Pleural effusion

Definition and stakes

1911 Encyclopædia Britannica (1911)

“ This is the most common variety, and produces the condition commonly known as pleurisy with effusion. The amount may vary from an almost inappreciable quantity to a gallon or more. When large in quantity it may fill to distension the pleural sac, bulge out the thoracic wall externally, and compress the lung, which may in such cases have all its air displaced and be reduced to a mere fraction of its natural bulk. Other organs, such as the heart and liver, may in consequence of the presence of the fluid be shifted away from their normal position. ”
Source: Wikisource

James Law,  Text book of veterinary medicine… (1902)

“ Causes, irritation through effusion and exudate acting on susceptible pleura, or by other disease products in lung or pleura. Unhygienic surroundings and management predisposes. Frequent chills in cold water. Symptoms, unthriftiness, easily blown, fatigued, or sweated, cough, paroxysmal under exertion, pallor of mucous membranes becoming congested on slight exertion, difficult breathing when recumbent, percussion and auscultation signs of pleurisy and hydrothorax. Lesions, great liquid effusion, clotting on exposure, with much albumen and cell forms. ”
Source: Gutenberg

A system of practical medicine…

“ If the pleura is healthy and the lung not otherwise diseased, the rupture may not cause any inflammatory action, fever, or effusion. The rupture may heal over entirely, or if some inflammatory effusion is produced it will probably be rapidly absorbed. In exceptional cases pleurisy may be excited and the case become prolonged. While the air remains in the pleura we have the physical signs characteristic of pneumothorax—displaced heart, as shown by palpation and auscultation, tympanitic percussion resonance, amphoric breathing, and succussion. ”
Source: Gutenberg

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