Category: E

Any derangement in thyroid hormone blood levels in patients affected by another (usually critical) illness. The altered levels of thyroid hormones are not caused by primary thyroid dysfunction; they return to normal when the underlying illness is successfully treated.  

A subclass of mammals with a true placenta.  

The normal, healthy systolic contraction of the myocardium.  

The valve at the entrance of the inferior vena cava.  

Radiography of the eustachian tube and middle ear after the introduction of a contrast medium.  

Having a broad or wide head.  

A genus of molds that rarely causes disease.  

A rare element of the lanthanide series with atomic number 63 and an atomic weight of 151.96.  

A common house dust mite that causes allergic rhinitis and contact dermatitis in sensitized people. It inhabits beds, linens, carpets, and other places in the home.  

Any agent or drug that induces an extraordinary sense of well-being.