Browsing by Author "Garner, C."

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    Transcranial Doppler studies of middle cerebral artery blood flow following different test conditions.
    (Neurology India, 1999) Naveen, K.V.; Nagendra H.R.; Telles, Shirley; Garner, C.
    Transcranial Doppler ultrasound (TCD) is a noninvasive method of studying cerebral haemodynamics, allowing the measurement of blood velocity in the major intracranial vessels using ultrasound signals transmitted through bone.[1] Cerebral circulation is controlled mainly by auto regulation and fluctuations in blood CO2 and O2, with scarcely any changes when arterial pressure is constant between 50 and 140mmHg.[2] We recorded the blood velocity in both right and left middle cerebral arteries (MCA) in a 26 year old male volunteer with TCD (DWL Ultrasonic Doppler System, Sipplingen, Germany).