Document qmgma3r94Yr2nv1X6jzvM5DyR

Jan u ar y 2 3 , i > i a D r . vv. Ken n edy Vs H e r li'n i va x-s i ;y Ho s p 1 i:a l Bsiltitiox'e, M arylan d Bear Doctor W aller: I am r e p l y i n g som ew h at b e l a t e d l y t o y ou r l e t t e r o f Ja n u a r y 15t h w r it t e n to ray a s i o c i a t e D r . Sc h r a d in an d g i v i n g in fo r m a t io n a boot Mr. V iitte r . I ap olo gize fo r th e d elay in r e p l y i n g , "out D r . Sc h r a d in i s o u t o f t h e l a b o r a t o r y on an e x t e n d e d t r i o an d I h av e b e e n o u t o f my o f f i c e on acco u n t o f a r e c e n t en cou n ter w ith th e l o c a l e p id e m ic o f I n fl u e n z a , o r w h at ever i t may bo c a l l e d . I w ish t o th an k you fo r th e in fo r m atio n ab ou t Mr. W it t e r , an d I am v e r y g l a d t o know t h a t h e i s con tin u in g to im prove. . . Tha l a s t r e c o r d o f a n a l y s i s made on th e u r in e an d b lo o d o f Mr. W it t e r i s d a t e d Novem ber l B t h , I 9I4.O. At t h i s t im e t h e u r in e sh ow ed 0.27 m i l l i g r a m s p e r l i t e r , an d t h e b lood 0 .0 7 m illigr am s p er 100 gram s. Th is i s a h igh le v e l, p a r t ic u la r ly In th e u r in e , bu t i t i s in k e e p in g w it h th e p r e v io u s r e s u l t s o b t a in e d on Mr. f i t t e r and in our o p in io n i t i s s u ff i c i e n t eviden ce o f the reason fo r the d elay in h is r eco v er y . I n p r e v i o u s i n s t a n c e s we h av e fo u n d t h a t sym ptom s p e r sist u n t il the a n a ly t ic a l d ata approach th e norm al l e v e l s . I t seem s p r o b a b le t h a t by t h i s tim e th e le a d co n ce n tr atio n s in th e b lood an d u r in e have reach ed su b st a n t ia lly n orm al l e v e l s . T h is c o n c lu sio n w ould seem e s p e c i a l l y t o be j u s t i f i e d b y t h e f a c t t h a t o b s e r v a t i o n s m ade on some o f th e o t h e r men h av e sh ow n a red u ction in th e lead con cen tration s to p r a c t ic a lly n orm al l e v e l s . H r. W It t e r 's e xp o su r e was a p p a r e n t ly g r e a t e r t h an t h e o t h e r s an d a som ew h at lo n g e r t im e w ould b e r e q u ir e d to g e t b ack to n o r m al. R eferrin g again to the a n a l y t ic a l d a t a ab ove, one m igh t assu m e t h a t th er e i s some e r r o r i n t h e c o l l e c t i o n o r a n a l y s i s o f t h e u r in e sam ple b e cau se o f th e wide d isc r e p a n c y betw een th e r e s u l t in th e b lood and t h a t In th e u r in e . I f t h is w ere a cas o f In o r gan ic le a d p o iso n in g , I sh o u ld t h in k some su c h e r r o r h ad o c c u r r e d . H ow ever , 2 wo h avo fo u n d f r e q u e n t l y , i n c o n n e c t io n w it h c a s e s o f t h is ty p e, th at th e d iscrep an cy betw een th e u r in ar y and the b lood co n ce n tr atio n s i s q u ite con s i d e r a b l e . The r e s u l t s , a s I h ave g iv e n them to y ou , ar e p la u sib le , t h e r e fo r e , and th e u r in a r y r e s u l t i s n o t f a r from c o r r e c t . I t seem s p r o b a b le t h a t you w ill w ish to ch eck th e b lo o d an d u r in e con cen t r a t io n s on Mr. W itter a t an e a r ly d a t e . I f so , we sh o u ld be g l a d t o su p p ly th e n e c e s s a r y co n t a i n e r s on y o u r r e q u e s t , Vte sh o u ld be g l a d t o m ake t h e a n a l y s e s f o r t h e sa k e o f o u r own in fo r m a t io n as w ell as fo r th e advan tage o f Mr. W itter. Very tr u ly you rs, RA K:ls R o b e r t a . Keh oe,M .D. 0021146