Mediastinal Diseases The mediastinum is the region between the two pleural sacs i.e. the central portion of thorax. It is separated into 3 compartments. Anterior mediastinum contains the thymus, lymph nodes, internal mammary arteries and veins. The anterior compartment (also referred to as the anterosuperior compartment or retrosternal space)...
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Disorders of Ventilation ALVEOLAR HYPOVENTILATION When there is alveolar hypoventilation, arterial PC02 increases above the range of 37 – 43 mmHg. PaC02 may be 50 – 80 mmHg. The respiratory system is dependent upon a complex system of ventilatory control to ensure appropriate and adequate ventilation in order to supply...
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