Professional
Technical
In the Industry Vocabulary Test
SNAP
Also written as: SNAP — Sensory Nerve Action Potential
Sensory nerve action potential measured in nerve conduction studies to assess sensory nerve function.
Full Definition
Sensory nerve action potential (SNAP) is the electrical response recorded from a sensory nerve when stimulated during nerve conduction studies. SNAP amplitude reflects the number of functioning axons, while conduction velocity indicates myelination integrity. Absent or reduced SNAPs help distinguish sensory neuropathies from pure motor disorders.
Usage
Usage note: Always capitalize when used as abbreviation.
In Context
- "Absent sural SNAP confirmed sensory axon loss in the lower extremities." — Nerve conduction study
- "Normal SNAP amplitudes argue against significant sensory neuropathy." — Electrophysiology interpretation
Also known as
sensory nerve action potential
Don't confuse with
CMAP
MUAP