Hypothermia means you are becoming cold enough to die. Being wet and in the wind contributes to Hypothermia. Make sure you have adequate clothing to combat Hypothermia. Hypothermia can quickly result in death. HAPE and HACE can be fatal if not treated quickly.
Treatment is quick decent to a lower altitude.
Medical care, as you understand it is not available outside the United States. You will be several hours travel by water, porter or other non-vehicular transportation from any medical facility. The medical facility you may be treated in will not have the same standards as hospitals or doctor's offices in the United States. The medical personnel you will be treated by may not have the same training as medical personnel in the U.S. Decisions are made by the instructors and participants in a wildness setting, based on a variety of perceptions and evaluations which by their nature are imprecise and subject to errors in judgment. Participants may have free and unsupervised time.