Have you been diagnosed with Dextrocardia?
A left axis deviation can be the result of weight loss. Many times this shows up after some one loses excess weight as it did with me when I lost over 60 pounds.
Just a thought,
Jon
This post is old, but it might help.I am not familiar with heart deviation myself.
http://www.medhelp.org/posts/Heart-Disease/left-axis-deviation/show/868598
You can do a google search for more answers. Take care, Ally