Cardiac 1
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Questions and Answers

Which factor can create premature beats and arrhythmias due to inadequate oxygenation?

  • Drugs
  • Sympathetic stimulation
  • Ischemia (correct)
  • Electrolytes imbalance
  • Which condition can be associated with anxiety, hyperthyroidism, and congestive heart failure, leading to a fast heart rate?

  • Electrolytes imbalance
  • Sympathetic stimulation (correct)
  • Ischemia
  • Bradycardia
  • Which electrolytes are crucial for proper heart function?

  • K+ & Mg+
  • K+ & Na+
  • Mg+ & Calcium (correct)
  • Ca2+ & Cl-
  • What effect does bradycardia have on the heart?

    <p>Slows down the heart rate</p> Signup and view all the answers

    Which of the following drugs can cause prolonged QT syndrome leading to arrhythmias?

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

    In hypertensive patients, which factor can contribute to the development of dysrhythmias?

    <p>Stretching of the heart</p> Signup and view all the answers

    During hypoxia, what can happen to the heart's rhythm if oxygenation is inadequate?

    <p>Premature beats and arrhythmias can occur</p> Signup and view all the answers

    Which type of dysrhythmia involves a premature impulse originating at the AV nodal area before the next normal sinus impulse reaches the AV node?

    <p>'Premature Junctional Contraction (PJC)'</p> Signup and view all the answers

    In a junctional rhythm, what is the ventricular rate range?

    <p>40-60bpm</p> Signup and view all the answers

    What is a common characteristic of a junctional rhythm on an EKG strip?

    <p>Regular rhythm with inverted P wave</p> Signup and view all the answers

    Which treatment method is recommended for stable ventricular tachycardia?

    <p>150mg/100mL D5W over 10 minutes</p> Signup and view all the answers

    What is the main reason PVCs (Premature Ventricular Contractions) can cause?

    <p>Heart palpitations</p> Signup and view all the answers

    Which condition is characterized by a rate above 100bpm, regular rhythm, and wide QRS on an EKG strip?

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

    What treatment is recommended for ventricular asystole?

    <p>CPR and epinephrine every 3-5 minutes</p> Signup and view all the answers

    What occurs if lidocaine or amiodarone is used to treat idioventricular rhythm?

    <p>'R on T' phenomenon triggering VFIB</p> Signup and view all the answers

    'Wanchebac' is associated with which type of second-degree AV block?

    <p>'Longer PRI' phenomenon of Type 1 AV Block</p> Signup and view all the answers

    'Bottom beating at 40bpm' is associated with which type of heart block?

    <p>'No coordination between P and QRS' of Third Degree Heart Block</p> Signup and view all the answers

    'All impulses run through the AV node making it slower than usual.' This statement describes which conduction abnormality?

    <p>First Degree AV Block</p> Signup and view all the answers

    What is the term for a premature impulse that originates at the AV nodal area before the next normal sinus impulse reaches the AV node?

    <p>Junctional Rhythm</p> Signup and view all the answers

    Which of the following conditions can lead to dysrhythmias due to stretching the heart over time?

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

    In dysrhythmia management, which type of drugs can cause arrhythmias like prolonged QT syndrome?

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

    Which electrolyte is crucial for proper heart function and can contribute to dysrhythmias if imbalanced?

    <p>Calcium (Ca2+)</p> Signup and view all the answers

    What effect does sympathetic stimulation have on the heart, potentially leading to dysrhythmias?

    <p>Stimulates the heart to beat fast</p> Signup and view all the answers

    Which factor, if neglected, can cause premature beats and arrhythmias due to inadequate oxygenation?

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

    What role does bradycardia play in dysrhythmias?

    <p>Slows down heart rate</p> Signup and view all the answers

    What is the expected ventricular rate range in a junctional rhythm?

    <p>40-60bpm</p> Signup and view all the answers

    What is a characteristic of idioventricular rhythm on an EKG strip?

    <p>Heart rate of 20-40bpm</p> Signup and view all the answers

    In treating stable Ventricular Tachycardia, what is the recommended medication dosage of Amiodarone given directly via IV push?

    <p>300mg</p> Signup and view all the answers

    Which conduction abnormality presents with all impulses running through the AV node, causing slower conduction?

    <p>First-degree AV block</p> Signup and view all the answers

    What is the outcome if Lidocaine or Amiodarone is used to treat Idioventricular Rhythm?

    <p>Risk of Ventricular Asystole</p> Signup and view all the answers

    What characterizes Third-Degree Heart Block in terms of the coordination between P waves and QRS complexes?

    <p>No coordination between P waves and QRS complexes</p> Signup and view all the answers

    What is the main reason why Premature Ventricular Contractions (PVCs) can cause issues?

    <p>Potential for R on T phenomenon</p> Signup and view all the answers

    'Wanchebac' pattern is associated with which type of Second-Degree AV Block?

    <p><strong>Type 1 - Wenchback</strong></p> Signup and view all the answers

    'Asystole' pattern in Ventricular Asystole is characterized by what EKG feature?

    <p><strong>Flatline with absent QRS</strong></p> Signup and view all the answers

    What should be checked before pronouncing a patient dead in Ventricular Asystole?

    <p>Two EKG leads for confirmation</p> Signup and view all the answers

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