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What Causes Heart Palpitations While Having Hypoglycemia?

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Posted on Fri, 2 Dec 2016
Question: Hello, I have noticed recently, (past 4 or 5 weeks), that within 20 minutes after eating anything, my heart begins to bound, I become flushed and I can hear the blood rushing in my ears. Today this happened after eating a baked sweet potato with nothing on it thinking the salt in the butter may have been to blame yesterday. I am currently taking Morphine 30mg,extended release, one every 8 hours for fibromyalgia, degenerative disc disease with stenosis and some arthritis, Modafinil 200mg, one each morning, and Chlorzoxazone 500mg as needed for muscle spasms, (I only take 1/2 at bedtime), and Xanax 1 mg,2 or 3 times a day as needed (The Xanax does help calm down whatever this is going on.). My dosages have not changed in over a year. I have stopped taking Thyroid medication because it made the hot flashes/cold sweats unbearable. I have however just gotten it refilled since after blood work, I do need it. I had a hysterectomy at age 29. Definitely post menopausal. No replacement hormones for me, my brother and sister both battled 4 different types of cancer, (two types each), successfully. Still, I am wary of hormone therapy. I should add; this feels very different from any of the menopausal symptoms I have experienced in the several years since those symptoms began. This new problem seems directly related to eating. I had assumed the problem was salt. I should also note that my mother and brother developed adult onset diabetes. I have not been tested since I have not recognised any of the usual symptoms, and because I am not insured, cash pay. I apologise if I have added more than you need, just trying to be thorough.
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Answered by Dr. Scott Rebich (1 hour later)
Brief Answer:
Heart palpitations associated with hypoglycemia or adrenal

Detailed Answer:
Hi there,

You most likely have post-prandial syndrome which is a condition that is caused by either hypoglycemia (low blood sugar) after eating or increased adrenal from eating. It is usually not a dangerous thing, but it requires further work up.

The pounding in your chest is called palpations. It can be caused by hypoglycemia or increase in adrenal from eating like I stated before. Following the ingestion of food, a large amount of blood flow is directed to the digestive tract which causes the heart to work harder and faster to keep up with the demand. Caffeine and alcohol can typically worsen the symptoms. In addition, high sodium and nitrates can also worsen the palpations.

I would recommend:
- getting screened with blood work for routine metabolic, electrolytes, endocrine diseases, as well as an EKG
- keep a log of foods that make it worse
- eat less pre-packed and fast food
- drink less caffeine and alcohol
- eat less carbohydrates and sugars.
- increase your fiber with fruits, vegetables, whole grains
- increase your water intake
- eat smaller meals
- start a multivitamin
- start a probiotic
Note: For further follow up on related General & Family Physician Click here.

Above answer was peer-reviewed by : Dr. Raju A.T
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Answered by
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Dr. Scott Rebich

Internal Medicine Specialist

Practicing since :2015

Answered : 283 Questions

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What Causes Heart Palpitations While Having Hypoglycemia?

Brief Answer: Heart palpitations associated with hypoglycemia or adrenal Detailed Answer: Hi there, You most likely have post-prandial syndrome which is a condition that is caused by either hypoglycemia (low blood sugar) after eating or increased adrenal from eating. It is usually not a dangerous thing, but it requires further work up. The pounding in your chest is called palpations. It can be caused by hypoglycemia or increase in adrenal from eating like I stated before. Following the ingestion of food, a large amount of blood flow is directed to the digestive tract which causes the heart to work harder and faster to keep up with the demand. Caffeine and alcohol can typically worsen the symptoms. In addition, high sodium and nitrates can also worsen the palpations. I would recommend: - getting screened with blood work for routine metabolic, electrolytes, endocrine diseases, as well as an EKG - keep a log of foods that make it worse - eat less pre-packed and fast food - drink less caffeine and alcohol - eat less carbohydrates and sugars. - increase your fiber with fruits, vegetables, whole grains - increase your water intake - eat smaller meals - start a multivitamin - start a probiotic