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.
Just under an hour by plane from Ho Chi Minh City, Phu Quoc can also be reached by boat, ship or catamaran. Construction of an international airport on the island is planned. But while there are ample connections from mainland Vietnam, access from Cambodia is more complicated.