Acid
A chemical compound that, when dissolved in water, produces a solution with a higher activity than pure water, ie a ph less than 7.
Adynamia
Episode of weakness or loss of muscle strength after physical exercise or prolonged fasting. It is accompanied by difficulty in muscle relaxation (myotonia) on the tongue, hands and eyelids, and is favored by cold.
Anorexia
Loss of appetite or poor appetite, may be due to uremic syndrome (urea the poisoning).
Artificial kidney
System that replaces the function of the kidneys in the case of acute or chronic kidney failure. It basically consists of a machine, a dialyzer, concentrated liquid, tubes or lines for the external circulation of the blood, and some access to blood vessels (catheter or fistula) devices.
Asterixis
Medical term describing a neuromuscular disorder that involves involuntary muscle contracture, also called a flapping tremor.