There are a few electrolyte abnormalities: hypokalemia, hypercalcemia, hyperkalemia and hypocalcemia. Hypokalemia is also referred to as low potassium. The main cause is loss of potassium in urine due to diuretic medicines. Diarrhea and vomiting can also contribute to hypokalemia.
The name of the first camera is camera obscura and is described to be the foundation on which most modern cameras are based on. Johann Zahn made the first camera, in 1685.
The KODAK camera introduced in 1888 was the first box camera to become widely adopted by the public and its design became the archetype for box camera designs introduced by many different manufacturers. The Kodak introduced in 1888 first commercially successful box camera for roll film -- the advertising slogan being You press the button â we do the rest. 2  The Kodak Brownie, a long lasting series of classical box cameras using roll film. 3  The Ansco panda was designed to compete directly with the Brownies.