There is growing evidence that central blood pressure is a better predictor of hypertensive end-organ damage and cardiovascular outcome than routine brachial readings.

The investigators aimed to evaluate the accuracy of a novel device for the non-invasive determination of central blood pressure based on automated oscillometric radial pulse wave analysis.

Inclusion Criteria:

• cardiovascular disease, diabetes mellitus or healthy control

Exclusion Criteria:

• inability to give informed consent
• hemodynamic instability

in-patients and healthy controls (students, hospital staff)