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When does RMSF have a worse outcome?
Certain risk factors suggest a worse outcome in RMSF. Death rates are higher in males and increase as people age. It is considered a bad prognostic sign to develop symptoms of RMSF within only two to five days of a tick bite.
How is RMSF diagnosed?
Diagnosis of RMSF is almost always made on the basis of the characteristic symptoms, coupled with either a known tick bite (noted by about 60-70% of patients) or exposure to an area known to harbor ticks.
Why are tests not used for RMSF?
There are tests to diagnose RMSF, but these are performed in only a few laboratories. Because the results of these tests take so long to obtain, they are seldom used. This is because delaying treatment is the main cause of death in patients with RMSF
What is the bacteria in RMSF?
The bacterial culprit in RMSF is called Rickettsia rickettsii. It causes no illness in the tick carrying it, and can be passed on to the tick's offspring.
What is RMSF's rash?
The rash of RMSF is quite characteristic. It usually begins on the fourth day of the illness, and occurs in at least 90% of all patients with RMSF. It starts around the wrists and ankles, as flat pink marks (called macules).
What is the prognosis of RMSF?
Prior to the regular use of antibiotics to treat RMSF, the death rate was about 25%. Although the death rate from RMSF has improved greatly with an understanding of the importance of early use of antibiotics, there is still a 5% death rate.
What is RMSF?
Rocky Mountain spotted fever (RMSF) is a tick-borne illness caused by a bacteria, resulting in a high fever and a characteristic rash.
How is RMSF spread?
The bacteria causing RMSF is passed to humans through the bite of an infected tick. The illness begins within about two weeks of such a bite.
How soon should treatment start for RMSF?
It is essential to begin treatment absolutely as soon as RMSF is seriously suspected. Delaying treatment can result in death.
Who gets RMSF most often?
About 5% of all ticks carry the causative bacteria. Children under the age of 15 years have the majority of RMSF infections.
Short term of Rocky Mountain spotted fever?
It is appropriate to shorten Rocky Mountain spotted fever to simply RMSF. It is a term used by the Centers for Disease Control (CDC).
What is the scientific name of rmsf?
Rickettsia rickettsii is the scientific name for RMSF. The common name for it is Rocky Mountain Spotted Fever.
