instrumentation Flashcards
what does a videoendoscopy do?
examines the anatomy of the oral cavity and pharynx from above
Examine the pharynx and larynx before and after swallowing
what does a videofluoroscopy do?
provide information on bolus transit times, motility problems, and estimate amount and etiology of
aspiration
videofluoroscopy also helps us examine..
compensatory strategies and posture
technique
therapy options
electromyography can provide..
timing and relative amplitude of
muscle contraction in swallowing
electromyography can also..
be used as biofeedback technique during therapy for Mendelsohn maneuver and effortful swallow
what is a pharyngeal manometry?
Pressure sensors for the pharyngeal swallow placed transnasally
Three sensors at the tongue base, upper esophageal sphincter, and cervical esophagus
pharyngeal manometry measures..
intrabolus pressure and pharyngeal
contractile wave
pharyngeal manometry can also indirectly measure the relaxation of xx
cricopharyngeal muscle
how do you conduct a videofluoroscopic study?
- explain the sequence of material presented
- show the patient the small amount of material on the spoon
- tell the patient to feel free to cough or spit out the material if have difficulty
- tell them to try his/her best
what does FEES stand for?
Flexible endoscopic evaluation of swallowing (with sensory testing)
with the FEES we get a transnasal view of the xx and xx
pharynx and larynx
how can we test the laryngopharyngeal sensory discrimination threshold?
an air pulse is delivered to arytenoid
mucosa
what are some advantages of the FEES?
readily available
can be taken anywhere
no scheduling is needed
no radiation exposure
can take as long as needed
what are some disadvantages of the FEES?
incomplete examination of pharyngeal swallowing phase
only visualize before and after swallow
cannot assess oral or esophageal phases of swallow
what does VFSS stand for?
Videofluoroscopic Swallowing
Study
what is VFSS?
A radiographic technique that permits dynamic imaging as movement is observed in real time and recorded
mixing a small amount of food with barium
we get a xx and xx view with a VFSS
lateral and posterior-anterior view
what are advantages of a VFSS?
tests overall swallowing ability (oral, pharyngeal, upper esophageal)
residue in the pyriform sinuses and pharyngeal recess can be seen
motility and coordination during the pharyngeal phase can be seen
oral and pharyngeal transit times can be calculated
available at most institutions
what are some disadvantages of a VFSS?
using radiation so studies must be short
equipment for positioning can be cumbersome
patient must be taken to radiology suite
requires trained personnel
requires mixing food with barium so it may alter the texture or taste of food/liquid
