Sonja is a fictional character from the Underworld series of films. This character is the daughter of the vampire elder Viktor, introduced by flashback, in Underworld. Red Sonja, the She-Devil with a Sword, is a fictional character who first appeared in Conan the Barbarian #23 (Marvel Comics).
tetralogy (plural tetralogies) 1  A set of four works of art that are connected, and that can be seen either as a single work or as four individual works. They are commonly found in literature, film, or video games. ( 2 medicine) A combination of four symptoms.
The recipient was a seven-month-old boy diagnosed with tetralogy of Fallot (a hole in the ventricular septum with displacement of the aorta, pulmonary stenosis and thickening of the right ventricle).The donor's mother, a physician, noted: The first thing is that I could more than hear Jerry's [donor's] heart.