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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Sudden Lightheadedness And Confusion?

I am a registered nurse working at an MCO. I was having trouble concentrating at work today. My thought process got foggy, like I forgot the details of what I do. Then I started feeling lightheaded. I put my head down and it passed. I felt like I was confused during this time. It lasted about 2-3minutes. No vision changes. This happen right after lunch. I am a healthy person, but I did have a carotid anuerysm that was filled about 4 years ago, I rcannot remember the product. I do not get headaches anymore. It concerns me that I got confused and could not think clearly. Thank you.
Thu, 12 Jul 2018
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General & Family Physician,  's  Response
Hello and Welcome to ‘Ask A Doctor’ service.
I have reviewed your query and here is my advice.

I suspect you may be having reactive hypoglycemia. Reactive hypoglycemia is the general term for having a hypo after eating, which is when blood glucose levels become dangerously low following a meal. Also known as postprandial hypoglycemia, drops in blood sugar are usually recurrent and occur within four hours after eating. It is a sign of prediabetes. You should check fasting glucose levels, postprandial glucose levels and hBa1c.

Hope I have answered your query. Let me know if I can assist you further.
Regards,
Dr. Olgeta Xhufka
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What Causes Sudden Lightheadedness And Confusion?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. I suspect you may be having reactive hypoglycemia. Reactive hypoglycemia is the general term for having a hypo after eating, which is when blood glucose levels become dangerously low following a meal. Also known as postprandial hypoglycemia, drops in blood sugar are usually recurrent and occur within four hours after eating. It is a sign of prediabetes. You should check fasting glucose levels, postprandial glucose levels and hBa1c. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Olgeta Xhufka