Feel close to I am going to plunge over.?

I have be experiencing some dizziness off and on. Then I grasp short of breath and I feel resembling I am going to faint. This have never happened to me up to that time. Any ideas? (It feel like vertigo).Feel close to I am going to plunge over.?
You might be anemic or iron not up to scratch. Ask a doctor to check your blood for iron deficiency-- it's the most common nutritional defect in the world. Symptoms are fatigue, fear, shortness of breath, racing heart, dizziness.
And you might also be hypoglycemic
http://hypoglycemia.org/hypo_test.asp...
You entail to see a doctor,I don't think you will find one here on ByeDr.com, my guess high-ranking blood pressure, or heart..