premature ventricular contraction (PVC) on telemetry?


✔✔PVCs are characterized by an early and wide QRS complex, often followed by a

compensatory pause. These abnormal beats typically arise from the ventricles rather than the

atria.




What does a "QRS complex" represent in an ECG strip?


✔✔The QRS complex represents ventricular depolarization, where the electrical impulse triggers

contraction of the ventricles.



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