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Related Experiment Video

Updated: May 28, 2026

Isolation of Atrial Myocytes from Adult Mice

Isolation of Atrial Myocytes from Adult Mice

Published on: July 25, 2019

Polypoid atrial myxoma.

Antonio Grimaldi¹, Andrea Fumero, Maurizio Taramasso

¹Cardiovascular and Thoracic Department, San Raffaele Scientific Institute and Università Vita-Salute San Raffaele, Milan, Italy. grimaldi.antonio@hsr.it

Journal of Cardiovascular Medicine (Hagerstown, Md.)

|November 1, 2011

Summary

This case report highlights a large cardiac myxoma causing symptoms like weight loss and dyspnea. Echocardiography effectively identified the tumor, enabling successful surgical removal and a positive patient outcome.

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

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

Published on: September 24, 2021

Area of Science:

Cardiology
Cardiac Surgery
Diagnostic Imaging

Background:

Myxomas are the most frequent primary cardiac tumors.
Early detection and characterization are crucial for managing potential complications.

Observation:

A 75-year-old male presented with progressive dyspnea and weight loss.
Physical exam revealed cardiac auscultation abnormalities.
Transthoracic echocardiography identified a large, mobile cardiac mass originating from the atrial fossa ovalis.

Findings:

Echocardiographic features including irregular shape, multilobated surface, and soft-tissue echogenicity suggested an emboligenic myxoma.
Surgical inspection confirmed a gelatinous, friable myxoma.
Histopathology confirmed the myxoma diagnosis post-resection.

Implications:

Echocardiography is a key diagnostic tool for cardiac masses, offering morphological insights.
Accurate diagnosis aids in assessing risks of valve obstruction and systemic embolization.
Successful surgical resection leads to favorable patient outcomes.