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.
Viral infection is probably the most common cause of pleurisy. Other causes include the following: Lung infections, such as pneumonia and tuberculosis; Diseases such as systemic lupus erythematosus (lupus), rheumatoid arthritis, cancer, liver diseases and pulmonary embolism; Chest injuries; Drug reactions; Pleurisy and pleural effusion are generally only as serious as the underlying disease causing it. If you have any of these conditions, you may already be undergoing treatment for the underlying disease; if not, seek medical attention immediately. A pleural effusion can occur without pleurisy. Kidney disease, heart failure and liver disease can cause pleural effusion without inflammation or pain. What are the symptoms of pleurisy? Symptoms of pleurisy include the following:
What is pleurisy? Pleurisy is inflammation of the pleura membrane covering the lungs. Pleurisy is also known as pleuritis and can cause chest pain with breathing. Part of a doctor's diagnosis of pleurisy is listening to the chest to check for a distinctive dry and crunching sound with each breath. Seek medical advice about pleurisy if symptoms donât improve or if they get worse after around 3-5 days.