Modified Barium Swallow (MBS DSS VFSS)

This procedure is done in conjunction with Speech-Language to evaluate the swallowing mechanism of the throat. The swallowing mechanism can be damaged by stroke or other types of diseases.


  • There is no prep as a standalone study, unless this exam is being performed with another study, in which you would follow those guidelines.


  • The exam is performed while the patient drinks barium or chews different types of food with barium and at the same time fluoroscopy (moving x-ray) is utilized.
  • This exam takes approximately 30 to 45 minutes.
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If this is an emergency, call 911 or go to your nearest emergency department.

For your safety, please select a MyChart video visit on demand or call our MyCare Advice Line at 844-262-1949 before scheduling if:

  • You currently have a temperature greater than 100.4 degrees Fahrenheit
  • In the past 21 days, you have been diagnosed with COVID-19
  • In the past 14 days, you have had contact with anyone diagnosed with COVID-19
  • You are experiencing a new loss of taste and/or sense of smell
  • If you have experienced two or more of the following symptoms in the last 3 days:
    • fever
    • chills
    • drenching sweats
    • new cough
    • shortness of breath
    • body aches
    • headache
    • sore throat
    • runny nose or nasal congestion
    • nausea/vomiting/diarrhea

Henry Ford Health System is committed to ensuring our Deaf or hard-of-hearing patients and visitors have equal access to all services. We provide the appropriate auxiliary aids and services, including qualified sign language interpreters, TTYs and other assistive listening devices, at no cost. To request assistance, call 313-916-1896 or email

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