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.
No, they are not the same. I like the answer from Garrick Saito but here's another take for you ... In summary, there are similarities between boogie woogie and ragtime, and between stride and boogie woogie. Ragtime is a type of stride and sometimes boogie woogie can employ stride techniques.