Inclusion Criteria:  Age of 18 years or older Inpatient Treatment Present diagnosis of at least one of the three cardiovascular disease entities of interest according to the current guidelines of the European Society of Cardiology (ESC): HF, CAD, AF  Exclusion Criteria:  Inability to provide informed consent Initial presentation (index hospitalization) in cardiogenic shock or other kinds of shock Patient after heart transplantation or patient with present ventricular assist device (VAD)