A visualization system may include a radiographic imaging apparatus for obtaining radioscopic images of a bodily organ with one or more radio discernible sensors introduced into the organ in order to sense physiological parameter(s) related to the physiological activity of the imaged organ. The sensors may be pressure sensors, temperature sensors, etc. The visualization system may also include a computing device for identifying the organ and the relative locations of the sensors in each radioscopic image, and it may generate a displayable representation symbol that may represent the sensors and the sensors' output values. Display attributes that depend on the sensors' locations and output values may define the location of the representation symbol. Acquiring a radioscopic image of the bodily organ and reading the sensors' outputs may be performed simultaneously in order to facilitate spatiotemporal synchronization between display of the image of the organ and display of the representation symbol.