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Questions and Answers
What is the estimated transmission risk for receptive anal intercourse with ejaculation?
Which type of intercourse has the lowest estimated risk of HIV transmission?
What is the estimated risk of HIV transmission for needle-stick injury?
Which of the following has a higher estimated transmission risk than insertive anal intercourse (uncircumcised)?
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What is the estimated risk for circumcised insertive anal intercourse?
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Which method is emphasized for history taking in STI assessments?
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What is a key aspect of maintaining patient confidentiality during STI consultations?
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What should be included in a patient's sexual history during STI assessments?
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Why is it important to ask about a patient's vaccination history during STI evaluations?
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How should a clinician approach the subject of sexual partners in non-heteronormative relationships?
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What aspect of a patient's history helps in assessing risk during STI evaluations?
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What should clinicians avoid when discussing sexual history with patients?
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Which factor is crucial for encouraging patients to disclose sensitive information during STI assessments?
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Study Notes
Introduction & Approach
- Major pathogens pose a global public health threat and are often treatable if diagnosed early.
- Early intervention in treatment can prevent severe health outcomes.
- Some infections are preventable through vaccination.
- Education and behavioral change play crucial roles in prevention.
- Diagnosis requires a comprehensive approach, including patient history, physical examination, and lab tests.
History-Taking
- Approach history-taking with calmness, care, and respect for patient confidentiality.
- Establish trust by understanding the reason for the patient's visit (symptoms, concerns, potential exposure).
- Inquire about symptoms like discharge or ulceration, using proper anatomical terminology.
- Assess past STI history and current/recent partner details, avoiding colloquial language.
- Clarify forms of sexual intercourse and use of protection (condoms, dental dams).
- Ask about sexual practices during menstruation and vaccination history (e.g., HBV, HPV).
Risk Assessment for HIV Transmission
- Transmission risks vary significantly based on the type of sexual exposure:
- Receptive anal intercourse (RAI) has a transmission risk of 1/70, higher with ejaculation.
- Insertive anal intercourse (uncircumcised) carries a risk of 1/160; circumcised reduces risk to 1/900.
- Receptive vaginal intercourse (RVI) has a risk of 1/1250; insertive vaginal intercourse (IVI) at 1/2500.
- Receptive or insertive oral intercourse presents an extremely low, unquantified risk.
- Contaminated injecting equipment has a risk of 1/125.
- Needle-stick injuries have a risk of 1/440.
Additional History Considerations
- Inquire about the number of sexual partners over recent months/years.
- Assess if the patient has worked as a Commercial Sex Worker (CSW), as regular testing is required.
- Obtain information about partners from overseas or involvement in chem-sex scenarios.
- Discuss sensitive topics such as past sexual assaults or high-risk behaviors.
- Document general medical history, including drug allergies and reproductive history (miscarriages, terminations).
- Recognize that sexual activity is not limited to young people; older adults may also be sexually active.
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Description
This quiz covers the essentials of public health threats posed by major pathogens and the importance of early intervention in treating infections. It emphasizes the role of comprehensive history-taking in the diagnosis process, particularly in sexually transmitted infections (STIs). Test your knowledge on strategies for effective communication with patients and preventive measures.
