Branch Retinal Artery Occlusion - Pathophysiology. 1  Most commonly, a branch retinal artery occlusion occurs secondary to an embolus. Emboli typically originate within vessels upstream where they dislodge and travel within the circulatory system to ultimately become lodged downstream in a vessel with a smaller lumen.
Ragtime is a musical form or style that is defined as a syncopated melody (usually in 2/4 time) over a regular, march tempo bass line. Improvisation was common but little of that aspect has been preserved.
exists and is an alternate of . Ragtime music is the rhyme of how people danced and played when they where back in the 1800s. The Jim Crow Era was a post of the civil war Ragtime Music The main instrument used is the piano It was most popular between 1897-1918 The most famous rag-time composers were: Scott Joplin, Joseph Lamb, James Scott. Different styles of ragtime The Cakewalk, is an traditional African American form of music.