I see a lot of patients who are sent to me for evaluation of dizziness.  On the surface you wouldn’t think a cardiologist would have much to do with a symptom that relates more to the head than the heart, but there is some logic to it—poor blood flow to the brain could lead to dizziness and, since blood flow starts in the heart, that could be the place to look.

While it is true that diminished (or occasional absence of) blood flow from the heart can render a person devoid of the faculties that allow for stable upright posture, true dizziness is rarely the result of impairment of the cardiovascular system.

In order to fully explain the possible sources of dizziness we first need to tease out what is meant by the term itself.

Read more: http://www.kevinmd.com/blog/2011/03/evaluating-dizziness-cardiologists-office.html