Dysautonomia is a broad term for conditions that range from fainting to more serious life threatening conditions. Some are quite common, and some are extremely rare. Dysautonomia is a nervous system ...

Vasovagal syncope is the most common type of fainting, a temporary loss of consciousness. It's a condition that happens when your blood pressure and heart rate suddenly drop, delivering less oxygen to ...

Establishing the cause or causes of syncope serves two principal purposes. First, an etiologic diagnosis permits assessment of prognosis and risk of recurrence, both issues of great concern for ...

Dysautonomia is not a specific diagnosis. It is an umbrella term for any condition affecting the autonomic nervous system (ANS). Due to the number of different types, dysautonomia can cause various ...