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A transthoracic echocardiogram revealed thickening of the distal right ventricular lead. A transoesophageal echocardiogram demonstrated a clearer vegetation on this lead. It transpired that she had been scratched by her dog a fortnight before symptom onset. The causal bacterium was reported as <jats:italic>Capnocytophaga canimorsus<\/jats:italic>, a bacterium that exists almost exclusively in the saliva and claws of dogs and cats. She received an extended course of antibiotics with eventual removal of the infected device.<\/jats:p>","DOI":"10.1136\/bcr-2019-233783","type":"journal-article","created":{"date-parts":[[2020,2,10]],"date-time":"2020-02-10T04:35:14Z","timestamp":1581309314000},"page":"e233783","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":8,"title":["First reported case of lead-related infective endocarditis secondary to Capnocytophaga canimorsus: \u2018Dog Scratch\u2019 endocarditis"],"prefix":"10.1136","volume":"13","author":[{"given":"Gareth","family":"Squire","sequence":"first","affiliation":[{"name":"Department of Cardiology, Kettering General Hospital, Kettering, Northamptonshire, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Simon","family":"Hetherington","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Kettering General Hospital, Kettering, Northamptonshire, UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2020,2,9]]},"reference":[{"key":"2025082723151787000_13.2.e233783.1","doi-asserted-by":"publisher","DOI":"10.1099\/jmm.0.05274-0"},{"key":"2025082723151787000_13.2.e233783.2","doi-asserted-by":"crossref","unstructured":"Guillaume C , Olivier L , Christophe B , et al . 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