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