KROK 1 2023 – Question 97 · KROK (Medicine) · Physiology

Analysis of the patient’s ECG recorded in the I, II, and III standard leads shows that the P wave is positive in each one of them. What does it indicate?

  1. A. Atrial depolarization rate
  2. B. Pumping function of the left side of the heart
  3. C. Mitral valve condition
  4. D. Ventricular depolarization rate
  5. E. Direction of atrial depolarization
Hint

Think about what a consistently upward P deflection in all three limb leads says about the path that excitation takes through the atria.

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