Magnetic Resonance Venography

The quality of magnetic resonance venography (MRV) has steadily improved since its introduction in the early 1990s. It is now a powerful technology that often is used as a problem solver. Various techniques are used, including spin echo and gradient recalled echo. Intravenous gadolinium can be used to enhance images and can aid in determination of the age of the thrombus. Absence of imaging of a vein or an intraluminal filling defect indicate the presence of DVT. Examiners must be cognizant, however, of known

TABLE 40.2 Duplex Criteria for Differentiating Acute versus Chronic Thrombus (Modified from Karkow, Ruoff, and Cranley. B-Mode Imaging, in Practical noninvasive vascular diagnosis. 1982.)

Characteristic Acute Chronic

Degree of Occlusion

Total

++

Partial

++

Free Floating

Free

++++

Stationary

+

Clot Compressibility

Soft

++++

Firm

+

Surface Character

Smooth

++

Irregular

++

Echogenicity

Faint or

++

Bright

++

How To Deal With Rosacea and Eczema

How To Deal With Rosacea and Eczema

Rosacea and Eczema are two skin conditions that are fairly commonly found throughout the world. Each of them is characterized by different features, and can be both discomfiting as well as result in undesirable appearance features. In a nutshell, theyre problems that many would want to deal with.

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