An apparatus, system and method for obtaining hemodynamic characteristics of an individual is disclosed. The apparatus comprises a first sensor arranged to sense a first hemodynamic data from a first radial artery; a second sensor arranged to sense a second hemodynamic data from a second radial artery; and an occlusion device arranged to be positioned around a third major blood vessel where the second major blood vessel branch from, the occlusion device operable to occlude the third major blood vessel for a predetermined period. The apparatus, system and method are suitable for deriving a risk indicator of one or more types of cardiovascular diseases.