Category: I

An enzyme that blocks a chemical reaction.  

Endocarditis caused by any microorganism, especially any species of streptococci or staphylococci, and less often by Haemophilus spp. or other HACEK bacteria (e.g., Actinobacillus actinomycetem comitans, Cardiobacterium hominis, Eikenella corrodens, or Kingella kingae), enteric bacteria, ricksettsiae, chlamydiae, or fungi. Traditionally, IE can be categorized as acute if the illness has a fulminant onset; catheter related…

Encephalitis that occurs in infants. The most common agents are arboviruses and herpes simplex virus.  

The presence of air between the lobes of the lung.  

An agent that alters menstrual function as a side effect of the treatment of another illness.  

A process on the head of the tibia lying between the two condyles.  

An emetic that acts on the vomiting center of the brain (e.g., apomorphine).  

Measurement of serum ions, such as sodium, chloride, and potassium, using a sample diluted before analysis. The method is prone to physiological error in patients with hyperlipidemia, myeloma, and other disturbances of plasma water concentration.  

A chemical transducer that yields a response to variations in the concentration of a given ion in solution.  

The metal electrode inside all chemical-sensing potentiometric electrodes. The two most commonly used internal reference electrodes are the calomel and the silver/ silver chloride.