The Altidoc application allows you to obtain remote advice in the event of a stay in a hostile environment. Consumer mode : - You can make an appointment for a teleconsultation with one of our doctors qualified in mountain medicine (IFFREMMONT, GRIMM) if you wish to best prepare an expedition. - The teleconsultation is done directly from the application. At the time of the appointment, the doctor will contact you via the mobile app. - You have the possibility to carry out a self-assessment of your acute mountain sickness score at any time during an ascent. You can retrieve your past evaluations at any time. Doctor mode : - Access your patient's medical file - Carry out a teleconsultation - Send a code to your patient to link a patient's user account to your patient record - Access your appointment calendar - Update your patient data