This application was developed by the Association Maladie de Rendu-Osler, AMRO-HHT-France. It aims to facilitate the monitoring of nasal hemorrhages (epistaxis), the main symptom of this disease. You can support the association by joining it or by making a donation, in order to contribute to advances in medical research, and to the dissemination of information to those affected by this rare genetic pathology. The development of this application was financially supported by the FAVA-Multi Rare Disease health sector. Information: [email protected]