Fluoroscopy is used in many types of examinations and procedures, such as barium X-rays, cardiac catheterization, arthrography (visualization of a joint or joints), lumbar puncture, placement of intravenous (IV) catheters (hollow tubes inserted into veins or arteries), intravenous pyelogram, hysterosalpingogram, and biopsies.
Lord George Gordon Byron. Lord George Gordon Byron (1788-1824) was as famous in his lifetime for his personality cult as for his poetry. He created the concept of the 'Byronic hero' - a defiant, melancholy young man, brooding on some mysterious, unforgivable event in his past.
Machiavelli wrote The Prince in an attempt to ingratiate himself with the Medici princes who had recently taken over the government of his native city, Florence, in the early sixteenth century (see the rather overstated flattery in the prefatory letter to Lorenzo deâMedici).