45-year-old man with a 5 years history of HIV, his last CD4 count is 180. He has 1-week history of fever, dry cough and shortness of breath. On examination: T 38.9 HR 100/min, RR 26/min, Sp02 88% on room air. Respiratory exam revealed bilateral crepitation. Chest X ray revealed bilateral interstitial lung infiltrate. What Is the most likely organism of this patient presentation?
سؤال مجاني 10 من 10 اليوم · اشترك وكمّل بدون حد
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الإجابة والشرح
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الإجابة: E. pneumocystis Jirovecii
An HIV patient with a CD4 count below 200, dry cough, hypoxia and bilateral interstitial infiltrates has the classic picture of Pneumocystis jirovecii pneumonia. Strep pneumoniae is typical when CD4 >200, and MAC/cryptococcus need lower CD4 counts or a different presentation.
ليش كل خيار صح أو غلط
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A
ليش غلط
Cryptococcus causes meningitis in AIDS at CD4 below 100. This patient has a pulmonary picture and a CD4 of 180.
✓ all ID 🦠.pdf · p. 4 -
B
ليش غلط
Influenza is one of the viral causes of community-acquired pneumonia, but for an HIV patient with CD4 below 200 the lecture points to Pneumocystis jirovecii pneumonia.
✓ Pulmonology 🫁.pdf · p. 15 -
C
ليش غلط
Legionella is an atypical cause linked to hyponatremia, GI symptoms and CNS symptoms. None are described here, and an HIV patient with CD4 below 200 points to Pneumocystis.
✓ Pulmonology 🫁.pdf · p. 15 -
E
ليش صح
In HIV, PJP occurs when CD4 is below 200 (his is 180). His dry cough, fever, shortness of breath and bilateral infiltrates on chest X-ray fit it.
✓ all ID 🦠.pdf · p. 4
- المصدر
- Inefctious Diseases 🦠.pdf · p. 12
Pulmonology 🫁.pdf · p. 15 - المحاضرة
- HIV & Opportunistic Infections · Infectious Diseases · Module B
- ظهر في
- ID bank