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Cases of sequelae of disease or surgical procedures on the kidneys and the urinary tracts liable to cause sudden incapacity, in particular any obstructions due to stricture or compression will be assessed as unfit. Cases of compensated nephrectomy without hypertension or uraemia may be assessed as fit,
An applicant who has undergone a major surgical operation on the biliary passages or the digestive tract or its adnexae, or the urinary system, which has involved a total or partial excision or a diversion of any of these organs will be assessed as unfit until such time as the medical examiner having access to the details of the operation concerned considers that the effects of the operation are not liable to cause sudden incapacity in the air,
(c) General medical examination.
The heart shall not possess any abnormality, con- genital or acquired, which is likely to interfere with the safe performance of the duties. Respiratory arrhythmia, occasional extra systoles which disappear on exercise, increase of pulse rate from excitement or exercise, or a slow pulse nal associated with auriculoventricular dis- sociation may be regarded as coming within "normal" limits.
The systolic and diastolic blood pressures shall be within normal limits.
There shall be no significant functional for structural abnormality of the circulatory tree.
There shall be no acute disability of the lungs nor any active disease of the structures of the lungs, media- stinum or pleura. In the case of an examination for the first grant of a licence, radiography will form a part of the chest examination, and similar radiographic exzuminations will be carried out as necessary thereafter.
Cases of pulmonary emphysema will not be assessedl as unfit unless the condition is causing symptoms.
Cases of active pulmonary tuberculosis will be assessed as unfit. Cases of quiescent or healed lesions which are known to be tuberculous, or are presumably
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Cases of
tuberculous in origin, may be assessed as fit. doubt about the activity of a lesion, where symptoms of activity of the disease are lacking, clinically, will be assessed as temporarily unfit for a period of not less than three months from the date of the medical examination. At the end of the three months' period, a further radio- graphic record will be made and compared carefully with the original. If there is no sign of extension of the discuse and there are no general sympromis nor symptoms referable to the chest, the applicant may be assessed as fit for a period of three months. Thereafter, provided there continues to be no sign of extension of the disease as shown by radiographic examinations carried out at the end of each three months' period, the validity of the licence will be restricted to consecutive periods of three months. When the applicant has been under observa- tion under this scheme for a total period of at least two years and comparison of all the radiographic records shows no changes or only retrogression of the lesion, the lesion will be regarded as "quiescent" or "healed".
Cases of disabling disease with important impairment of the functioning of the gastro-intestinal tract and its adnesar will be assessed as unfit,
Cases of significant metabolic, nutritional or endo crine disorders will be assessed us unfit. Proven cases of diabetes mellitus will be assessed as permanently unfit; doubtful cases will be assessed as unfit until the condition is proven to be non-diabetic.
Cases of severe und moderate enlargement of the spleen persistently below the costal margin will be assessed as unåt.
Cases of significant localised and general enlarge- ment of the lymphatic glands and of diseases of the blood will be assessed as unfit; those due to a transient condi- tion may be assessed as temporarily unfit.
Cases presenting any signs of organic disease of the kidneys will be assessed as unfit; those due to a transient condition may be assessed as temporarily unfit. The uring shall contain no abnormal clement considered by the medical examiner to be pathological. Cases of