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.
High Season. Phu Quocâs weather is at its best between November to March. These months also coincide with Christmas, New Years, Spring Break, and Tet holiday, so expect a crowd. The average temperature is 30 degree Celsius (84 F) with the skies being clear and blue and the water being very calm and with higher visibility.