Acute mountain sickness in tourists with children at Lake Chungará (4400 m) in northern Chile.

Objective: To evaluate the presence of acute mountain sickness (AMS) and cardiorespiratory responses in adult and pediatric tourists exposed to high altitude (Putre and Chungará).

Methods: The study was performed during a tourist expedition to Lake Chungará (4400 m) with an overnight stay in the town of Putre (3500 m). The study group included 15 adults (21-44 years), 10 teenagers (13-18 years), and 6 children (6-48 months).