Hypoglycemia related problem?

I have on several occasions had hypoglycemic episodes that resulted in me fainting usually after a couple of stressful days at work and not being careful about what I eat. After these episodes occur, I experience persistent shortness of breath and discomfort in my chest for several days. Even just pacing around the room while talking on the phone causes me to get very out of breath. After a couple of days, things seem to return to normal as long as I don't do anything very strenuous during this period. I'm not a diabetic and have been told by the endocrinologist that I was referred to that it is mild reactive hypoglycemia which he said isn't really a problem at all-he said eat less sugar and smaller, more frequent meals and that will end the problem. He basically gave me the impression that he just didn't want to deal with me. What is going on when this happens and why does it take at least 2-4 days for these problems to go away?

It sounds like your doctor just doesn't have a very good bedside manner - but that doesn't always mean that he isn't good at what he does.

Try to avoid over-use of sugar, and once the acute episode has passed, try eating a healthy, long-acting carbohydrate to maintain blood sugars in the appropriate range. Half a sandwich is a good option.

Less sugar, and smaller more frequent meals, is really the best treatment.
If you're not happy with the endocrinologist, can your doctor refer you to someone else or treat you himself, now that you have a diagnosis?

I hope this helps..... and hang in there !!

looks like he told you right. see the following article from Wikipedia:
Reactive hypoglycemia
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Reactive hypoglycemia is a medical term describing recurrent episodes of symptomatic hypoglycemia occurring 2-4 hours after a high carbohydrate meal (or oral glucose load). It is thought to represent a consequence of excessive insulin release triggered by the carbohydrate meal but continuing past the digestion and disposal of the glucose derived from the meal.

The prevalence of this condition is difficult to ascertain and controversial, because a number of stricter or looser definitions have been used, and because many healthy, asymptomatic people can have glucose tolerance test patterns said to be characteristic of reactive hypoglycemia. It has been proposed that the term reactive hypoglycemia be reserved for the pattern of postprandial hypoglycemia which meets the Whipple criteria (symptoms correspond to measurably low glucose and are relieved by raising the glucose), and that the term idiopathic postprandial syndrome be used for similar patterns of symptoms where abnormally low glucose levels at the time of symptoms cannot be documented.


[edit] Common Symptoms
Although symptoms vary according to individuals' sensitivity to the elevation and decline of glucose levels, some of the more common symptoms are:

fatigue
headaches
palpitations
depression
nervousness
irritability
tremors
flushing
cravings for sweets
increased appetite
rhinitis
sweating
epileptic-type response to rapidly flashing bright lights

[edit] Causes and Treatment
To relieve reactive hypoglycemia, some health professionals recommend taking the following steps:

eat small meals and snacks about every 3 hours
exercise regularly
eat a variety of foods, including meat, poultry, fish, or nonmeat sources of protein; foods such as whole-grain bread; fruits; vegetables; and dairy products
choose high-fiber foods
take glucose tablets (available at local pharmacies) at the onset of a symptom
avoid or limit foods high in sugar, especially on an empty stomach
avoid alcohol, caffeine, highly starchy foods such as white rice, potatoes (except sweet potatoes), corn, and popcorn
Your doctor can refer you to a registered dietitian for personalized meal planning advice. Although some health professionals recommend a diet high in protein and low in carbohydrates, studies have not proven the effectiveness of this kind of diet for reactive hypoglycemia.