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  2. Ultrasonography of chronic venous insufficiency of the legs

    en.wikipedia.org/wiki/Ultrasonography_of_chronic...

    The reflected ultrasound is received by the probe, transformed into an electric impulse as voltage, and sent to the engine for signal processing and conversion to an image on the screen. The depth reached by the ultrasound beam is dependent on the frequency of the probe used. The higher the frequency, the lesser the depth reached. [9]

  3. Ultrasonography of deep vein thrombosis - Wikipedia

    en.wikipedia.org/wiki/Ultrasonography_of_deep...

    Coronal plane, seen from medial side of lower leg, showing thrombosis of the fibular veins, with hyperechoic content and only marginal blood flow. Ultrasonography in suspected deep vein thrombosis focuses primarily on the femoral vein and the popliteal vein , because thrombi in these veins are associated with the greatest risk of harmful ...

  4. Intravascular ultrasound - Wikipedia

    en.wikipedia.org/wiki/Intravascular_ultrasound

    Intravascular ultrasound image of a coronary artery (left), with color-coding on the right, delineating the lumen (yellow), external elastic membrane (blue) and the atherosclerotic plaque burden (green). The percentage stenosis is defined as the area of the lumen (yellow) divided by the area of the external elastic membrane (blue) times 100.

  5. Acute limb ischaemia - Wikipedia

    en.wikipedia.org/wiki/Acute_limb_ischaemia

    An occlusion of the artery would be seen by decreased or absent flow distal to the occlusion. Doppler ultrasound can even distinguish between embolic and thrombotic plaque. The former would show a delineated, round thrombus, whereas the latter would show narrowed arterial lumen with atherosclerotic plaque. [2]

  6. Peripheral artery disease - Wikipedia

    en.wikipedia.org/wiki/Peripheral_artery_disease

    The illustration shows how PAD can affect arteries in the legs. Figure A shows a normal artery with normal blood flow. The inset image shows a cross-section of the normal artery. Figure B shows an artery with plaque buildup that is partially blocking blood flow. The inset image shows a cross-section of the narrowed artery.

  7. These Pictures Will Help You Identify the Most Common ... - AOL

    www.aol.com/pictures-help-identify-most-common...

    The rash often appears on the face near the hairline, then spreads down to the feet. Other symptoms to note : The rash is accompanied by flu-like symptoms, including high fever, cough, and runny nose.

  8. Deep vein thrombosis - Wikipedia

    en.wikipedia.org/wiki/Deep_vein_thrombosis

    Three compression ultrasound scanning techniques can be used, with two of the three methods requiring a second ultrasound some days later to rule out the diagnosis. [118] Whole-leg ultrasound is the option that does not require a repeat ultrasound, [ 118 ] but proximal compression ultrasound is frequently used because distal DVT is only rarely ...

  9. Stasis dermatitis - Wikipedia

    en.wikipedia.org/wiki/Stasis_dermatitis

    Stasis dermatitis is diagnosed clinically by assessing the appearance of red plaques on the lower legs and the inner side of the ankle. Stasis dermatitis can resemble a number of other conditions, such as cellulitis and contact dermatitis, and at times needs the use of a duplex ultrasound to confirm the diagnosis or if clinical diagnosis alone is not sufficient.

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