File:The endemic diseases of the southern states (1916) (14797890783).jpg

English:
Della Carder, Grant County, Arkansas, aged sixteen, practically an invalid from childhood, treated for malaria and tuberculosis, found heavily infected with hook-worms, treated. B. Della Carder as she is today.

Identifier: endemicdiseaseso00dead (find matches)
Title: The endemic diseases of the southern states
Year: 1916 (1910s)
Authors: Deaderick, William H. (William Heiskell), b. 1876 Thompson, Loyd Oscar, b. 1882
Subjects: Disease Outbreaks
Publisher: Philadelphia and London, W. B. Saunders company
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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, edema and serous effusion. (b) Chronic form. Symptomsof organic dissolution, arrhyth-mic heart, myocarditis, asystole, cyanosis, anasarca, marasmus,death. Ashford and Kings-^ division into slight, moderate, andmarked cases, and Stiles- into light, medium, and severe aremuch simpler and more satisfactory. Light cases are those in which the feces contain a few ova, butsymptoms, if present, are slight. Anemia is not particularlynoticeable, but fatigue is out of proportion to exertion and theremay be slight uneasiness in the epigastrium.462 HOOK-WORM DISEASE 463 Moderate cases are those in which there are definite anemiaand digestive disorders with their resulting symptoms. In severe cases symptoms of the first two forms are intenselyexaggerated, the heart weakens, and edema and ascites super-vene. A not altogether fanciful classification of the stages of hook-worm disease is into primary, secondary and tertiary, after thestages of syphilis. The primary stage is the stage of the initial
Text Appearing After Image:
Fig. 91. —.1. Delia Carder, tlrant County, Arkansas, aged sixteen, practicallyan invalid from childhood, treated for malaria and tuberculosis, found heavilyinfected with hook-worms, treated. B. Delia Carder as she is today. (Rocke-feller Sanitary Commission.) lesion or port of entry of the organisms into the host—grounditch. The period of incubation of this stage is from a few hoursto a few days. This is followed by a secondary period of incu-bation, as in syphilis, during which time the parasites are imma-ture and unable to produce marked symptoms. The secondarystage begins after the parasites have reached the alimentary 464 ENDEMIC DISEASES OF THE SOUTHERN STATES canal, have matured, and have begun to produce ova in the feces,anemia and digestive disorders. As tertiary symptoms may bedesignated evidences of organic changes in other organs resultingin heart weakness and anasarca. General Description.—It is ordinarily from five to ten weeksfrom the time the larvae enter the skin

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