A device is provided for the output of medical data with an output device (1) for the output of medical data in a first output mode or in a second output mode different therefrom. The device includes a detection device (3, 4) for detecting an ambient parameter and an automatic switchover device for the output of medical data in the first output mode if the ambient parameter detected by the detection device is in a first range of values, and for the output of medical data in a second output mode if the ambient parameter detected by the detection device is in a second range of values different from the first range of values.