RIU 436 Lecture Notes - Lecture 38: Sternocleidomastoid Muscle, Vertebral Artery, Mastoid Part Of The Temporal Bone
11 Aug 2020
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Criteria used to identify each arterial segment- memorize. Tci examination technique: temporal approach, use maximum power to find window; power can ii. iii. then be adjusted as needed. Interrogate right and left hemispheres from right to left side, respectively. Position transducer is cross-section with orientation marker toward nose iv: tilt or slide cephalad and identify, contralateral skull, falx cerebri, midbrain (cerebral peduncles) If all b-mode reflections are homogenous, there is no ultrasonic bone window. 1: terminal ica, color should appear around process in an s shape, color will appear both blue and red, spectral doppler waveform should be obtained from this location. 4: middle cerebral artery, from tica, angle cephalad, mca should be shown in red, flowing toward the transducer, mca should be sampled throughout its length in 5 mm increments. Place imaging transducer over closed eye ii: do not apply pressure, transorbital approach shouldn"t be performed sooner than 6 weeks postoperative for recent eye surgery.
