Ask the doctor: Why is my blood pressure higher in one arm than the other?

I was admitted to the hospital with chest pain. The doctors found my blood pressure was much lower in my right arm than in my left. They rushed me for a CT scan, looking for a “tear.” Fortunately there wasn’t one. What was it they were worried about?

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Ask the doctor: What’s the difference between blood sugar and hemoglobin A1c?

In your article on blood sugar control, you kept talking about hemoglobin A1c. I measure my blood sugar all the time, but my meter doesn’t have a setting for a percentage reading. Is there a simple connection between blood sugar and hemoglobin A1c?

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