A 29-year-old woman with HIV infection and a CD4 cell count of 633/uL, has fever, productive cough, and progressive shortness of breath for 5 days. Her chest x-ray shows a left lower lobe infiltrate Which of the following is the most likely causative organism?
سؤال مجاني 3 من 10 اليوم · اشترك وكمّل بدون حد
اعرض الإجابة
الإجابة والشرح
ادخل لحسابك عشان نحفظ إجاباتك ونوريك أخطاءك.
الإجابة: D. Streptococcus pneumoniae
With a CD4 count of 633 (above 200), the most common pneumonia organism in an HIV patient is still Streptococcus pneumoniae, which fits the acute productive cough and lobar infiltrate. Pneumocystis is expected when CD4 falls below 200.
ليش كل خيار صح أو غلط
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A
ليش غلط
Mycoplasma is an atypical pathogen (slow onset, dry cough, often bilateral); with CD4 above 200 the most common organism is S. pneumoniae.
✓ Pulmonology 🫁.pdf · p. 15 -
B
ليش غلط
Legionella is linked to hyponatremia, GI and CNS symptoms, none of which this patient has; with CD4 above 200 S. pneumoniae is the most common organism.
✓ Pulmonology 🫁.pdf · p. 15 -
C
ليش غلط
Pneumocystis jirovecii pneumonia is expected when CD4 is below 200; her CD4 is 633.
✓ Pulmonology 🫁.pdf · p. 15 -
D
ليش صح
In an HIV patient with CD4 above 200 (here 633), Streptococcus pneumoniae is the most common pneumonia organism.
✓ Pulmonology 🫁.pdf · p. 15
- المصدر
- Pulmonology 🫁.pdf · p. 15
- المحاضرة
- Pneumonia · Pulmonology · Module B
- ظهر في
- Respi bank