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Updated: Apr 1, 2026

The Left Pneumonectomy Combined with Monocrotaline or Sugen as a Model of Pulmonary Hypertension in Rats

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A 33-year-old man with multiple bilateral pulmonary pseudoaneurysms.

Haala K Rokadia¹, Gustavo A Heresi¹, Carmela D Tan²

¹Respiratory Institute, Cleveland Clinic, Cleveland OH.

|October 7, 2015

Summary

A young man experienced sudden shortness of breath due to blood clots in both lungs. Doctors discovered a heart tumor (right atrial myxoma) causing the condition, requiring surgery and lifelong blood thinners.

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Last Updated: Apr 1, 2026

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Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet

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Area of Science:

Cardiology
Oncology

Background:

Right atrial myxoma is a rare primary cardiac tumor.
Pulmonary embolism (PE) can be a rare but serious complication of cardiac tumors.

Observation:

A 33-year-old non-smoker presented with acute dyspnea.
Bilateral pulmonary emboli were diagnosed.
Echocardiography revealed a right atrial myxoma.

Findings:

Surgical resection of the right atrial myxoma was performed.
The patient required lifelong anticoagulation therapy post-surgery.

Implications:

This case highlights the importance of considering cardiac tumors in the differential diagnosis of unexplained pulmonary embolism.
Early diagnosis and treatment are crucial for favorable outcomes in patients with cardiac myxoma and embolic events.