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Non-Invasive Vascular Tests


TRANSCRANIAL DOPPLER STUDIES

Examination of the intra cranial cerebral arterial circulation using ultrasound techniques. This test provides valuable information regarding distal carotid artery pathology not visualized with standard screening techniques.


CAROTID DUPLEX SCAN

Interrogation of the extra cranial carotid, vertebral and subclavian vessels. Examination of patients with Stroke, TIA, asymptomatic bruits, subclavian steal and post-endarterectomy follow-up.


TEMPORAL ARTERY DUPLEX SCAN

Imaging of the Temporal Arteries may be used to noninvasively determine the presence or absence of Temporal Arteritis.


RENAL DUPLEX SCAN

Examination of the aorta, renal arteries, renal cortex and parenchyma. Screening for sources of vasculogenic hypertension, assessment of renal graft patency, transplant and angioplasty follow-up.


LOWER EXTREMITY DUPLEX SCAN

Examination of the aorta, iliac, femoral, popliteal and tibial vessels. Screening for vasculogenic claudication, pseudoclaudication, aneurysm, location of lesions for angioplasty and bypass graft assessment. This exam is frequently accompanied by a treadmill stress test.


MESENTERIC DUPLEX SCAN

Examination of the aorta, celiac, hepatic, gastric, splenic and superior mesenteric arteries before and after eating. Screening for mesenteric occlusive disease.


THORACIC OUTLET

Examination of subclavian, axillary, and brachial arteries to assess arterial compression and/or fixed lesions.


EXTREMITY ARTERIAL BLOOD FLOW

Examination of the major arteries of the upper and lower extremities as well as the digital arteries with bidirectional Doppler, laser Doppler and plethysmography to evaluate location and severity of arterial occlusive disease and wound-healing potential.


IMPOTENCE

Examination of penile, pudendal and iliofemoral arteries by Doppler and duplex to rule out vasculogenic impotence.


COLD SENSITIVITY

Examination of brachiaI, radial, ulnar and digital arteries by plethysmography: pre- and post-cold challenge. Screening for Raynaud’s disease/Raynaud’s phenomena.


VENOUS DUPLEX SCAN

Examination of the major deep and superficial veins of the abdomen and the lower and upper extremities. Screening to evaluate for deep vein thrombosis (DVT), superficial thrombophlebitis, thrombus progression, recanalization, valvular function and venous insufficiency.


VEIN MAPPING BY DUPLEX

Superficial veins of the lower and upper extremities are imaged for patency and size to ensure suitability for in situ or reverse autogenous grafts.


PORTAL VEIN DUPLEX SCAN

Examination of the portal, superior mesenteric and splenic veins. Screening for vessel thrombosis, flow direction and pre- and post-shunt baseline studies.

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