1.4 Chemical Determination. Proteins are complex, organic compounds composed of many amino acids linked together through peptide bonds and cross-linked between chains by sulfhydryl bonds, hydrogen bonds and van der Waals forces.
Common causes of pleurisy include trauma, postcardiac injury, infection (i.e., viral, bacterial, or parasitic), respiratory illness, caustic exposure (i.e., drug-induced), autoimmune disease, and malignancy (TABLE 1).
Many conditions can cause pleurisy. Viral infections are likely the most common cause. Other causes of pleurisy include: Bacterial infections, such as pneumonia (nu-MO-ne-ah) and tuberculosis, and infections from fungi or parasites.