Abstract
A 64-year-old man presented to our centre with a one month history of fatigue, exertional dyspnoea, and worsening lower limb oedema on a background of known HFrEF. Following successful diuresis persistently raised inflammatory markers and intermittent fevers prompted investigation for infective endocarditis (IE). Serial blood cultures grew staphylococcus epidermis which were all, unusually, CO2 dependant and likely from a common source. An initial transthoracic echocardiogram (TTE) showed no evidence of endocarditis and normal Tricuspid (TV) and Pulmonary valves (PV). A subsequent transoesophageal echocardiogram (TOE) showed no significant new valvular abnormality.
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