Clinical diagnosis of gas gangrene is supported by pain at the site of surgery or injury, gas pockets in the tissue (visualized with X-rays), and signs of systemic toxicity.1-16-1 Exploratory surgery is essential for diagnosis and a definitive diagnosis of gas gangrene involves a Gram's stain from tissue smears demonstrating the presence of gram-positive, rod-shaped bacteria. Although a-toxin ELISA and multiplex PCR assays are available, they are typically not used to diagnose gas gangrene because of the rapid progression of the disease and the obvious clinical signs presented by the patient.
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The use of dumbbells gives you a much more comprehensive strengthening effect because the workout engages your stabilizer muscles, in addition to the muscle you may be pin-pointing. Without all of the belts and artificial stabilizers of a machine, you also engage your core muscles, which are your body's natural stabilizers.