The nocturnal penile tumescence (NPT) stamp test is a test that confirms the inability to achieve and maintain an erection.
Review Date:6/1/2005
Reviewed By: David R. Knowles, M.D., Scottsdale Urologic Surgeons, Scottsdale, AZ. Review provided by VeriMed Healthcare Network.
Reviewed By: David R. Knowles, M.D., Scottsdale Urologic Surgeons, Scottsdale, AZ. Review provided by VeriMed Healthcare Network.
Learn more about what ails you. Here are some common symptoms.
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