Letter: h

A term given to granulation tissue extending above the wound margins; also referred to as proud flesh.

Excessive development of keratin in the epidermis, usually on the palms of the hands or soles of the feet. In the mouth, white patchy layers of mucus membrane sometimes caused by radiation therapy.

A metabolic state where the energy expenditure of the patient is significantly higher than baseline and the patient requires much more nutrition than normal. This usually occurs with severe stress, sepsis, or trauma.

A substance found in basophil and mast cells that is released as part of an allergic reaction, causing vasodilation, constriction of smooth muscles such as those found in the respiratory tract, increases capillary permeability and can cause itching, tearing, hives, nausea, diarrhea, anaphylaxis, etc. Antihistamines, Benadryl and epinephrine are given over counter depending on severity of reaction.

Human Immunodeficiency Virus

Hypoxia caused by disruption of cellular enzyme systems by poisons (e.g., cyanide) that impair cellular respiration. Cells are unable to utilize the oxygen despite adequate availability.

Agent capable of killing bacterial spores when used in sufficient concentration under suitable conditions. It therefore is expected to kill all other microorganisms. EPA approval for use on spores must be obtained for stated claim and product used according to manufacturers directions. If label not followed, user takes liability.

Formerly referred to as non-A, non-B. HCV is a hepatitis virus that is acquired from blood or sexually. May remain dormant for 20+ years before symptoms occur. Symptoms are similar to HBV. Can lead to cirrhosis requiring transplant and/or cancer. HCW occupational concern. No vaccine available.

An enveloped RNA virus acquired from blood or sexual transmission. It infects only those liver cells that are already infected with HBV. It uses HBV enzymes to form a protein coat that allows it to survive outside of the liver; also known as the Delta virus. HCW occupational concern. No vaccine.

A non-enveloped, single-stranded RNA virus transmitted through the fecal-oral route; causes acute but not chronic infection. No vaccine available.