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This study on patients with a diagnosis of mild-to-moderate Alzheimer's disease demonstrated a positive correlation of brain β-amyloid load using 11C-PIB positron emission tomography with the rate of brain atrophy using serial volumetric MRI.
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When biopsy of a brain tumor is not possible due to high surgical risk, perfusion MRI can help distinguish tumor types with high sensitivity and specificity.
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Persistent elevation of serum CK without symptoms should be aggressively investigated, including a muscle biopsy, since half will have HyperCKemia, and half will have a specific pathology.
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Warfarin remains superior to antiplatelet agents for stroke prevention in patients with atrial fibrillation.
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Corticosteroids have been studied in various phases in the treatment of Acute Respiratory Distress Syndrome (ARDS), which is characterized by an inflammatory injury to the lung resulting in acute hypoxemic respiratory failure. Four trials of steroids in early ARDS failed to show any improvement.
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Barotrauma to the paranasal sinuses may cause sudden and severe headache during airplane travel.
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Apparently healthy, middle-aged and older subjects with frequent PVCs have a poor prognosis and should be considered to be high-risk subjects who require strict risk factor modification and primary prevention.
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Summary Content
The STAR Trial (Tamoxifen and Raloxifene); FDA Actions