The term keynote is merely suggestive as used in this connection, the reference being to the analogy between materia medica and music. This analogy is shown in the use of other musical terms in medicine, as when the patient speaks of being out of tune, or the physician speaks of the tone of the organism. Disease is correctly defined as a loss of harmony in function and sensation. [3]
The keynote in music is defined as the fundamental note or tone of which the whole piece is accommodated. In pathology the term pathognomonic symptom expresses what might be called the keynote of the disease, or that which differentiates it from other diseases of a similar character. [3]
Much has been said of keynote prescribing; many at the present time use a repertory simply as a means of seeking a key to unlock the case through the peculiar and unusual symptom. This has certain value, if we are so fortunate as to find the simillimum by some outstandingly peculiar symptom; but most often this is not enough, and it has little more value than selecting at random any one remedy from a group known to have a certain symptom in the provings. We must not fail to recognize the value of the totality of the symptoms; and this must take into consideration the chief complaints, those of which the patient most often complains, plus the peculiar characteristics of the patient. If both these elements are present, we may be sure we are on the right track. [1]
The real keynote system as taught and practiced by the late Dr. Henry N. Guernsey (but perverted by many) does not conflict with the doctrine of the totality of symptoms, nor does it fall short of complying with Hahnemann's injunction to pay most attention to the peculiar and characteristic symptoms of the case. It is, in fact, strictly Hahnemannian. The truth is that Dr. Guernsey simply invented a new name for the old Hahnemannian idea. [3]
1. Roberts, Herbert A., M.D., The Principles and Art of Cure by Homeopathy.
3. Close, Stuart, M.D., The Genius of Homeopathy