Cardiac Rhythm Identification Flashcards
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Questions and Answers

What is the term for a slower than normal heart rate?

  • Normal Sinus Rhythm
  • Atrial Fibrillation
  • Sinus Bradycardia (correct)
  • Sinus Tachycardia
  • Which term refers to the normal rhythm of the heart?

  • Normal Sinus Rhythm (correct)
  • Atrial Flutter
  • Ventricular Fibrillation
  • Sinus Bradycardia
  • What is the condition characterized by chaotic and irregular heartbeats?

  • Atrial Flutter
  • Ventricular Fibrillation (correct)
  • Supraventricular Tachycardia
  • Sinus Tachycardia
  • What is the term for rapid heartbeats originating above the ventricles?

    <p>Supraventricular Tachycardia</p> Signup and view all the answers

    Which condition is indicated by the presence of disorganized electrical activity in the atria?

    <p>Atrial Fibrillation</p> Signup and view all the answers

    What is known as the condition where there is a delay in electrical conduction between the atria and ventricles?

    <p>Second-Degree Atrioventricular Block (Mobitz I Wenckebach)</p> Signup and view all the answers

    What is the term for an increased heart rate typically over 100 beats per minute?

    <p>Sinus Tachycardia</p> Signup and view all the answers

    What condition involves the heart showing electrical activity without any mechanical contraction?

    <p>Pulseless Electrical Activity</p> Signup and view all the answers

    What is the condition characterized by organized contractions of the atria that can lead to clots?

    <p>Atrial Flutter</p> Signup and view all the answers

    What is the term for a complete failure of electrical conduction from the atria to the ventricles?

    <p>Third-Degree Atrioventricular Block</p> Signup and view all the answers

    What block is characterized by intermittent non-conduction of impulses from the atria to the ventricles?

    <p>Second-Degree Atrioventricular Block (Mobitz II Block)</p> Signup and view all the answers

    Study Notes

    Cardiac Rhythm Identifications

    • Sinus Bradycardia:
      Characterized by a heart rate less than 60 beats per minute. Often seen in athletes, can indicate increased vagal tone.

    • Normal Sinus Rhythm:
      A heart rhythm originating from the sinoatrial (SA) node with a rate of 60-100 beats per minute. Regular intervals between beats indicate healthy cardiac function.

    • Ventricular Fibrillation:
      A life-threatening arrhythmia where the heart quivers instead of pumping blood, leading to a loss of effective circulation. Requires immediate defibrillation.

    • Supraventricular Tachycardia:
      An abnormally fast heart rate originating above the ventricles, usually ranging from 150 to 250 beats per minute. Can cause palpitations and symptoms of decreased perfusion.

    • Atrial Fibrillation:
      An irregular and often rapid heart rhythm caused by chaotic electrical signals in the atria, leading to inefficient blood flow and increased risk of stroke.

    • Second-Degree Atrioventricular Block (Mobitz I Wenckebach):
      A type of heart block where there’s progressive lengthening of PR intervals until a beat is dropped. Often considered benign but requires monitoring.

    • Sinus Tachycardia:
      A heart rate over 100 beats per minute originating from the SA node. Can be caused by stress, fever, or anemia; generally indicates an underlying issue.

    • Pulseless Electrical Activity:
      A condition where heart rhythm appears normal on an electrocardiogram but fails to produce a palpable pulse. Indicates severe underlying pathology and requires immediate intervention.

    • Atrial Flutter:
      A reentrant tachycardia characterized by rapid, organized electrical activity in the atria. May present with a "sawtooth" pattern noticeable on ECG.

    • Third-Degree Atrioventricular Block:
      A complete blockage of electrical signals between the atria and ventricles, resulting in dissociation between the two. Typically requires pacemaker intervention.

    • Second-Degree Atrioventricular Block (Mobitz II Block):
      More serious than Mobitz I, characterized by dropped beats without prior lengthening of the PR interval. Higher risk of progression to complete heart block.

    • Second-Degree Atrioventricular Block (Mobitz II Block):
      Similar to previous Mobitz II block definition, emphasizing the risk of serious arrhythmias. Patients often require monitoring or pacing.

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    Description

    This quiz covers various cardiac rhythms including Sinus Bradycardia, Normal Sinus Rhythm, and Atrial Fibrillation. It is designed to help learners identify and understand different types of heart rhythms. Perfect for medical students and healthcare professionals.

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