Geyser - Eruptions. 1  Steam rises from heated water. 2  Pulses of water swell upward. 3  Surface is broken. 4  Ejected water spouts upward and falls back down into the pipe. 5  Geyser activity, like all hot spring activity, is caused by surface water gradually seeping down through the ground until it meets rock heated by magma.
From Wikipedia, the free encyclopedia. A tophus (Latin: stone, plural tophi) is a deposit of uric acid crystals, in the form of monosodium urate crystals, in people with longstanding hyperuricemia (high levels of uric acid in the blood). Tophi are pathognomonic for the disease gout.hen uric acid levels and gout symptoms cannot be controlled with standard gout medicines that decrease the production of uric acid (e.g., allopurinol, febuxostat) or increase uric acid elimination from the body through the kidneys (e.g., probenecid), this can be referred to as refractory chronic gout (RCG).
Gout tophi is well known among many gout sufferers. However, for those that are unaware of what gout tophi is, this article should help you to better understand it, the treatment for it and how to protect yourself and your loved ones should they begin to notice they have symptoms.Gout tophi are lumps that are often noticed on the joint that is attacked by the gout.These lumps are the crystallized deposits of uric acid. The reason the tophi become noticeable in many gout sufferers is because the gout has gone untreated successfully for a substantial amount of time.owever, for those that are unaware of what gout tophi is, this article should help you to better understand it, the treatment for it and how to protect yourself and your loved ones should they begin to notice they have symptoms. Gout tophi are lumps that are often noticed on the joint that is attacked by the gout.