(adj.) Also spelled analogue, describes a device or system that represents changing values as continuously variable physical quantities. A typical analog device is a clock in which the hands move continuously around the face. Such a clock is capable of indicating every possible time of day. In contrast, a digital clock is capable of representing only a finite number of times (every tenth of a second, for example).
If you notice your hands are shaky when pouring a cup of coffee, holding a bridge hand or combing your hair, you may leap to the conclusion you are in the early stages of Parkinson disease. But actually, essential tremor is the most common form of abnormal trembling -- primarily of the hands.
Idiopathic Parkinson's disease - hand tremor more causes...Â» See full list of 41 causes of Hand tremor. How Common are these Causes of Hand tremor? This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Hand tremor. Of the 41 causes of Hand tremor that we have listed, we have the following prevalence/incidence information: 1  1 causes are very common diseases. 2  2 causes are common diseases. 3  0 causes are uncommon diseases. 4  0 causes are rare diseases. 5  0 causes are very rare diseases. 6  39 causes have no prevalence information.