Key signature -. The flats and sharps at the beginning of each staff line indicating the key of music the piece is to be played. Klangfarbenmelodie -. The technique of altering the tone color of a single note or musical line by changing from one instrument to another in the middle of a note or line.
There are many diagnoses that do not have definitive tests used to determine them, or which can't be truly diagnosed until a patient has died (upon autopsy). In these cases, doctors must use combinations of symptoms, often vague symptoms, which can lead to a lack of diagnosis. The real medical problem may be highly unusual or not appropriate to the age of the patient. The doctor might not consider a diagnosis that is very rare, or very rare for that age of the patient.
The list of signs and symptoms mentioned in various sources for Stiff-Person Syndrome includes the 21 symptoms listed below: Constant painful contractions. Muscle spasms - esp. back and upper legs but sometimes the arms and neck. Worsening with anxiety. Worsening with sudden motion. Worsening with sudden noise.