…In instances of tension pneumothorax, the accumulated pressure can shift the entire mediastinum, manifesting externally as a laryngeal displacement. Etiologies of tension pneumothorax include: Traumatic…

…to the mediastinum can cause tamponade. Post operative Complications : Post surgical complications following thoracic procedures can cause tamponade. Tamponade with swinging heart of the pericardium…

…more cell lines. Suspected acute leukaemia, myelodysplastic syndrome or myeloproliferative neoplasm. Work up and staging of lymphoma and myeloma. Suspected bone marrow metastasis. Assessment of…

…serves as a barrier to infections. The pericardium reduces friction between the ventricles and surrounding structures of the mediastinum. Friction is reduced because the fluid…