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www.reference.com/world-view/causes-high-psa-numbers-f1c8eb5480de8f57

Elevated PSA levels can be caused by prostate cancer, an enlarged prostate, inflammation of the prostate, a urinary tract infection, advanced age and ejaculation, explains Everyday Health. Inserting a catheter into the bladder, a prostate or bladder exam, and a digital rectal exam also elevate PSA l

www.reference.com/article/high-psa-level-76ac943729f7f1e6

The prostate-specific antigen, or PSA, test measures the level of the prostate-specific antigen present in a man's bloodstream; PSA is a protein made by the prostate gland. Elevated PSA blood levels may indicate prostate cancer, though other conditions also cause high PSA levels, according to the Na

www.reference.com/article/psa-level-high-b3bac5eb16736623

An elevated PSA level may indicate prostate cancer, enlarged prostate, or urinary tract or prostate infection, according to MedlinePlus. Patients who have recently had a urinary catheter inserted or who have had tests or procedures involving the bladder or prostate may also have an elevated PSA leve

www.reference.com/article/psa-test-b2629a83c4dd769b

A prostate-specific antigen, or PSA, test is intended to measures the level of PSA in the blood. Prostate-specific antigen is a protein that is produced in the prostate gland. This test is carried out by a doctor when trying to diagnose the presence of cancer.

www.reference.com/article/normal-psa-f1bbf67c4ec48026

According to the National Cancer Institute, a normal prostate-specific antigen result is generally considered to be below 4 nanograms per milliliter. Doctors often recommend a prostate biopsy for men with higher PSA levels to determine whether prostate cancer is present.

www.reference.com/article/high-psa-result-830daa6305e4a4f8

There is no normal or abnormal level of prostate-specific antigen, or PSA, in the blood, according to the National Cancer Institute. Historically, doctors consider levels of 4 nanograms per milliliter of blood to be normal.

www.reference.com/science/velocity-measured-8a70323ed3910a13

Velocity is a vector quantity measured in units of length per time. Using the United States customary unit of measurement, velocity is typically given in miles per hour, commonly abbreviated to "mph."

www.reference.com/article/difference-between-psa-total-psa-5fd6bfc77023780c

Free PSA, or prostate-specific antigen, is PSA circulating unbound and by itself within a man's body. Total PSA is the sum of unbound PSA and PSA bound to other substances circulating within a man's body, according to MedicineNet.com.

www.reference.com/article/increases-psa-levels-ef3c906633e3ef25

An increase in protein-specific antigen (PSA) levels may be associated with many medical conditions that can affectthe prostate gland, such ascancer, benign prostatic hyperplasia, prostatitis and an infection. Another factor that alsomay raise the PSA level is the aging process, relates MedicineNet.

www.reference.com/article/considered-high-psa-level-61dbb0560da057ef

Prostate-specific antigen (PSA) levels above 10 are considered high, according to WebMD. PSA levels are used to determine prostate cancer risk; readings greater than 10 may indicate up to a 67 percent chance of contracting prostate cancer or another prostate condition, cites WebMD.