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Sepsis

Sepsis is a condition in which the body is fighting a severe infection that has spread via the bloodstream. If a patient becomes "septic", they will likely have low blood pressureleading to poor circulation and lack of perfusion of vital tissues and organs. This condition is termed "shock". This condition can develop either ...

Shock

The word shock is used differently by the medical community and the general public. The connotation by the public is an intense emotional reaction to a stressful situation or piece of news. Its medical meaning is much different.   Medically, shock is defined as a condition where the tissues in the body don't receive enough oxygen ...

Sleepwalking

Sleepwalking has been described in medical literature dating before Hippocrates (460 BC-370 BC). In Shakespeare's tragic play, Macbeth, Lady Macbeth's famous sleepwalking scene ("out, damned spot") is ascribed to her guilt and resulting insanity as a consequence of her involvement in the murder of her father-in-law.   ...

Stress

Stress is simply a fact of nature - forces from the inside or outside world affecting the individual. The individual responds to stress in ways that affect the individual as well as their environment. Because of the overabundance of stress in our modern lives, we usually think of stress as a negative experience, but from a biological point of ...

Sty

A sty (sometimes spelled stye) is a tender, painful red bump located at the base of an eyelash or under or inside the eyelid. The medical term for a sty ishordeolum (plural, hordeola).   A sty results from an infection of the oil glands of the eyelid (meibomian glands) that help to lubricate the eyeball. The infection occurs after ...

Stuttering

Stuttering is a speech disorder in which the normal flow of speech is disrupted by frequent repetitions or prolongations of speech sounds, syllables or words or by an individual's inability to start a word.   The speech disruptions may be accompanied by rapid eye blinks, tremors of the lips and/or jaw or other struggle behaviors ...

Tetanus

Tetanus is an infectious disease caused by contamination of wounds from the bacteria Clostridium tetani, or the spores they produce that live in the soil, and animal feces. Tetanus has been recognized for centuries; the term is derived from the ancient Greek words tetanosand teinein, meaning taut and stretched, which describe the condition of ...

Tinnitus

Tinnitus, (pronounced tih-NIGHT-us or TIN-ih-tus) is a ringing, swishing, or other type of noise that seems to originate in the ear or head. Most of us will experience tinnitus or sounds in the ears at some time or another. According to the National Institute on Deafness and Other Communication Disorders (NIDCD), almost 12 percent of men who ...

Tonsillitis

Tonsillitis is inflammation of the tonsils, two oval-shaped pads of tissue at the back of the throat — one tonsil on each side. Signs and symptoms of tonsillitis include swollen tonsils, sore throat and difficulty swallowing. Most cases of tonsillitis are caused by infection with a common virus, but a bacterial infection also may cause ...

Typhus

Typhus is a disease caused by bacteria (mainly Rickettsia typhi or R. prowazekii). There are two major types of typhus: endemic (or murine typhus) and epidemic typhus. The bacteria are small and very difficult to cultivate; originally they were thought to be viruses. The disease occurs after bacteria (Rickettsia spp.) are transferred to humans ...

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