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Updated: Mar 12, 2026

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Isolated pulmonary valve endocarditis masquerading as community-acquired pneumonia
Salik Nazir1, Saroj Lohani2, Niranjan Tachamo2
1Department of Medicine, Reading Hospital and Medical Center, PA, USA; Salik.nazir@readinghealth.org.
Abstract:
Isolated pulmonary valve endocarditis in intravenous drug users is a rarely reported phenomenon. We present the case of a 25-year-old male with history of intravenous drug use who presented with respiratory symptoms after failing outpatient treatment for community-acquired pneumonia. Further investigations identified multiple lung lesions with early cavitation, concerning for septic pulmonary embolism on computerized tomography scan, positive blood cultures with methicillin-susceptible staphylococcus aureus, and isolated vegetation of the pulmonic valve on transthoracic echocardiography. The patient had a complete recovery after being treated medically with intravenous oxacillin for a total of 6 weeks.
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