Anorectal Manometry

Anorectal manometry (or ARM) is a diagnostic test, not a treatment or intervention. This test utilizes a catheter and a balloon to study the nerves and muscles of the anus and rectum. It tests pressures and sensations in the anus and rectum. The catheter is small, like a rectal thermometer. It is attached to a computer that records the pressures. The result looks like a graph.

anorectal manometry picture 1 1

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