Dr. Esteban Olivera MD

Humans have approximately 60 percent of water in the body. Even if 1.5-2 percent of that water is lost, mild dehydration will start, which can lead to severe dehydration requiring immediate medical attention. Because your mood, energy level, and coordination deteriorate with the loss of body fluids,...

Introduction A GI cocktail or gastrointestinal cocktail is a mixture of liquid antacid, viscous lidocaine, and an anticholinergic agent. A GI cocktail is primarily used to treat dyspepsia.There are a wide variety of GI cocktail recipes nowadays. One popular recipe is a mixture of viscous lidocaine,...

What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...

OverviewA transient ischemic attack (TIA) is a mini-stroke, which only lasts for a few minutes. It occurs when blood stops flowing to a part of the brain for a short time. The symptoms of TIA are similar to other symptoms of stroke, but they do not last long, so TIA does not lead to permanent...

Leukocyte Esterase Urine TestLeukocyte esterase (LE) is an esterase produced by white blood cells (WBCs) or leukocytes. A leukocyte esterase test is a urine test used to detect the presence of white blood cells and other health conditions associated with infection.Normally, leukocyte esterase...

IntroductionCat scratch fever or cat scratch disease is a bacterial infection spread by cats. You can get the cat scratch fever from a scratch or bite of a cat that is infected with the bacterium called Bartonella henselae. Aside from the infected cat’s scratch, you can also acquire the infection...