- Apophysitis calcaneus
Apophysitis calcaneus: Also called Sever’s condition, this disorder is due to inflammation of the growth plate of the calcaneus, the bone at the back of the heel. The inflammation is at the point where the Achilles tendon attaches. It occurs mainly in older children and adolescents, especially active boys. It can be very painful. It […]
Mild thinning of the bone mass. Osteopenia represents a low bone mass and is not as severe as osteoporosis. Osteopenia results when formation of new bone (osteoid synthesis) is not sufficient to offset normal bone loss (osteoid lysis).
- Depression, dysthymia
Depression, dysthymia: A type of depression involving long-term, chronic symptoms that are not disabling, but keep a person from functioning at “full steam” or from feeling good. Dysthymia is a less severe type of depression than what is accorded the diagnosis of major depression. However, people with dysthymia may also sometimes experience major depressive episodes, […]
- Syncope, micturition
The temporary loss of consciousness upon urinating. (Syncope is the temporary loss of consciousness or, in plain English, fainting). The situations that trigger this reaction are diverse and include having blood drawn, straining while urinating (micturition syncope) or defecating or coughing or swallowing). The reaction also can be due to the emotional stress of fear […]
Beneath the deltoid, the large muscle that stretches from the clavicle (collarbone) to the humerus (the long bone in the upper arm) and so covers the shoulder.
MedscapeReference.com. Methemoglobinemia in Emergency Medicine.
- Tuberculous meningitis
Meningitis due to tuberculosis. Tuberculous meningitis is the most severe form of tuberculosis. It causes severe neurologic deficits or death in more than half of cases. The pattern of tuberculous meningitis in the population is different in different areas of the world. In areas with much tuberculosis, tuberculous meningitis usually affects young children. It develops […]
In genetics, a trait refers to any genetically determined characteristic. In technical terms, a genetic trait is amenable to segregation analysis rather than quantitative analysis. A dominant lethal trait is a trait that is expressed if present in the genome and therefore precludes having descendants. All such cases must necessarily be sporadic and must represent […]
Cowpox — Usually contracted by milking infected cows. Causes ulcerative lesions (sometimes called “milkers nodules”) on the hands of dairy workers. It protects against smallpox and was used by Edward Jenner for this purpose. Pseudocowpox — occurs worldwide and is a disease primarily of cattle. In humans it causes non-ulcerating “milker’s nodes.” Molluscum contagiosum — […]
- Heat prostration
Overheating of the body due to extreme weather conditions. Unrelieved hyperthermia can lead to collapse and death, particularly in the elderly. Prevention via air conditioning, ventilation, and drinking extra water is the key for vulnerable persons. In emergency cases, injections of saline solution and rapid cooling of the body may be needed. Also known as […]