Telemetry & ECG Questions and
Answers Graded A+
What does a flatline on a telemetry monitor indicate?
A flatline typically indicates the absence of electrical activity in the heart, often signaling
asystole, which is a life-threatening situation requiring immediate intervention such as CPR....
Telemetry & ECG Questions and
Answers Graded A+
What does a flatline on a telemetry monitor indicate?
✔✔A flatline typically indicates the absence of electrical activity in the heart, often signaling
asystole, which is a life-threatening situation requiring immediate intervention such as CPR.
What is the significance of ST-segment elevation on an ECG?
✔✔ST-segment elevation on an ECG may indicate myocardial infarction (heart attack),
signaling that part of the heart muscle is not receiving adequate blood flow, requiring urgent
medical attention.
How do telemetry monitors help detect arrhythmias?
✔✔Telemetry monitors continuously track the heart’s electrical activity, allowing for the early
detection of arrhythmias such as atrial fibrillation or ventricular tachycardia, which can then be
treated immediately.
What does a QRS complex represent in an ECG?
1
,✔✔The QRS complex represents the electrical impulses that cause the ventricles to contract,
crucial for assessing the heart's rhythm and identifying conditions like bundle branch blocks or
other conduction abnormalities.
What should be done if an ECG monitor displays an abnormal rhythm?
✔✔If an abnormal rhythm is detected, the healthcare provider should assess the patient’s clinical
symptoms, check the electrode placement, and decide whether further interventions like
medication or electrical therapy are needed.
Why is patient movement a challenge in telemetry monitoring?
✔✔Patient movement can cause artifacts, or electrical interference, in the ECG, leading to
inaccurate readings or false alarms, which may delay necessary treatment or cause unnecessary
panic.
What are the possible causes of sinus tachycardia in telemetry monitoring?
✔✔Sinus tachycardia may be caused by factors such as fever, dehydration, anemia, pain, or
emotional stress, which can increase the heart rate in a compensatory manner.
How is atrial fibrillation detected on an ECG?
2
, ✔✔Atrial fibrillation is characterized by an irregular, rapid heart rate with no clear P waves and
an erratic baseline. It may be detected on an ECG as rapid, disorganized electrical impulses
originating from the atria.
What does a prolonged QT interval on an ECG indicate?
✔✔A prolonged QT interval can increase the risk of dangerous arrhythmias, such as torsades de
pointes, and may be caused by certain medications, electrolyte imbalances, or congenital
conditions.
What is the purpose of monitoring heart rate variability in telemetry?
✔✔Monitoring heart rate variability helps assess autonomic nervous system function and can
provide valuable insights into the patient’s overall cardiac health and response to stress or illness.
What are the potential causes of a low heart rate on a telemetry monitor?
✔✔Bradycardia, or a low heart rate, can be caused by conditions such as sinus node dysfunction,
medication effects, hypothermia, or increased vagal tone, and may require intervention if
symptomatic.
How does telemetry help in post-operative cardiac care?
3
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