Arrhythmias Overview

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Questions and Answers

What is the role of pharmacotherapeutics in managing arrhythmias?

  • Preventing the generation of electrical impulses in the heart
  • Enhancing the automaticity of the heart's rate of depolarization
  • Controlling the heartbeat rhythm and preventing organ damage (correct)
  • Promoting the re-entry of electrical impulses in the heart

What is the primary determinant of normal rhythm in the heart?

  • Atrioventricular node impulse speed
  • The His bundle structure
  • Ventricular muscle contraction
  • Impulses from the sinoatrial node (correct)

Which of the following can cause blood clots in the atria?

  • Low blood pressure
  • Structural heart disease
  • Abnormalities in the generation of electrical impulses
  • Fast and irregular heartbeats (correct)

What is the most common cause of arrhythmias according to the text?

<p>Automaticity (D)</p> Signup and view all the answers

How can arrhythmias lead to thromboembolism?

<p>By impairing blood delivery due to ineffective pump action (B)</p> Signup and view all the answers

What is the significance of assessing antiarrhythmic drugs through randomized-controlled trials?

<p>To evaluate their effect on survival and quality of life (A)</p> Signup and view all the answers

Which part of the heart plays a crucial role in spreading impulses to contract the ventricles?

<p>Bundle of His (D)</p> Signup and view all the answers

What can lead to a potentially continuous loop of contraction in the heart?

<p>Abnormal second depolarization (D)</p> Signup and view all the answers

What is responsible for separating into right and left branches towards the apex of the heart?

<p>The His bundle (B)</p> Signup and view all the answers

Which type of arrhythmia leads to abnormalities in hemodynamics and thromboembolism according to the text?

<p>Re-entry (A)</p> Signup and view all the answers

What can be a cause of arrhythmias?

<p>Electrolyte imbalance (D)</p> Signup and view all the answers

Which symptom is NOT associated with arrhythmias?

<p>High fever (B)</p> Signup and view all the answers

What is a common reason for hospitalization due to arrhythmias?

<p>Type A drug toxicity of Warfarin (D)</p> Signup and view all the answers

How can arrhythmias impact the quality of life for patients?

<p>By reducing cardiac output (A)</p> Signup and view all the answers

Why is a system of classification and global assessment necessary in arrhythmia treatment?

<p>To determine the goal and type of arrhythmia (B)</p> Signup and view all the answers

What knowledge is indicated to be needed for deciding the best treatment and assessment for arrhythmias?

<p>Understanding the mechanism of arrhythmogenesis (C)</p> Signup and view all the answers

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