Meaning of PSA velocity: A measurement of how fast PSA levels in the blood increase over time.
Definition of PSA velocity
A measurement of how fast PSA levels in the blood increase over time. A high PSA velocity may be a sign of prostate cancer and may help find fast-growing prostate cancers.
Written and maintained by James Murray· Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.
For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.