What is Anorectal Manometry?

Anorectal manometry (ARM) with paradoxical EMG is performed to evaluate patients with constipation and/or fecal incontinence and is a basic study of anorectal function.  The anal and rectal area contain specialized muscles that are helpful in regulating the proper passage of bowel movements.  Anorectal manometry with paradoxical EMG will provide useful information regarding the pathophysiology of these disorders.  Anorectal manometry with paradoxical EMG studies anorectal pressures and muscle tone at rest, during sphincter muscle contraction, and during emulation of a bowel movement (push).  The test also provides important information about the coordination between the rectum and anal sphincter muscles.



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