Transcranial Doppler is used to identify and interrogate the intracerebral arterial system. Normally the skull is impenetrable to Ultrasound waves, but using certain windows allows adequate penetration to monitor cerebrovascular hemodynamics.
Upper extremity venous Doppler is performed two rule out thrombosis. A clot seen within the Internal Jugular, Subclavian, Axillary or Brachial veins would be considered a Deep Vein Thrombosis (dvt), a condition that can lead to Pulmonary Embolism is a piece of the clot is dislodged (emoboli) and travels to the pulmonary vasculature. DVT's are … Continue reading Upper Extremity Venous Doppler