Investigations and diagnosis

The laboratory investigation of AIDS covers three broad areas:

1. Tests for HIV infection:

e.g. enzyme linked immunosorbent assay (ELISA); Western blot technique (used for confirmation)

2. Tests of immune function:

o CD4+ lymphocyte counts—the strongest predictor of possible clinical manifestations of

HIV infection o Low CD4+ cells (counts < 500 cells/^L) = defective cell immunity 15

o Counts < 200 cellsAL = severe immunodeficiency

3. Viral load: a measure of serum level of RNA of HIV virus—correlates with progression to AIDS and death

4. Tests for opportunistic infections and other problems: e.g. other STDs, EBV, CMV, hepatitis, Mantoux test

Dealing With Back Pain

Dealing With Back Pain

Deal With Your Pain, Lead A Wonderful Life An Live Like A 'Normal' Person. Before I really start telling you anything about me or finding out anything about you, I want you to know that I sympathize with you. Not only is it one of the most painful experiences to have backpain. Not only is it the number one excuse for employees not coming into work. But perhaps just as significantly, it is something that I suffered from for years.

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