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19.
adoption of this procedure. Examinees are also asked to complete before
arrival at the Unit a form (sample of which is supplied to the firm) on which
personal details are requested. By completing this form and the
questionnaire before arrival at the Unit much time is saved, and certain
information is forthcoming on the first visit which in the past has often not
been discovered until subsequent visits.
When the Unit has been mobile the sessions may have had to be slightly
modified to those cited above in order to suit working conditions of the firm
concerned, Where firms have an internal postal system, this has been
greatly used for the distribution of examination results, and by its means
results are more quickly distributed.
The Unit has also continued its practice of X-raying over the clothes
for the miniature film, although examinees strip to the waist for the second
(large) film. Men have been asked to remove coat and waistcoat on arrival
in the X-ray room, while women have been requested to avoid wearing, on the
day of the examination, - clothing that has trimmings, buttons, clips, etc.,
above the waistline. As experience has shown that dresses made from painted
materials occasionally threw up shadows, ladies were also advised not to wear
such dresses on the day of the examination. These instructions have been
embodied in the communication issued to firms and individuals when sending
their programme of appointments. From the outset the Unit adopted an
appointments system at the Mass Radiography Centre, and this method has been
particularly appreciated by firms who realise the considerable saving thereby,
in examinees' time. Some of the larger organisations examined by the Unit
have provided their own transport, in order to reduce the time of absence
from work.
Medical procedure. The Unit has continued its practice of referring abnormal
cases (after an interview with the Medical Director) to the appropriate
Chest Clinic, through the examinee's own doctor. A form for the ultimate
diagnosis is sent to the Chest Clinic for completion and return to the Unit,
and this information is entered upon the examinee's card. We are grateful
to the doctors and Chest Clinics for their helful co-operation.
The Unit has classified its abnormal miniatures, and in cases of old
lesion scars or abnormal hearts, etc., special letters have been issued
instead of the usual notification card, as it was felt the latter was not
appropriate.
Where any investigation is outside the purview of a Chest Clinic, the
case was referred to St. Bartholomew's Hospital. Appreciation of this
valuable co-operation by Dr. N.C. Oswald and his colleagues is gratefully
acknowledged.
All clinics and hospitals have recorded the findings of the sputum if
available.
The sputum positive results are as follows
Domiciled in the County of London
Domiciled extra Metropolitan
Male
5
7
Female
3
Nil