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 weather in December. Do you want to catch glimpse of the exotic beauty of Phu quoc? Then December month would be your right choice because it is the time, when the temperature shows green signal. That is the temperature range from 22 to 29 degree Celsius. In fact, if you see the humidity too remains moderate. At the same time, the scorching heat of the sun would not irritate you. If you plan to be on a trip to Phu quoc no need to carry any umbrella with you and no rain coat.