Dysautonomia

Dysautonomia is any disease or malfunction of the autonomic nervous system. This includes postural orthostatic tachycardia syndrome (POTS), neurocardiogenic syncope, mitral valve prolapse dysautonomia, pure autonomic failure, multiple system atrophy (Shy-Drager syndrome), and a number of lesser-known disorders. In some cases, dysautonomia results in a reduction in the ability of the heart and circulatory system to compensate for changes in posture, causing dizziness or syncope (fainting) whe ...