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Answers to End-of-Chapter Review Questions

CHAPTER 1

  1. 60 and 100 bpm

  2. Positive

  3. Negative

  4. Negative

  5. Anterior and posterior

  6. Atrioventricular node

  7. Purkinje fibers

  8. QRS complex

  9. Automaticity

10. High right atrium

CHAPTER 2

  1. 120 to 200 milliseconds

  2. 80 to 120 milliseconds

  3. Less than 440 to 460 milliseconds

  4. Ventricular arrhythmias

  5. QT interval

  6. J point

  7. Bradycardia

  8. Apex of the T wave

  9. 160 milliseconds

10. 80 milliseconds

CHAPTER 3

  1. I, II, and III

  2. aVR, aVL, and aVF

  3. II and III

  4. I and III

  5. I and II

  6. Positive

  7. Negative

  8. V4

  9. Lead II

10. I + III = II

CHAPTER 4

  1. 60 and 100 bpm

  2. 40 and 60 bpm

  3. 20 and 40 bpm

  4. 36 bpm, ventricles

  5. 50 bpm, sinus node

  6. 90 bpm

CHAPTER 5

  1. Regular

  2. Irregularly irregular

  3. Irregular, P waves

  4. Atrial bigeminy

  5. Decrease

  6. Premature ventricular contractions

  7. Wide

CHAPTER 6

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