Nervous and mental diseases . is followed by a reduction ofcalcium salts in the blood, and that the administration of calcium saltsprevents or reduces the tetany. It is noticeable that conditions requir-ing calcium metabolism are usually associated with the tetany. Thusdentition, rachitis, pregnancy, lactation, and protracted digestive dis-orders are the common concomitants. Hence the value of a milk dietwhich is rich in calcium in these cases. Morbid anatomical changes inthe nervous system are not constant, though suggestive. Cloudiness andswellings in the anterior horns have been noted by Wi
Nervous and mental diseases . is followed by a reduction ofcalcium salts in the blood, and that the administration of calcium saltsprevents or reduces the tetany. It is noticeable that conditions requir-ing calcium metabolism are usually associated with the tetany. Thusdentition, rachitis, pregnancy, lactation, and protracted digestive dis-orders are the common concomitants. Hence the value of a milk dietwhich is rich in calcium in these cases. Morbid anatomical changes inthe nervous system are not constant, though suggestive. Cloudiness andswellings in the anterior horns have been noted by Wiess and by Baromeand Cervasato. Peters,^ in a recent communication, claims to havefound in 7 cases an acute inflammation of the extradural connectivetissue among the extradural blood-vessels and fat, constituting a pachy- 1 Deut. med. Wochen., Jan. 28, 1897. 2 Miinch. med. ^Yoch. Xov. 10, 1896. 3 Jahrb. f. Kinderheilk., 1907. 4 Johns Hopkins Hosp. Bull., March, 1908.^ Deutsch. Arch, fiir klin. Med., vol. Lxxvii. 544 meningitis externa and secondarily inducing a root neuritis and gan-glionitis proportionate to the clinical manifestations of the disease. Symptoms.—The clinical manifestations mainly fall within the do?main of the motor neurons. The first thing to attract attention is thedevelopment of spasmodic stiffness, usually first appearing in the fin-gers and wrists. After the recurrence of several attacks adults sometimesrecognize in malaise, headache, depression, and general pains, premonitionsof the on-coming rigidities. The attacks are initiated b^^ a feeling of^^^ prickling, numbness, and some local ^^^^^L pain. The spasm comes on slowly and ?^^T^ increases gradually in intensity, accom- Jk^iJH panied by growing discomfort and pain m^t^^JB ill the muscles. There are no mental ^^^MT features attributable to tetany. The ^BS**^^ \ ^ spasms begin peripherally in the fingersand toes, and advance toward the , they are limited to thelimbs, and main
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Keywords: ., bookcentury1900, booksubjectmentalillness, booksubjectnervoussys
