blood flow studies…

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what the risks are duplex/doppler ultrasound test, duplex/doppler ultrasound, blood flow studies measure blood flow, pressure, different methods, performing blood flow studies, a duplex study uses doppler ultrasound to measure blood flow, arteries, veins, clothing is removed, area tested, a probe, a conductive gel, vasoline, on the tip, on various points, along the blood vessel in question, information is relayed, ultrasound monitor to be viewed, recorded, plethysmography measures changes in blood volume, blood vessel, blood pressure is first taken in both arms, clothing is removed, arm, leg tested, lie on back, a blood pressure cuff is applied, limb tested, inflated, beat, the pulse is no longer heard, pressure is released, cuff, blood pressure is then recorded, information is put into a computer to interpret the information, blood pressure cuff moved to other positions on the same, extremities, readings, re-tested in another position sitting, standing, clothing over the extremity, removed, tell the health care provider, medications use, blood flow, during the plethysmography, blood pressure cuff, constrict the arm, leg, no pain, gel used, the duplex ultrasound, feel cold, on skin, these, noninvasive, external, tell doctor, in the arteries, veins, if enough blood is reaching an arm, leg, look at injuries to blood vessels, or check patients, arterial reconstruction, grafts, also find blood clots , duplex ultrasound, calculate an abi, ankle-brachial index, number is obtained by dividing the pressure in the ankle by the pressure, in the arm, a value of 0.9, greater is normal, also check the flow of blood, in the vessels, the ultrasound, an abi of less than 0.5 is linked to peripheral vascular, arterial, disease, abnormal blood flow patterns, deep venous thrombosis, thrombophlebitis, inflammation of a vein, due to a blood clot, superficial thrombophlebitis, communicating vein thrombophlebitis, additional conditions, raynaud's phenomenon, stroke secondary to carotid dissection, carotid artery narrowing, no special risks associated, duplex/doppler probe lets the technician          View the vessels, well as measure the blood flow, them.