Ask Dr. Santa Maria: Why Do P.O.T.S Patients Pass Out?

Ask Dr. Santa Maria: Why Do P.O.T.S Patients Pass Out?

These “black-outs” where you constantly feel like you are going to pass out—but may not completely lose consciousness may be related to a lack of volume or lack of blood flow to the brain. Medically, we use the terms “dehydration” and “hypovolemia.” These terms are not interchangeable (although you will see that quite frequently” and each has a specific meaning.

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