Intended for healthcare professionals


Don’t ignore the splinter haemorrhage . . . and other stories

BMJ 2022; 378 doi: (Published 04 August 2022) Cite this as: BMJ 2022;378:o1885

Diagnostic value of splinter haemorrhages

Once considered a classic sign of infective endocarditis, splinter haemorrhages no longer feature among current criteria for diagnosis. A retrospective study of more than 1000 patients reassessed their diagnostic value using the Duke criteria as a gold standard. It turns out that splinter haemorrhages have poor sensitivity but high specificity. In other words, if present, they should not be ignored (Heart doi:10.1136/heartjnl-2022-321052).

Heating up the viral soup

Is it simply coincidence that the year 2020, which saw the emergence and global spread of SARS-CoV-2, was the warmest ever recorded in the northern hemisphere? Probably not, according to a review that explores how climate change increases the risk of cross-species viral transmission. …

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