Hydrostatic Pulmonary Edema

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Hydrostatic Pulmonary Edema

Etiology Pulmonary edema is defined as an abnormal accumulation of fluid in the extravascular compartments (interstitial and airspace) of the lung. Traditionally, pulmonary edema has been divided into hydrostatic edema…

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Acute Pulmonary Embolism *

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Acute Pulmonary Embolism *

Etiology Pulmonary embolism (PE) refers to blood clot(s) within the pulmonary arterial system, usually caused by migration of deep vein thrombosis (DVT) from the lower extremities. Rarely, emboli are from…

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Tracheal Diseases

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Tracheal Diseases

The wide variety of tracheal diseases includes both benign and malignant conditions that may manifest as tracheal masses, focal or diffuse tracheal thickening, or tracheal calcification. Tracheal tumors, inflammatory conditions…

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Drug-Induced Lung Disease

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Drug-Induced Lung Disease

Etiology The number of drugs recognized to cause an adverse pulmonary reaction of one kind or another is reported to be more than 600 and continues to rise yearly with…

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Permeability Pulmonary Edema

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Permeability Pulmonary Edema

Etiology Pulmonary edema is defined as an excess of fluid in the extravascular compartment of the lung and is classified into four categories based on pathophysiology: hydrostatic edema, permeability edema…

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Uncommon Pneumoconioses

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Uncommon Pneumoconioses

The most common pneumoconioses are silicosis, coal workers’ pneumoconiosis, and asbestosis (see Chapters 61 and 62 ). There are numerous rare pneumoconioses related to variable occupational dust exposures. Hard metal…

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Asthma

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Asthma

Asthma is an inflammatory disease characterized by increased airway reactivity and by airflow obstruction that is at least partially reversible and results in recurrent episodes of wheezing, breathlessness, and cough….

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Pulmonary Arterial Hypertension

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Pulmonary Arterial Hypertension

Pulmonary arterial hypertension (PAH) is defined as a mean pulmonary arterial pressure of greater than 25 mm Hg at rest or 30 mm Hg with exercise, with an elevated pulmonary vascular resistance…

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Emphysema

Jul 21, 2019 by in GENERAL RADIOLOGY Comments Off on Emphysema

Definition and Etiology Emphysema is defined as a “condition of the lung characterized by abnormal, permanent enlargement of the airspaces distal to the terminal bronchiole, accompanied by destruction of their…

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