Velopharyngeal inadequacy

VPI flow chart compiled from the following sources: Johns, Rohrich & Awada, 2003 and Peterson-Falzone, Karnell, Hardin-Jones,& Trost-Cardamone, 2005

Velopharyngeal inadequacy (VPI) is a malfunction of a velopharyngeal mechanism.

The velopharyngeal mechanism is responsible for directing the transmission of sound energy and air pressure in both the oral cavity and the nasal cavity. When this mechanism is impaired in some way, the valve does not fully close, and a condition known as 'velopharyngeal inadequacy' can develop. VPI can either be congenital or acquired later in life.

单词	Velopharyngeal inadequacy
释义	Velopharyngeal inadequacy 英语百科 Velopharyngeal inadequacy Velopharyngeal inadequacy (VPI) is a malfunction of a velopharyngeal mechanism. The velopharyngeal mechanism is responsible for directing the transmission of sound energy and air pressure in both the oral cavity and the nasal cavity. When this mechanism is impaired in some way, the valve does not fully close, and a condition known as 'velopharyngeal inadequacy' can develop. VPI can either be congenital or acquired later in life.
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