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Introduction: In this case scenario, all the elements of this case will be analysed to find out the cause of this specific patient's history. Once the diagnosis is established, the answers to the questions as to why treatment in such cases often break down and what are the underlying factors of such phenomena will be found out and discussed.
A bronchoscopy with BAL has revealed organisms that are consistent with Pneumocystis carinii (Kovacs et al., 2001, 2450-2460).
Analysis: His long-drawn disease is consistent with HIV infection that has turned into AIDS over last 2 months leading to most probably an opportunistic infection of the gastrointestinal tract leading to disturbing diarrhea associated with nausea and vomiting. His decreased leukocyte count and pulmonary infection with Pneumocystis carinii indicates opportunistic pulmonary infection that is very characteristic of immunodeficiency associated with AIDS and consequent diminished CD4 count (Newton et al., 2003, 185-186).
Thus the original disease that the patient is suffering is AIDS, the hallmark of which is immune deficiency. The treatment with antibacterial agents thus has a chance to break down. This has been ascribed to the profound deficiency in immune function that eventually develops in an infected individual. The virus, HIV suppresses immune function since this has a predilection to infect the immune system, and as a result of continued infection, these cells are eventually destroyed (Adler, 2001, 12-17).
The most significant targets of this virus are a subset of thymus derived lymphocytes ...
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