Patrycja Jonetzko

Patrycja Jonetzko, a cardiothoracic anesthetist and high-altitude medicine specialist with decades in the Himalaya, joins to unpack oxygen’s journey from air to muscle. She explains why partial pressure matters, how diffusion and breathing technique shape altitude performance, and the roles of hydration, hematocrit, and pre-acclimatization strategies. Practical physiology meets expedition hard-won wisdom in concise, science-forward advice.