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Medical Case Study

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Upon creating our differential diagnosis, we were given the information about a forty-eight year old male who was admitted to the hospital for a serious accident involving his leg while using a chain saw to remove a dead tree. He had a spiked fever and was complaining of pain. The picture of the wound given showed a red warm wound on the knee that was larger than the initial wound. Information given indicated that he had swollen and tender inguinal lymph nodes. Based on all of this information given we concluded that the patient could possibly have: mononucleosis, pneumonia,cellulitis, an insect bite, bursitis, UTI, tinea, lyme disease and some type of infectious abscess. We ruled out most of these suspected diagnosis by taking all of the …show more content…

The agar is known to be selective for Staphylococcus aureus. The catalase test produced bubbles which determined a positive result. The coagulase test produced a solid matrix at the bottom of the tube which helped us determine between Gram positive or Gram negative Stapholoccus aureus. With all of this information and following the Gram positive cocci flow chart from lab 6 we came to the conclusion that our unknown pathogen is Stapholoccus aureus, but because of the fact that the lab results indicated that the sensitivity test results showed resistance to all B-lactam agents we realized our unknown HAI pathogen is methicillin-resistant Staphylococcus aureus. According to Centers for Disease and Control,”MRSA is a type of harmful bacteria that is resistant to many antibiodoics both Staph and MRSA can cause a variety of problems including skin infections, sepis, and pneumonia to bloodstream infections” (Methicillian Resistant Staphylococcus Aureus MRSA www.cdc.gov). MRSA can infect different areas of the human body including the hands, armpit,nose,groin, and areas of skin folds and can range from normal levels to severe. This specific bacteria is called a superbug and can spread very easily by human contact or contaminated objects. MRSA can cause cellulitis an infection of the skin, folliculitis an infection of the hair follicles, and an abscess which is a batch of pus that is located underneath the infected tissue. An abscess can be

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