Customer Service. 1  NxStage is dedicated to providing our customers and patients with outstanding customer service. Our Customer Service team has extensive customer care experience and are ready, willing, and able to assist with: 2  Our Technical Support team has extensive technical training and years of experience.
Dizziness is a sensation of lightheadedness, faintness, or unsteadiness. Unlike dizziness, vertigo has a rotational, spinning component, and is the perception of movement, either of the self or surrounding objects. Disequilibrium simply means unsteadiness, imbalance, or loss of equilibrium that is often accompanied by spatial disorientation.
1 Vertigo is a sensation of spinning - a specific kind of dizziness.1,2.  The dizziness that defines vertigo has one of two causes - disturbance in either the balance organs of the inner ear, or parts of the brain or sensory nerve pathways.