Overview
- A Dec. 31 medical note signed by Hospital Alemán medical director Dr. Norberto Mezzadri states Petersen continues hospitalized and clinically stable.
- The hospital says planned evaluations are underway and communication with his family will continue with strict medical confidentiality.
- Petersen was admitted to Hospital Alemán on Dec. 26 after treatment in Neuquén, where he required ICU care and was later extubated.
- An earlier Dec. 29 update reported hemodynamic stability in a coronary unit, indicating gradual improvement following a multiorgan complication.
- Family messages attribute the episode to extreme exertion during the Lanín ascent and credit a guide’s early diagnosis, while a local guides’ delegation issued a differing account of events on the mountain.