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The most severe effects of RMSF occur due to damage to the blood vessels, which become leaky. This accounts for the production of petechiae. As blood and fluid leak out of the injured blood vessels, other tissues and organs may swell and become damaged
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What is the effects of having severe acute respiratory syndrome?
Severe acute respiratory syndrome is a viral respiratory disease. The initial effects of having SARS is having flu-like symptoms, a fever, cough and sore throat. If left untreated, you may develop a shortness of breath and eventually, pneumonia.
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Why are the effects of genotypes with extra X chromosomes apparently less severe than those of other trisomies?
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What are the symptoms of RMSF?
Symptoms of RMSF begin within two weeks of the bite of the infected tick. Symptoms usually begin suddenly, with high fever, chills, headache, severe weakness, and muscle pain. Pain in the large muscle of the calf is very common, and may be severe
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.
The effects of vitamin A deficiency are most severe in what population group?
newborns
How common is RMSF?
RMSF is the most widespread tick-borne illness in the United States, occurring in every state except Alaska and Hawaii. The states in the mid-Atlantic region, the Carolinas, and the Virginias have a great deal of tick activity
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 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'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).
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 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 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.
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.
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.
