Dr. Sammy Chan MD

Recommended Articles

• Chikungunya Fever: Symptoms, Treatment, and Prevention

  Introduction Chikungunya is a viral infection that is transmitted by mosquitoes. The chikungunya virus causes a sudden onset of fever along with severe joint pain. The illness is not considered as contagious, but in rare instances, the virus can get transmitted through contact with a person's...

• Leukocyte Esterase Test

  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...

• What Is Cat Scratch Fever?

  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...

• What is the encephalitis causes and prevention?

  What is encephalitis?Encephalitis means inflammation of the brain. Fever, headache, and joint pain are often experienced in the early stages of encephalitis. Other severe symptoms may develop over some days or hours. They include personality changes, seizures, disorientation, confusion, or...

• What Are Ketones?

  Almost every cell in the body has a primary source of energy, which is usually glucose. However, when the body doesn't have enough glucose, the liver responds by producing chemicals known as ketones, converting stored fatty acids into ketone bodies. Ketones are used as a backup fuel source when...

• What Is Epistaxis?

  What is epistaxis?Epistaxis or commonly called a nosebleed is defined as a type of bleeding that occurs from the nostrils, the nasal cavity, or the nasopharynx. Nosebleeds are mostly caused by the rupture of blood vessels inside the nose. Bleeding may be spontaneous or caused by injuries or trauma....