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ECG Basics

The normal ECG: conduction, lead placement, waves and intervals, normal values, heart rate and sinus rhythm.

  • Intermediate
  • 15questions
  • 17min
  • Topic: Electrocardiography
  • BSc · MBBS

Free. No account needed for your first five quizzes.

Sample Questions

What You'll Be Asked

  1. At the standard ECG paper speed of 25 mm/s, what time does one small (1 mm) square represent?
  2. A regular rhythm has an R-R interval of exactly 5 large squares at standard paper speed. What is the heart rate?
  3. The PR interval is measured from the start of the P wave to the start of the QRS complex.

12 more questions in the quiz. Your score and the right answers come at the end.

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