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Updated: Jul 8, 2026

Sterile Pericarditis in Aachener Minipigs As a Model for Atrial Myopathy and Atrial Fibrillation

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Published on: September 24, 2021

Endocarditis on a left atrial myxoma.

J M ten Berg¹, H R Elbers, J J Defauw

¹St Antonius Hospital, Nieuwegein, The Netherlands.

European Heart Journal

|November 1, 1992

Summary

A patient

Area of Science:

Cardiology
Infectious Diseases
Pathology

Background:

Endocarditis is an infection of the heart's inner lining.
Cardiac tumors are rare and can present with diverse symptoms.

Observation:

A 55-year-old woman presented with fever and malaise.
Blood cultures identified Streptococcus sanguis.
Echocardiography revealed a large left atrial mass.

Findings:

The patient was diagnosed with endocarditis and a left atrial myxoma.
Surgical excision of the myxoma revealed neutrophil infiltrates and bacterial remnants.
Microscopic analysis confirmed the myxoma served as a nidus for infection.

Implications:

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Cardiac myxomas can act as a source of recurrent or persistent infections.
Prompt diagnosis and surgical intervention are crucial for managing infected cardiac tumors.
This case highlights the importance of considering cardiac masses in unexplained infections.