Huntleigh Dopplex DR4 Software (DR4) Dopplex Reporter Package is a unique vascular reporting software package for use in conjunction with the Dopplex, Multi Dopplex II, Multi Dopplex Desktop MD200, RD2 and ABility units. It enables complete vascular studies to be undertaken and saved in a patient database, and provides full page documented hard-copy printouts. It is easily installed and does not require any modification to your computer. Applications available in version 4 include: Upper and lower limb arterial pressure and flow studies Lower limb venous studies Extracranial blood flow studies Penile pressure and flow studies Podiatry and chiropody studies Pre/post operative studies PPG venous studies (Rheo only) Doppler waveform parameter calculations Compatible with Windows XP, Vista 7 & 8 USB and serial cables included