Although the abscess was incised and drained in the emergency room and cultures were obtained, which grew coag-positive staphylococcus.
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Based on the information you provided, it seems that an abscess was treated in the emergency room, and cultures were taken from the abscess and sent to a lab for analysis. The results of the culture showed the presence of coagulase-positive staphylococcus.
Coagulase-positive staphylococcus refers to a group of bacteria that belong to the genus Staphylococcus, and they are characterized by their ability to produce the enzyme coagulase. The coagulase test is commonly used to differentiate between different species of staphylococci, with coagulase-positive strains being more pathogenic.
To determine the presence of coag-positive staphylococcus in the abscess, the following general steps would have been followed:
1. Incision and Drainage: The first step in treating an abscess is to incise and drain it. This involves making an incision to allow the collection of pus or fluid that has built up inside the abscess.
2. Culturing: After draining the abscess, a sample of the pus or fluid would have been collected using a sterile swab or needle. The sample is then sent to a laboratory for culturing.
3. Laboratory Analysis: In the laboratory, the sample is streaked onto a culture plate containing a medium that promotes the growth of bacteria. The plate is then incubated under controlled conditions to allow the bacteria to multiply.
4. Identification: Once the bacteria have grown, they are identified using various techniques. One of these techniques could be the coagulase test, which determines if the bacteria produce the coagulase enzyme.
Additionally, further tests and analysis might be conducted to identify the specific strain of coag-positive staphylococcus and to determine its antibiotic susceptibility profile. This information is crucial for selecting the appropriate antibiotic treatment.
It is important to note that this explanation is based on the provided information, and the actual diagnosis and treatment can vary depending on the specific circumstances and the judgment of the healthcare professionals involved.