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Vascular Cases Carotid Deep Vein Thrombosis Superficial Vein Assessment	Cardiac Cases Cardiomyopathy Mitral Regurgitation Aortic Incompetence
Vascular Cases Carotid Stenosis This image uses new 'Colour Power  Angio' to provide very accurate delineation of a flow defect arising from a severe stenosis in the carotid bulb. Interrogation with spectral (pulsed) Doppler allows accurate determination of the percentage of diameter reduction.   Internal Carotid Stenosis Colour Doppler Ultrasound allows rapid detection of increased flow velocities and turbulence associated with stenotic plaque. Using the colour image as a guide, accurate placement of a Doppler sample provides precise flow velocity measurement and grading of the severity of stenosis.   Deep Vein Thrombosis Early detection of deep venous thrombosis may be achieved painlessly and non-invasively with Colour Duplex Ultrasound. Patients can be spared the discomfort of venography and the serious consequences of DVT  sequelae such as pulmonary embolism and chronic venous insufficiency. Advantages of ultrasound assessment  include the ability to detect anatomic variants such as bifid systems which may result in false negative venograms. Superficial and Varicose Vein Assessment Thrombophlebitis and other venous disorders may also be diagnosed and evaluated. Sensitive Doppler evaluation can be used to detect and evaluate sources of venous reflux such as sapheno-femoral  and sapheno-popliteal incompetence. Cardiac Cardiomyopathy Cardiac form and function may be accurately determined using ultrasound, allowing diagnosis and assessment of global and regional wall motion anomalies, cardiomyopathies and hypertrophic states. Aortic Incompetence Colour Doppler Ultrasound provides a sensitive method for investigating the source of cardiac murmurs. Sites of valvular regurgitation and stenosis may be localised using colour Doppler and accurately graded with spectral Doppler.  Other flow defects in the heart such as IHSS (Idiopathic Hypertrophic Subaortic Stenosis) and septal defects may be accurately evaluated also.   Mitral Regurgitation Mitral regurgitation may result from valve disease such as vegetations or prolapse as well as from sources such as dilated cardiomyopathies. The severe mitral regurgitation shown in this example was identified in minutes using Colour Duplex Ultrasound.

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