A 53 yo man with history of alcoholism si brought to the ED by police after having been found lying on the street. He has multiple lesions on his body, bud denies being involved in a fight. Physical exam shows multiple ecchymoses on the extremities and thorax and hemorrhages around hair folliceles. His BMI is 16. What vitamin is he likely deficient for that is responsible for these findings?

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1. A 53 yo man with history of alcoholism si brought to the ED by police after having been found lying on the street. He has multiple lesions on his body, bud denies being involved in a fight. Physical exam shows multiple ecchymoses on the extremities and thorax and hemorrhages around hair folliceles. His BMI is 16. What vitamin is he likely deficient for that is responsible for these findings?

1. Toxic shock syndrome: classic findings: hypotension, diarrhea and a desquamatin rash. 2. Staphylococcus aureus 3. Staphylococcus aureus is a gram positive, catalase positve, caugulase positive coccus * remember catalase positive = has enzyme catalase that breaks down hydrogen peroxide into water and oxygen. * Remember coagulase positive = ability to convert fibrinogen to fibrin. 4. Clinamycin + vancomycin
AB2M
1. How well a test identifies person who do not have the disease in question. sooo Specificity = (True negatives) / (True negatives + false positives) 2. Sensitivity = (True positive ) / (TP +FN)
Vitamin C: Needed for hydroxylatin of proline residues on collagen. This man has scurvy. As suggested by perifollicular hemorrhages, ecchymoses.

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