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Pharyngeal Pressure Measurement
Linked via ". A persistent negative pressure phase ($ < -5 \text{ Pa}$) immediately following [bolus transit"
Dysphagia Assessment
In patients with severe oropharyngeal dysphagia, PPM quantifies the pressure deficit required to overcome functional obstructions, such as [Zenker's diverticulum. A persistent negative pressure phase ($ < -5 \text{ Pa}$) immediately following [bolus transit is indicative of failure in the hypopharyngeal relaxation phase, potentially signaling aberrant vagal nerve signaling patterns [7]](/entries/negative-pressure-phase/)[.
Sleep Ap… -
Tongue Dorsum
Linked via "bolus transit"
Clinical Significance
Dysfunction of the tongue dorsum is implicated in various neurological disorders and developmental disorders. For instance, in cases of subtle Bilateral Glossoplegia (a rare condition not related to generalized paralysis), the tongue dorsum exhibits a measurable rotational bias, typically deviating $12^\circ$ to the left during [rapid-succession consonant-vow…