Causes of hypoventilation (discussed under Ventilatory Failure) include. 1  Conditions that impair CNS respiratory drive. 2  Conditions that impair neuromuscular transmission and other conditions that cause muscular weakness. 3  Obstructive, restrictive, and parenchymal pulmonary disorders.
Geographically, Phu Quoc island is located in the Gulf of Thailand, covering a total area of approximately 580 kmÂ², close to the main asian cites of Singapore, Bangkok, Hong Kong and Kuala Lumpur.
Phu Quoc was served by Phu Quoc Airport with air links to Ho Chi Minh City (Saigon)'s Tan Son Nhat Airport and Rach Gia 's Rach Gia Airport. Phu Quoc Airport was closed and replaced by the new Phu Quoc International Airport from December 2, 2012.