A 70-year-old woman is brought to the emergency department by her spouse with complaints of shortness of breath and fever. Physical examination revealed a fever of 103°F, hypotension, and a diastolic murmur. History revealed a cardiac valve replacement 5 years earlier. Three consecutive blood cultures taken during febrile periods revealed gram-positive cocci that were catalase-positive and coagulase-negative. Which of the following organisms is the most likely cause?

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Medical laboratory technicians/technologists collect, sample, test, report, and document medical investigations. They examine the cells, tissues, and fluids of the body using biochemical, pathological, and microscopic techniques. Most MLT courses covers these subjects: Biochemistry Clinical Haematology Immunohematology and Blood Banking Parasitology and Virology Pathology Microbiology Histopathology and Histotechniques Immunology and Serology Human Physiology PC Software Lab Communication Lab Human Anatomy Clinical Enzymology and Automation Principles of Lab Management and... Show more

A 70-year-old woman is brought to the emergency department by her spouse with complaints of shortness of breath and fever. Physical examination revealed a fever of 103°F, hypotension, and a diastolic murmur. History revealed a cardiac valve replacement 5 years earlier. Three consecutive blood cultures taken during febrile periods revealed gram-positive cocci that were catalase-positive and coagulase-negative. Which of the following organisms is the most likely cause?






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