Exudates are poured out under inflammatory conditions, while none of the truly dropsical effusions are of inflammatory origin; and hence the class of exudates, as above defined, may be rejected from the category of liquids we are at present considering.
Where the dropsical condition is more or less general the term " anasarca " is applied to it; if the tissues are infiltrated locally the term " oedema " is employed; and various names are applied, with a local significance, to dropsies of individual parts or cavities, such as " hydrothorax," " hydroperitoneum " or " ascites," " hydrocephalus," and so on.
Dropsical liquids are usually pale yellow or greenish, limpid, with a saltish taste and alkaline reaction, and a specific gravity ranging from 1005 to 1024.
The quantity of proteid matter in a purely dropsical effusion never amounts to that of an inflammatory exudation (Lassar).
The subject of the conditions under which dropsical liquids are poured out opens up a very wide question, and one about which there is the greatest diversity of opinion.
It may be asked, however, whether a dropsical tissue is being held in a high state of nutrition, and whether, on the contrary, the presence of lymph in excess in its interstices does not tend to impair its vitality rather than to lend it support.
It is now coming to be recognized that increase of blood pressure alone is not sufficient to account for all dropsical effusions.
54, also " Diagnostic Value of Proteid in Dropsical Liquids," Deutsch.
Withering, who, in his Account of the Foxglove (1785), gave details of upwards of zoo cases chiefly dropsical, in which it was used.
His asthma tormented him day and night, and dropsical symptoms made their appearance.
After this we have the healing of a dropsical man on the Sabbath, with a reply to the murmuring Pharisees; and then a parable of the failure of invited guests and the filling of their places from the streets.