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 first partially successful photograph of a camera image was made in approximately 1816 by NicÃ©phore NiÃ©pce, using a very small camera of his own making and a piece of paper coated with silver chloride, which darkened where it was exposed to light.