Show Keeping e r UP W cc n erv e eC C science Service Service Heart Ailments and childbirth Studied hy by hya bya a New Nev Method Devised by a Dallas Physician Dallas Texas Better Better di- di diagnosIs diagnosis di diagnosis of heart disorders IS promIsed by a new kind of X-ray X photography photography photography raphy just dust presented to the medIcal profession by Rob Rob- Robert Robert Robert ert H Millwee Dallas phy phy- phy- phy physician physician It enables scientists to study the ebbing and flowing of the blood In Inthe inthe the heart For the first time also It possible undistorted photo photographs photographs graphs of all bony structures within the human body Childbirth and motherhood should be made safer For permits the physician to determine accurately the dimensions of the mother s pelvic bones and the exact size of the head of the baby that Isto is isto isto to be born The full name of this new tool of diagnostic medicine Is slit slit scan X ray photography Distortion Is Avoided Basic feat teat of the new Millwee method is to take clear and undistorted un undistorted undistorted distorted X ray photographs of the human body and its various parts To the layman perhaps the best way to explain the value of the new tech pique Is if to recall that in ordinary photography when one is photographing photo photographIng photographing graphIng a high building budding it is necessary necessary necessary sary to adjust the camera so that in the resulting picture the building will not appear to be falling away or toward the viewer of the picture Just shooting the picture produces pro produces daces duces the distortion that is so well known Dr Millwee's method achieves the same purpose in X ray photography where distortion of size in the various vanous parts of the pIcture may mean and has meant on occasions oc occasions a wrong diagnosis In photography Dr Millwee explained the part of the body to be pictured Is covered with witha a lead shield containing a series of slits sms The X ray tube moves across this series of slits and thus takes a series of long narrow pictures one after the other on the X ray nega nega- negatIve nega- nega negative negative tive By varying the speed of move movement movement movement ment of the X ray tube exposures in adjacent sections are taken sev sew several several eral oral seconds apart as desired |