Previous research have suggested a link between progression rates and cardiovascular outcomes,29,30 however the precise nature of the relationship remains a subject of ongoing study. Theoretically, regression involves reductions of the lipid, inflammatory, and necrotic the different parts of plaque, each which offers been implicated in plaque rupture. However intravascular ultrasonography remains a surrogate end point, and a decrease in plaque volume should not be interpreted as equivalent to a clinical advantage when it comes to preventing cardiovascular occasions.The health-care professional may request the following questions about the symptoms: What symptoms exist? When do they start? Is there a related fever? Is definitely sputum being brought up by coughing? Is the sputum or color-tinted? Will there be any blood tinge? Does the individual smoke? Is there a brief history of asthma or COPD? Does the patient take any inhalers or medications that are used to treat underlying illnesses? What has the patient done to treat the symptoms? Were these measures successful? The health-care professional may examine of the affected person`s top airways to look for signs of ear, nasal area, or throat infection including redness of the tympanic membranes , runny nose, and post nasal drip.