Isolated head tremor (IHT) is a pathological condition characterized by tremor of the head without dystonic posturing or tremor in other parts of the body. In the past. head tremor was commonly referred to as essential tremor because it is very common in families of patients with essential tremor and may precede hand tremor. Several recent observations cast doubt on this theory. https://chefesquipmenters.shop/product-category/compartment-sinks/