CPT CPT descriptor APC 93880 Duplex extracranial arteries, complete bilateral 0267 93882 Duplex extracranial arteries, unilateral or limited 0267 93886 Transcranial Doppler intracranial arteries; complete 0267 93888 Transcranial Doppler intracranial…
Fig. 10.1 Three-dimensional CT angiogram shows locations of the acoustic windows for transcranial Doppler examination except transforaminal approach. The transtemporal window for insonation may be found above the zygomatic arch…
Fig. 52.1 Right legwith sensors in place. Paper tape, placed over the sensor cup, can assist in keeping electrode stable and in constant contact with skin Tissue ischemia or inadequate…
Hard signs Soft signs Observed pulsatile bleeding Significant hemorrhage by history Arterial thrill by manual palpation Neurological abnormality Bruit auscultated over or near area of arterial injury Diminished pulse compared…
Fig. 13.1 Incidence of in-stent restenosis after carotid artery stenting (CAS). (a) Kaplan-Meier cumulative event rates for clinically significant ISR ≥ 80% after CAS. (b) Kaplan-Meier cumulative event rates for…
Fig. 26.1 (a) Duplex ultrasound demonstrating moderate stenosis with an elevated peak systolic velocity of 200 cm/s in midportion of SFA stent. (b) Duplex ultrasound demonstrating high-grade stenosis with an…
Fig. 22.1 Picture of a prototype internally calibrated pulse volume recorder (PVR). This system is controlled by a computer. The operator interfaces with the unit via a touch screen. The…
Monophasic signal throughout the graft Uniform peak systolic velocities <45 cm/s Any focal peak systolic velocity >300 cm/s Peak systolic velocity ratio between two adjacent segments >3.5 Indications for Interventions…
Fig. 9.1 (a) Rotated contrast-enhanced 3D MR angiogram of cervical arteries. The arrowheads indicate the right VA. (b) Longitudinal plane of the VA (V0 through V3 segments) with superimposed color…
Fig. 17.1 IMT measurement methodology. CCA, ICA, ECA common, internal, and external carotid artery Criteria to Evaluate a New Risk Marker The AHA published the principles to specifically address criteria…
