* ’ Primary arteriosclerosis ’ ’ begins with a widening of the arterial lumen an11 Endarteritis obliterans and Bucrrger~ ’ eventually exhibits very irregular narrowing. The boundarir: disease begin with smooth regular narrowing which slowly progresses. of the opaque medium are smooth and clear. Embolic closures of arterial lumimr give rise to sharp shadows with a border convex proxinmlly where the filling r~f tht* lumen ends abruptly. Spasm of the arterie:: is often recognizable by the r.oncOutrilnarrowing and by the smooth lance-form end of the shadow. The most important means of distinguishing organic from spastic disease arises, however, frorrl t l.,tk observation that dilatation of the arteries and arterioles takes place almost im mediately after the injection of the solutions of organ+ iodides such as uroscle~~tart. The authors? procedure has, therefore, been to follow the first in,jeetion by a s+~on~l and compare the width of thcb in ten minutes, to take films after each injr&on If the diameter of the ves~ls i> arterial lumina in the two series of photographs. different in the two pictures, the amount of widening in the second is a measure 01 the degree of spasm which existed. The method is said to be especially useful in distinguishing the relative degree of spasm an11 of ory&nie disease in Cases i~j \vljic~l~ In addition, the authors state that therapeutic* effr(.ts
Pearson, (‘anad.
Gertrude
E. G.:
hr. A. J. 36:
516,
A Note on the Calcium
Aspirin
Therapy
of Chorea.
l!J37.
Calcium and aspirin were use.<1 in 2:: cases of Sytlenham’s chorea with rn:lrk~~li I~lini~~al improvement and a shortening of thcx :tverage (luration of the chor~::~. Spinal fluid calcium estimations in 21: cases of chowa showed that there wan n,l minimum figure below which chorea occurrell. Variations in the calcium level in t.h*, spinal fluid were found ranging from 2.6 to Ii.4 mg. per (vent during the :rtt:i,~li 0: rtroreu and after the chorea had suhsitled still ranging florrj 2.8 to ti.ri. With calcium and aspirin 17 eases of c~horra sllr~wrtl an inrrrase irr thra c:iiciurii of the spinal fluid, with a disappearance of the, chorea ; Ii eases showeLd :L ilt~rea.s~~ iu the spinal fluid calcium, also with a ~tisappearam~~~ uf the r~howa. Slan,v Ilf till ~ascs showing an increase later sllowc~l :I ~l~r~~:tst~ to tllr f~~rn~er lcv~~l 01’ twl~iw it with no return of the chorex.
Miiller, E. A.: The Action of Cardiozol and the Respiration Pernoctonnarcosis. Med. Klin. 32: 495, 1!J:
the