The diseases of the ear and their treatment . cleansing with thesmall tin or glass syringes whichare still much used. In order to straighten thecurve of the meatus it is alwaysnecessary to draw the auriclebackward and outward with theleft hand, while the syringing isperformed with the right. A tepid fluid, of the tempera-ture of the body, should always be used for syringing. When it is only necessary to remove smallaccumulations of secretion from the meatus, water is sufficient; butin affections of the tympanic cavity, a small quantity of commonsalt, or the following disinfecting substances, m
The diseases of the ear and their treatment . cleansing with thesmall tin or glass syringes whichare still much used. In order to straighten thecurve of the meatus it is alwaysnecessary to draw the auriclebackward and outward with theleft hand, while the syringing isperformed with the right. A tepid fluid, of the tempera-ture of the body, should always be used for syringing. When it is only necessary to remove smallaccumulations of secretion from the meatus, water is sufficient; butin affections of the tympanic cavity, a small quantity of commonsalt, or the following disinfecting substances, may be added, namely,boracic acid, one teaspoonful to 100 grammes of hot water; sali-cylic acid, 1 to 2 teaspoonfuls of a 10 per cent, alcoholic solution;in cases of fetid otorrhcea, one teaspoonful of 50 per cent, solutionof carbolic acid in alcohol, or a 1 per cent, solution of corrosive 1 The air-bubbles to which Von Tröltsch objects can easily be avoided bykeeping the balloon constantly filled. Patients must be instructed how to use Fig. 11. 2o CLEANSING THE EAR. sublimate to the same quantity of water. In many cases, in order toprevent coagulation of the secretion, Burckhardt-Merians prescrip-tion of a 5 per cent, solution of sulphate of soda proves effective. Cold fluid will frequently produce giddiness, nausea, and vomit-ing. These consequences may also ensue if the fluid be injectedwith too great force. The syringing should always be commencedwith a gentle pressure, which should only be increased when thepatient bears it well. The fluid returning from the meatus may be received in anykind of deep vessel, held below the ear. If the patient use thesyringe himself, he holds his head over a large basin into whichthe fluid runs. After syringing once or twice, the head is inclined sideways, soas to allow the fluid to escape which is still in the meatus, and theorifice is then dried with a cloth. The speculum is then intro-duced to ascertain whether everything has been re
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