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The patient was managed with a temporary transvenous pacemaker and intravenous doxycycline which led to rapid resolution of symptoms and complete normalisation of cardiac conduction within 48 hours. This case highlights the importance of scrub typhus in the differential diagnosis of febrile illnesses with conduction abnormalities, especially in endemic areas.<\/jats:p>","DOI":"10.1136\/bcr-2024-264143","type":"journal-article","created":{"date-parts":[[2025,6,24]],"date-time":"2025-06-24T14:25:24Z","timestamp":1750775124000},"page":"e264143","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Reversible high-grade AV block in a patient with scrub typhus"],"prefix":"10.1136","volume":"18","author":[{"given":"Puneet","family":"Gupta","sequence":"first","affiliation":[{"name":"Cardiology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anil Kumar","family":"Yadav","sequence":"additional","affiliation":[{"name":"Cardiology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anunay","family":"Gupta","sequence":"additional","affiliation":[{"name":"Cardiology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1136-6353","authenticated-orcid":false,"given":"Devesh","family":"Kumar","sequence":"additional","affiliation":[{"name":"Cardiology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2025,6,24]]},"reference":[{"key":"2025082804211861000_18.6.e264143.1","doi-asserted-by":"crossref","first-page":"387","DOI":"10.4103\/0255-0857.142241","article-title":"Possibility of scrub typhus in fever of unknown origin (FUO) cases: an experience from Rajasthan","volume":"32","author":"Bithu","year":"2014","journal-title":"Indian J Med Microbiol"},{"key":"2025082804211861000_18.6.e264143.2","first-page":"264","article-title":"Complications of scrub typhus in South India","volume":"51","author":"Sharma","year":"2005","journal-title":"J Infect"},{"key":"2025082804211861000_18.6.e264143.3","first-page":"890","article-title":"Scrub typhus-associated myocarditis with complete heart block","volume":"12","author":"Verma","year":"2018","journal-title":"J Infect Dev Ctries"},{"key":"2025082804211861000_18.6.e264143.4","doi-asserted-by":"crossref","DOI":"10.1371\/journal.pntd.0006062","article-title":"A review of the global epidemiology of scrub typhus","volume":"11","author":"Xu","year":"2017","journal-title":"PLoS Negl Trop Dis"},{"key":"2025082804211861000_18.6.e264143.5","doi-asserted-by":"publisher","DOI":"10.4103\/ijmr.IJMR_1764_15"},{"key":"2025082804211861000_18.6.e264143.6","doi-asserted-by":"publisher","DOI":"10.5492\/wjccm.v7.i1.16"},{"key":"2025082804211861000_18.6.e264143.7","doi-asserted-by":"publisher","DOI":"10.1080\/00365540050164344"},{"key":"2025082804211861000_18.6.e264143.8","doi-asserted-by":"publisher","DOI":"10.1002\/clc.23276"},{"key":"2025082804211861000_18.6.e264143.9","doi-asserted-by":"publisher","DOI":"10.3904\/kjim.2016.303"},{"key":"2025082804211861000_18.6.e264143.10","first-page":"503","article-title":"Electrocardiographic changes in scrub typhus patients","volume":"8","author":"Fang","year":"1977","journal-title":"Southeast Asian J Trop Med Public Health"},{"key":"2025082804211861000_18.6.e264143.11","doi-asserted-by":"publisher","DOI":"10.1179\/146532808X302189"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2024-264143","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T11:21:30Z","timestamp":1756380090000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2024-264143"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,6]]},"references-count":11,"journal-issue":{"issue":"6","published-online":{"date-parts":[[2025,6,24]]},"published-print":{"date-parts":[[2025,6]]}},"alternative-id":["10.1136\/bcr-2024-264143"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2024-264143","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2025,6]]}}}