Kernigs sign is a physical indication thatmeningitismay be present. It is one of the clinical signs used by healthcare providers to diagnose meningitis. Kernigs sign is often looked for along with Brudzinskis sign when someone is suspected of having meningitis. Phynart Studio / Getty Images Phynart Studio / Getty Images What Is Kernig’s Sign? Kernigs sign is a clinical indication that meningitis may be present. This physical symptom was named Kernigs sign and was first published in medical literature in 1882....

Kidney cancer happens when cells in one or both kidneys start to grow out of control. Eventually, the cells become a mass called a tumor. As the cancer progresses, it can spread to other parts of the body. Verywell This article discusses kidney cancer, its types, symptoms, and causes. It also looks at how kidney cancer is diagnosed and treated. Kidney Anatomy and Function The kidneys are two bean-shaped organs....

Klinefelter Syndrome: A Genetic Condition Affecting Males Klinefelter syndrome is a genetic condition that affects only males. Here’s what you should know about the causes, symptoms, and treatment options for the condition. What Is Klinefelter Syndrome? Science Photo Library - SCIEPRO / Getty Images Klinefelter syndrome is a genetic abnormality that affects only males. The incidence of Klinefelter syndrome is thought to be increasing. Ordinarily we have 46 chromosomes, 23 from our mother and 23 from our father....

The disease process begins before symptomspain, stiffness, and motion restrictionare noticed. More than 14 million Americans have knee osteoarthritis. It is the most common cause of musculoskeletal disability in the United States. Sasha_Suzi / Getty Images About 13% of women and 10% of men age 60 and older have symptomatic knee osteoarthritis. With advanced OA,crepitus(a grinding sensation) may become noticeable. The lateral tibiofemoral joint (outer side of the knee) is less commonly so....

Labor dystocia refers to abnormally slow labor. Clinicians disagree on the characteristics of dystocia, and as such definitions vary. Learn more about the risk factors, prevention, and treatment for dystocia. David Aaron Troy / Getty Images David Aaron Troy / Getty Images What Happens in Labor Dystocia? There is considerable variation in the diagnostic criteria for labor dystocia. Given this, labor dystocia is an umbrella term that can include a number of circumstances during delivery....

The condition causes severevertigothat lasts for more than 20 minutes and sometimes for several days. Labyrinthitis Symptoms Labyrinthitis can cause a variety of symptoms. The most common features of labyrinthitis are: Other concerns commonly reported with labyrinthitis include the following. vitapix / Getty Images Symptoms that affect your ear generally affect one ear, rather than both. In general, symptoms come on rapidly, worsening over a few hours or days. These may interfere with your ability to fight infections in your middle ear....

Lactic acid is sometimes used interchangeably with lactate, but lactic acid is lactate joined with hydrogen ions. It is made by muscle tissue and red blood cells during a process that produces energy during physical activity. PeopleImages / Getty Images What Is Lactic Acid? PeopleImages / Getty Images Lactic acid is a substance made up of lactate and hydrogen ions. It is a byproduct ofglycolysis, a metabolic process the body uses during intense physical exercise to produce energy....

Natural Sugar Found in Milk Lactose is a natural sugar that’s found in milk. It is a carbohydrate. Structurally, it is a disaccharide a sugar molecule thats composed of two simple sugars: glucose and galactose. naturalbox / iStock / Getty Images What It Is Lactose is one of the major components of milk. Structurally, it is a disaccharide a sugar molecule thats composed of two simple sugars. Glucose can be found in many other food substances, but lactose is the only known source of galactose....

Lamaze teaches natural childbirth coping techniques, including comfort measures, relaxation, and breathing. Patterned breathing used to be the hallmark of Lamaze. Today, the method incorporates conscious breathing and relaxation, among other principles. MarsBars / Getty Images Lamaze childbirth preparation classes are taught by independent childbirth educators certified through Lamaze International. The certification is a three-step process that includes self-study, attendance at a seminar, and an exam. The classes generally last around eight weeks but can be slightly longer or shorter....

The lambdoid suture runs along the backside of the head. When it fuses, the back of the head appears flattened. Sutures normally remain open and flexible until your childs second birthday. Narongrit Sritana / Getty Images This allows the brain room to grow and develop. In craniosynostosis, one or more of the sutures fuse prematurely. This causes the skull and head to grow into a misshapen form. It may also lead to increased pressure on thebrain....

LCLC can cause other effects as the disease progresses. The symptoms include dyspnea, and pain in the chest or side that gets worse with a deep breath. LCLC cells can also secrete hormone-like substances that causeparaneoplastic syndromes. PEIR Digital Library / Wikimedia Commons / Public Domain The substances trigger theimmune systemto attack certain cells of the body. Paraneoplastic syndromes can cause symptoms like slurred speech, impaired coordination, and difficulty walking orswallowing....

Hypogonadism is a syndrome that causes the body to produce insufficient sex hormones. There are severaltypes of hypogonadism, one of them being late-onset hypogonadism (LOH). LOH occurs later on in someone’s life. Ippei Naoi / Getty Images LOH is both under-diagnosed and under-treated because there is controversy surrounding LOH diagnosis within the medical community. There are no clear guidelines as to what range defineslow testosteronein older men specifically. Ippei Naoi / Getty Images...

Even if you’re older, you could still develop lupus. Who Gets Late-Onset Lupus? Most studies define late-onset lupus as beginning at age 50,but there is no consensus on this. LWA / Dann Tardif / Getty Images Some doctors think the term should apply only when lupus develops in people over age 65 or even older. Research shows that anywhere between 4% and 25% of lupus patients have late-onset lupus. Lack of agreement on the age cut-off could help to explain why this range is so large....