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Exam questionKROK 1Medicine ยท 2020

ECG of the patient shows increased duration of the ORS complex. What is the most likely cause?

Answer options

  1. Disturbed conduction in the atrioventricular node
  2. Increased period of atrial excitation
  3. Increased atrial excitability
  4. Increased period of ventricular excitation
  5. Increased atrial and ventricular excitability
Correct answer

Increased period of ventricular excitation

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