Differential Diagnosis

The characteristic pulmonary and gastrointestinal presentations of CF in its classic form usually allow for accurate diagnosis even in the absence of DNA testing. However, there are atypical and less severe presentations that may mimic other causes of failure to thrive in early childhood, various malabsorption syndromes, and immune deficiencies. Diagnosis can be confirmed by the observation of elevated levels of chloride or sodium in sweat (>60 mEq/L), although sample collection may be difficult in very young infants. Molecular testing is useful to further confirm the biologic basis of the disease, to accurately diagnose individuals with borderline sweat chloride levels, and to provide the family with a precise mutation genotype that can then be used for prenatal diagnosis in future pregnancies.

Getting Started With Dumbbells

Getting Started With Dumbbells

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.

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