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Questions and Answers
What is the most common opportunistic infection in HIV patients?
What is the most common opportunistic infection in HIV patients?
- Candida
- Aspergillus
- Toxoplasma
- Pneumocystis jiroveci (correct)
How was Pneumocystis jiroveci initially classified?
How was Pneumocystis jiroveci initially classified?
- Virus
- Fungus
- Bacterium
- Protozoal (correct)
What is a characteristic of Pneumocystis jiroveci infection in immunosuppressant individuals?
What is a characteristic of Pneumocystis jiroveci infection in immunosuppressant individuals?
- Limited to a single site of infection
- Rapid deterioration and multifocal involvement (correct)
- Gradual progression of symptoms
- Responsive to known treatments
What is a common symptom of Pneumocystis jiroveci infection in HIV patients?
What is a common symptom of Pneumocystis jiroveci infection in HIV patients?
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What type of pneumonia is caused by Pneumocystis jiroveci infection?
What type of pneumonia is caused by Pneumocystis jiroveci infection?
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Study Notes
Pneumocystis jiroveci
- Most common opportunistic infection in HIV patients
History of Pneumocystis jiroveci
- Initially thought to be a protozoan, but reclassified as a fungus based on genomic material studies
Mechanism of Infection
- Causes severe pneumonia, leading to rapid respiratory failure
- Presents with dyspnea and cough, progressing to cyanosis and respiratory failure
Infections in Immunocompetent vs Immunocompromised Individuals
Immunocompromised Individuals
- Opportunistic infection
- Rapid deterioration (days) leading to respiratory failure
- Unresponsive to known treatments
- Multifocal, causing interstitial pneumonia
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