The HI-Dop pocket vascular doppler is an effective non-directional hand held doppler for non-invasive vascular assessment. The HI-Dop Vascular Doppler is intended primarily for assessing vascular disease. Standard probes are 4, 5, 8 MHz. Applications for this Pocket Vascular Doppler include Ankle Brachial Pressure Index, Venous Flow Screening, Leg Ulcer Management, Segmental Pressure Studies, Blood Flow Wave Form Recording and Arterial Flow Screening.