4.6 of 9 Ratings
A middle-aged homeless male is brought to the emergency department for alcohol withdrawal. He is a poor historian who cannot recall any of his past medical history. Testing reveals that the patient is HIV positive. Notably, physical exam reveals the following skin rash on the patient’s bilateral palms (Figure A), and a lesion on the patient’s tongue (Figure B). Given these findings, RPR/VDRL tests are performed and return as non-reactive. A biopsy of the skin lesion yields the following organism on dark-field microscopy (Figure C). What is the explanation for the patient’s negative RPR/VDRL tests?
The patient’s symptoms are actually a result of his HIV infection
Antibody excess leading to an imbalance of the antibody to antigen ratio
Lower sensitivity of the test during the early stages of infection
Effects of alcohol on the test reactivity
Effects of HIV infection on the test reactivity
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A 26-year-old immigrant from Mexico presents to your clinic for a physical. He tells you that several weeks ago, he noticed a lesion on his penis which went away after several weeks. It was nontender and did not bother him. He currently does not have any complaints. His temperature is 97.9°F (36.6°C), blood pressure is 139/91 mmHg, pulse is 87/min, respirations are 14/min, and oxygen saturation is 98% on room air. Physical exam is unremarkable and shows no evidence of any rash. A VDRL and FTA-ABS test are both positive. What is the most appropriate management of this patient?
Azithromycin and ceftriaxone
No treatment indicated