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.
In the far south, the beaches of Phu Quoc enjoy a monsoon climate with two seasons; wet (late-July to late October) and dry (November to July). Visits to Phu Quoc can be made year-round although the best time is during the dry season (outside of October the chances of sunny days remain high).