KROK 1 2015 – Question 151 · KROK (Medicine) · Physiology

Electrocardiogram of a young man reveals deviation of his electrical axis of heart to the left. This phenomenon can be caused by:

  1. A. Dilation of the right atrium
  2. B. Asthenic body type
  3. C. Dilation of the left atrium
  4. D. Dilation of the right ventricle
  5. E. Hypersthenic body type
Hint

Consider the heart’s anatomical position in the chest and what, in a healthy young person, could rotate the mean electrical vector of ventricular depolarisation.

The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.

Create a free account Log in

More questions on Physiology