a service for doctors and patients
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and treatment may hesitate to go so far as Dr. Tighein excluding them from preventive work. Surely heover-simplifies when he accepts the definition that" preventive medicine is that which starts off with healthand sees to its maintenance, and clinical or curativemedicine is that which starts off with disease and endea-vours to effect its cure or amelioration " I Health anddisease cannot be such definite entities as this implies : ethey are better conceived as different ends of a scalewhich records the degree of success in reacting to environ-ment. Perhaps therefore the clinician need not troubleto pursue, with Dr. Tighe, such academic questions aswhether prevention does or does not embrace treatmentof the small beginnings of disease, or the avoidance ofsequelse. His task is simply to give the help and advicemost likely to be useful to his patient, regardless ofwhether this advice can be labelled curative or pre-ventive.
Any new boundary between the territories of themedical officer of health and the’ practitioner can hardlygive the whole field of preventive medicine to the former.In so far as they must be separated, the natural divisionappears to lie between communal medicine on the onehand and personal medicine on the other. The clinicianis concerned primarily with the individual, while theMOH is concerned primarily with the community. But
preventive medicine can properly be practised by both.
A SERVICE FOR DOCTORS AND PATIENTS
THE problem of disposing of patients in need ofimmediate hospital treatment has exercised both townand country doctors for many years. In 1938 KingEdward’s Hospital Fund for London determined to makean attempt to solve the problem for the London area byinitiating, after discussions with the Voluntary HospitalsCommittee, the Voluntary Hospitals Emergency BedService. This service opened in June, 1938, and in itsfirst year dealt with 7859 cases. The rapid increase inthe number of calls in the first half of 1939, when 5131cases were dealt with, showed that the service wasvalued. At the outbreak of war the work was interruptedfor three weeks, when the whole staff was lent to theMinistry of Health to help in the organisation of theEmergency Medical Service. It was then opened againand records of the period between 1940 and the end ofthe flying-bomb attacks show that calls on it increasedrapidly whenever conditions in London became relativelynormal. Cases dealt with in the first half of 1945 havebeen more numerous than in any other half-year sinceJuly, 1940. It seems that as soon as the London
population becomes stable and hospitals extend theiractivities to pre-war limits, the scope of the service isbound to increase.
It operates on a system now backed by seven years’experience, and has reached a high pitch of efficiency.Doctors who in the past have waited, weary and exasper-ated, by a telephone at their own or at a patient’s house,will be surprised to know that the average number oftelephone calls to hospitals for each admission throughthe Emergency Bed Service has never exceeded 1’7 in anyone year, and has at times been as low as 1-5. The
flexibility of the arrangements is well illustrated by anincident of the flying-bomb period when the buildingwhich housed the EBS was damaged by a flying bombtwo minutes after a call came through. The staff on
duty, despite minor injuries, moved down to the emer-gency telephone in the basement, booked a bed at ahospital, arranged for the ambulance to collect the
patient, and rang the doctor back to say that all arrange-ments had been made, within 20 ininutes of receiving thecall. Happily the service may now look forward toemergencies of a. more peaceable nature, of which it
already has some experience. Its records show that onone occasion it succeeded within 10 minutes in tracing adoctor’s aunt who lived alone in London, and had
disappeared without tace, after being taken acutelyill.Owing to the nature of its work the EBS has a compre-
hensive view of the .hospital needs of the metropolitanarea. It has constant evidence of the acute shortageof accommodation for chronically sick and aged people,who though not presenting acute emergencies need eitherhospital treatment or institutional care. Waiting-listsoffer complex problems : the patient must be allowed tochoose the neighbourhood in which he wants to be treated,and the doctor under whom he is to be admitted; andthe hospital which has advised treatment through itsexpert medical staff must be responsible for carryingthat treatment through to a conclusion. The problemsare greater in magnitude than those already solved,but not different in kind; and having gained theconfidence of doctors and hospital authorities the EBSmay well help to overcome another of their jointdifficulties.
It is important that London doctors should knowwhat the service has to offer at the present time ; besidesbeing able to arrange for the admission of patients tohospital with the least possible delay, it provides anambulance when necessary, and informs the doctor bytelephone when arrangements are complete. The doctoris always asked if he prefers any particular hospital, buthe often leaves the choice open. Before the war, theservice used to work all night : it now operates from 9 AMto 10 PM daily, and hopes to resume all-night servicewhen the labour position becomes easier. In the tele.phone book, it is given under the heading of EmergencyBed Service, the numbers being City 2162 and Clerken-well 6571.
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EWART’S SIGN
WHEN William Ewart,l then physician to St. George’sHospital, published his classical paper on pericardialeffusion nearly fifty years ago he described ten diagnosticsigns, the eighth (the posterior pericardial patch of
dullness) and the tenth (the posterior pericardial patchof tubular breathing and segophony) of which togethercame to be known as Ewart’s sign. These findings werefor long accepted as among the classical signs of
pericardial effusion, being ascribed to pulmonary col-lapse as a result of -pressure on the bronchi by thedistended pericardium, although it has also been sug-gested that Ewart’s sign only occurs in rheumatic caseswhere it is due to rheumatic pneumonia. Incidentally,Ewart’s sign is not mentioned in Morton’s revised editionof Garrison’s Medical Bibliography, while one well-known English textbook refers to it as Bamberger’ssign. The specificity of the sign has gradually comeunder suspicion, similar findings having been describedin patients with a large left auricle in whom there was noevidence of a pericardial effusion. American workers 2:
have now suggested that all types of cardiac enlargementmay produce one or more’of the following signs over thelower lobe of the left lung : an areaof dullness just belowthe angle of the left scapula, sometimes only elicited onheavy percussion ; a prolongation of the expiratorybreath-sound varying from that in bronchovesicular
breathing to that obtained in bronchial breathing;diminished breath-sounds ; crepitations ; and an in-creased, almost nasal, vocal resonance. In none of the
patients on whom the American study was based, wasthere any evidence of other conditions, such as pul-monary infarction, congestion, an elevated diaphragmor pericardial effusion, that might account for these
signs. The findings are said to be most common withan enlarged left auricle, as in mitral stenosis, and itshould be remembered that in hypertension the leftauricle is often considerably enlarged and may be
displaced backwards by the hypertrophied left ventricle 31. Ewart, W. Brit. med. J. 1896, i, 717.2. Chapman, E. M., Sanderson, R. G. Ann. intern. Med. 1945, 23, 35.3. Babey, A. Amer. Heart J. 1937, 13, 228.