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Introduction

The mediastinum consists of superior and inferior components.

The superior mediastinum is a self-contained region that transmits structures between the neck, upper limb, and the inferior mediastinum. It is a complex region that contains representatives of every type of structure in the body. Expanding pathology here can easily cause compression of the contents.

The inferior mediastinum is divided into anterior, middle, and posterior mediastina.

The anterior mediastinum is not often involved in significant pathology.

The middle mediastinum contains the pericardial cavity (with its contents) and the area between the lung hila.

The posterior mediastinum transmits structures between the superior mediastinum and the abdomen.

Normal imaging of the chest may be viewed in ‘pleural cavity.’

Normal Images

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Video 4-01: Normal Coronary Angiogram

Author(s): Gerard Ahern and Maurice Brygel

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Ischemia

Notes

May be no symptoms but likely hypertension with possible ischemic heart disease.

Report

Calcification of ascending aorta, aortic arch, and descending aorta.

Treatment

Medical treatment.

Notes

Symptoms and signs of ischemic heart disease to varying degree.

Report

80% stenosis of right coronary artery.

Treatment

Corrected invasive management (e.g., bypass, balloon, stent).

Notes

Symptoms and signs of ischemic heart disease to varying degree.

Report

85% stenosis of circumflex artery (from left coronary).

Treatment

Corrected invasive management (e.g., bypass, balloon, stent).

Notes

Symptoms and signs of ischemic heart disease.

Report

Areas of reversible ischemia at apex, in septum, and in posterior wall.

Treatment

Medical treatment. Coronary artery obstruction correction surgery if appropriate.

Aneurysms

Notes

History of cause; possible early chest pain.

Report

Small linear filling defect near origin of left subclavian ...

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