Definition of the Thalamus. The brain is composed of many parts. They are defined by their locations, functions, and anatomy. The thalamus is a structure in the middle of the brain. It is located between the cerebral cortex and the midbrain.
The twenty SCA Kingdoms and the geographic areas they cover are (in order of founding) 1  The West Kingdom was created when the Society originated in 1966. It currently includes Northern California, most of Nevada, and Alaska, as well as Japan, Korea, and the Pacific Rim (excluding Australia and New Zealand).
Sudden cardiac arrest (SCA) occurs when the heart suddenly and unexpectedly stops beating. It is caused by the immediate loss of electrical heart function, usually from an irregular and rapid quivering of the ventricles (called ventricular fibrillation). Rarely, the abnormal rhythms can resolve on their own.