1. Neurogenic bladder: Lower urinary tract dysfunction that has occurred likely as a result of a neurological injury or disease, which may be in the central, autonomic or peripheral nervous systems.

2. Adult neurogenic lower urinary tract dysfunction (ANLUTD): Abnormal or difficult function of the bladder, urethra (and/ or prostate in men) in mature individuals in the context of clinically confirmed relevant neurologic disorder.

3. Autonomic dysreflexia (AD):  A sudden and exaggerated autonomic response to various noxious stimuli in patients with SCI or spinal dysfunction at or above level of T6.

Assisted bladder emptying: These are techniques used by tetraplegic patients who cannot perform clean intermittent catheterization. These include Credé manoeuvre, Valsalva manoeuvre and triggered reflex voiding.