Cleveland Clinic journal of medicine
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Benign paroxysmal positional vertigo (BPPV), caused by wayward crystals ("rocks") in the semicircular canals of the inner ear, is the most common cause of brief symptoms of vertigo secondary to head and body movements. Diagnosing and treating it are simple to do in the medical office. This article reviews the differential diagnosis for patients presenting with dizziness and vertigo, the pathophysiology of BPPV, how to diagnose it using maneuvers to elicit symptoms and nystagmus, how to interpret the nystagmus pattern to determine where the rocks are, and how to treat it using different maneuvers to reposition ("roll") the rocks back where they belong.
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Recommendations for pneumococcal vaccination in adults have been updated in the hopes not only of preventing more cases of invasive pneumococcal disease but also of making the recommendations simpler and easier to follow.
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Articles published in 2020 and 2021 contain important research related to preventing Alzheimer dementia; the relationships between frailty, social isolation, and mortality; COVID-19 risks in patients with dementia; hospital-at-home programs; deprescribing antihypertensive drugs; bisphosphonate-related atypical femoral fractures; and cannabis use in older adults.