Necrotizing Fasciitis Essay

Main purpose of cellulitis treatment process is reduction of severity cellulitis infection, fast recovery, pain relieve, cure affected skin and prevention of recurrence - definition of treatment for cellulitis. In most cases healing process contains treatment with antibiotics drugs. Antibiotics are used orally or intravenous depending of severity of affected skin area. Period for using oral antibiotics (by mouth) is 10 to 14 days. In this period is crucial to take every single pill that doctor has prescribed, even later when you begin feel better .Treatment for cellulitis with intravenously antibiotics (IV) is recommended when we have more serious infection,in most cases lasts 3 to 5 days.

The first step to identifying the unknown bacteria residing on the blood agar plate sent in from Khokana was to do a Gram stain on it. This is an important first step because it dictates further testing that will be necessary to arrive at a final conclusive result. Viewing the fixed and stained slide under the microscope revealed round chains of bacteria in a purple color signaling Gram-positive streptococci. A catalase test was performed with no bubbling present indicating a negative result. This further confirmed the shape and arrangement seen under microscopy. With this mind, the coagulase test was not done, as it would be of no use since that specifies for staphylococcus, specifically for Staphylococcus aureus. For streptococcus, an examination of hemolysis was necessary at this point. Shifting attention back to the original blood agar plate, gamma hemolysis was noted, thus narrowing the field down to two choices left. The unknown bacteria was either Streptococcus bovis or Entercoccus faecalis. This also means the Optochin and Bacitracin sensitivity tests would not be needed as those pinpoint alpha- and

The gram stain test was able to identify the bacterium as a gram-positive organism, and the morphology distinguished it as a strain of streptococcus, and these finds helped direct the other tests. Hemolytic tests are very useful in differentiating specific species of a certain family of bacteria. The hemolytic test showed the bacterium to be of alpha clearing, which meant it only partially lysed the red blood cells and left a greenish tint. This identified the bacterium as either strep pneumoniae or faecalis. The bacitracin test, which tests whether the bacterium is susceptible to the antibiotics in the disk, posted a positive

What are these other serious illnesses that are caused by group A Streptococcus? What is group A Streptococcus? Group A streptococci are bacteria commonly found in the throat and on the skin. The vast majority of GAS infections are relatively mild illnesses, such as strep throat and impetigo. Occasionally, however, these bacteria can cause much more severe and even life threatening diseases such as necrotizing fasciitis (occasionally described as "the flesh-eating bacteria") and streptococcal toxic shock syndrome (STSS). In addition, people may carry group A streptococci in the throat or on the skin and have no symptoms of disease.

Streptococcus pyogenes, also known as Group A streptococcus (GAS), is a β-hemolytic, Gram-positive bacterium that most commonly causes respiratory disease, including pharyngitis or tonsillitis, as well as skin infections such as impetigo and cellulitis. The organism is transmitted via respiratory droplets or by contact with fomites, and commonly infects young children. In addition to the common clinical presentations associated with S. pyogenes, some individuals develop the postinfectious sequelae of rheumatic fever and glomerulonephritis. Due to the severity of these medical consequences, prophylactic antibiotic use is often recommended for any patients with otherwise mild S. pyogenes infections (21).

Group B Streptococcus agalactiae is an important Gram-positive bacterial pathogen that cause a wide variety of clinical infections, ranging from septicemia to meningitis. The reported lethality of severe S. agalactiae infections is ranging from 4 to 6% in the United States. Of note, it has been suggested that the incidence of neonatal disease is considerably greater than reported, because the requirement for positive cultures from blood or cerebrospinal fluid may underestimates the true burden of disease. Therefore, in this review I focused on virulence factors of S. agalactiae in order to elucidate aspects of the infection.

Streptococcus Pyogenes is a very diverse bacteria with effects ranging from nothing or a mild sore throat, to flesh eating disease, causing death in 40-60% of patients. The major and most common illnesses associated with this bacteria

Necrotizing Fasciitis is a medical infection which requires emergency professional help as soon as it is indicated. The break down of this name can create an idea of the common symptoms relating to the bacteria. For example "it is" means inflammation describing how the skin gets due to the dead skin tissue. This requires medical diagnosis before being able to be treated. Lab tests and/or imaging are always required. This can be short-term or long-term eventually being deadly. Fewer than 20,000 cases in the United States occur per year.

Group A. Streptococcus is a bacterium that causes many different types of infections. It is believed that at least 5-15% percent of the population are carriers of Group A Strep. These carriers tend to carry the bacteria on their skin or in their throats and usually remain asymptomatic.

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Commonly referred to as strep bacteria.” (Streptococci and streptococcal Infections). Streptococci are normal bacterial residents on the skin and mucous surfaces outside or inside humans. Streptococcus contains a variety of species some of which cause disease in humans and other animals.

Necrotizing fasciitis Staphylococcus auerus can occur in many forms, one being methicillin-resistant Staphylococcus auerus (MRSA). This specific strand of bacterium that has evolved to become antibiotic resistant. This makes MRSA necrotizing fasciitis almost impossible to treat with antibiotics alone, and often requires extensive surgical procedures. In The New England Journal of Medicine, researchers highlighted MRSA as a root cause of numerous cases of monomicrobial necrotizing fasciitis reported in Los Angeles in 2003 (7).

aureus will also show a positive result in Beta hemolysis where a clear zone will be visible as it lyses the red blood cells contained in blood agar. Both Streptococcus and Staphylococcus will do this; a way of distinguishing between these two organisms is the Catalase test. S. aureus is able to break down peroxide into oxygen and water; it can form the enzyme catalase. Bubbles form on the slide where some of the organism combined with water has been spread. The bubbles show the presence of the oxygen. Streptococci does not make the enzyme catalase and thus can't breakdown peroxide and will be negative for this

Streptococcus pyogenes is a very common bacteria found in humans. It is very transmissible and can be caught through the air via coughing or sneezing. This form of Strep. illness is referred to as Streptococcal pharyngitis, also known as Strep. throat, which can complicate into Scarlet Fever. It is also possible to be infected through abrasions of the skin, which can result in cellulitis, impetigo, or even necrotizing fasciitis. Aside from human to human contact, these bacteria can also be found in unpasteurized milk. There is no vaccine for Streptococcal infections, though antibiotics such as penicillin still work very well against them.

Virulence Factors: The most important virulence factor of S. aureus is the specific surface proteins that allow the organism to attach to host proteins. The surface proteins of this bacterium allow it to attach to host proteins such as laminin and fibronectin, which form the extracellular matrix of epithelial and endothelial cells. S. aureus also produces a number of membrane damaging toxins that allow the organism to further invade and harm the host, of which the alpha- toxin is the most well studied and is the protein responsible for septic shock. The alpha- toxin is a protein that binds to a specific receptor in platelets and monocytes in humans, forming pores that eventually destroy the cell.