Agostinho, João R.Plácido, RuiAlmeida, Ana G.Pinto, Fausto J.2019-11-182019-11-182019European Heart Journal - Case Reports, ytz175http://hdl.handle.net/10451/40157© The Author(s) 2019. Published by Oxford University Press on behalf of the European Society of Cardiology. This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.comCase description: A 66-year-old woman with a past medical history of high blood pressure, Type 2 diabetes mellitus and no clinical evidence of immunocompromise, presented to the emergency room with fever and acute pulmonary oedema. The patient had presented low-grade fever and anorexia in the previous 3 weeks.engAortic valve endocarditis by a rare infectious agent in a patient with a rare congenital mitral valve abnormalityjournal article10.1093/ehjcr/ytz1752514-2119