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 Photograph. The First Photograph, or more specifically, the earliest known surviving photograph made in a camera, was taken by Joseph NicÃ©phore NiÃ©pce in 1826 or 1827. The image depicts the view from an upstairs window at NiÃ©pce's estate, Le Gras, in the Burgundy region of France. Learn more about the First Photograph through the links below.