Monitoring Drug Efficacy in Rate/Rhythm Control
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Questions and Answers

What is the most common method for monitoring antiarrhythmic therapy to assess drug efficacy?

  • 24-hour Holter monitor
  • Serial recording of an ECG (correct)
  • Event recorder
  • Implantable loop recorder
  • In patients with permanent atrial fibrillation, what is considered the priority when monitoring the efficacy of a drug?

  • Comparing drug efficacy using implantable loop recorders
  • Effect on ventricular rate (correct)
  • Assessing patient's symptoms
  • Monitoring intermittent arrhythmia recurrence
  • Why might recording spontaneous arrhythmias be difficult when monitoring antiarrhythmic therapy?

  • Event recorder provides insufficient data
  • Patients do not tolerate ECG recording well
  • It may require prolonged monitoring (correct)
  • Ambulatory Holter monitor is too invasive
  • What type of monitoring is occasionally used to compare drug efficacy in arrhythmia management?

    <p>Implantable loop recorders</p> Signup and view all the answers

    What information should patients be made aware of regarding specific drug therapy in arrhythmia management?

    <p>Presence of structural heart disease</p> Signup and view all the answers

    Why is it important to have an objective measure of the effect on the arrhythmia when monitoring drug efficacy?

    <p>To evaluate the response to drug therapy</p> Signup and view all the answers

    What is the ideal documentation for assessing response to drug therapy in arrhythmia patients?

    <p>ECG rhythm strip during symptomatic events</p> Signup and view all the answers

    Which type of drugs can cause CNS toxicity, cardiovascular depression, and allergic reactions?

    <p>Local anesthetics</p> Signup and view all the answers

    What should be cautiously used in patients receiving calcium-independent positive inotropic drugs?

    <p>Calcium antagonists</p> Signup and view all the answers

    Which drug has potential lethal adverse effects of bronchospasm and exacerbation of heart failure?

    <p>Sotalol</p> Signup and view all the answers

    What is a key factor that can influence recurrence of chronic arrhythmias?

    <p>Hypertension</p> Signup and view all the answers

    Which drug class can cause pulmonary, hepatic, neurologic, and thyroid toxicity?

    <p>Class III drugs</p> Signup and view all the answers

    'Balancing desired antiarrhythmic effects with avoiding potential toxicity' is a common issue with which type of drugs used to treat arrhythmias?

    <p>Beta-adrenoceptor blocking agents</p> Signup and view all the answers

    'Many patients with atrial fibrillation are unaware of the drug's purpose and may discontinue it when symptoms subside.' This statement primarily refers to which type of drugs?

    <p>Rate control drugs</p> Signup and view all the answers

    'Preventing arrhythmias by adjusting drug dosages' is particularly important for patients with which condition?

    <p>Thyrotoxicosis</p> Signup and view all the answers

    'The most common modality in arrhythmia management is:'

    <p>Pharmacological treatment</p> Signup and view all the answers

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