Fig. 35.1 Method for measuring the penile Doppler pressures using a Doppler flow probe on the dorsal penile artery Patients over the age of 40 years without symptoms of impotence…
Fig. 8.1 Aortic arch and its branches. IA innominate artery, RScA right subclavian artery, VA vertebral artery, RCCA right common carotid artery, LCCA left common carotid artery, LScA left subclavian…
Indications Number Upper extremity venous duplex to rule out thrombosis 191 Upper extremity dialysis evaluations 142 Upper extremity radial artery bypass harvest 16 Upper extremity graft surveillance 35 Evaluation for…
Fig. 43.1 The bright echoes close to a multi-array catheter may be “ringed down” (top). The guidewire of a monorail type of catheter may create a wedge-formed acoustic shadow. By…
where U sis the systemic [BUN], U ais arterial line [BUN], and U vis the venous line [BUN]. Existing methods (three-needle, peripheral vein techniques) of measurement of systemic [BUN] are…
Fig. 57.1 Percutaneous insertion of needle into the jugular vein Fig. 57.2 Echogenic tip of needle in the lumen of the jugular vein, transverse view For tunneled catheters, our group…
Fig. 19.1 Management protocol for patients with asymptomatic carotid bruit or nonhemispheric symptoms. MRA magnetic resonance angiography, CEA carotid endarterectomy, st. stenosis If stenosis of ≥60–99% was detected and the…
Fig. 18.1 Variability of measurements of PSV by three ICAVL-accredited technologists from an in vitro flow model In a clinical study, the interobserver variability of measurements of PSV from the…
Investigator No. of CEAs % Revised No. of ICA occlusions Restenosis at 2–3 year Baker et al. [3] 316 3 3 (1%) 3% Papanicolaou et al. [4] 86 11 2…
Fig. 14.1 (a) This is a picture of the Spencer technologies headgear that is utilized for securing the transcranial Doppler probe for peri-procedural imaging. The torque device in the front…
