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.
3. Re: December in Phu Quoc - weather, mossies etc. Nov 11, 2014, 10:26 AM. We are also travelling in mid December, we have two kids (6 and 9) and they would love to do some snorkeling in the beaches.