The movement of air in and out of the lungs and airways causes a sound that we refer to as the breathing sounds or respiratory sounds. When inhaling, the air flowing from the environment into the lungs or mouth, down the airways and to the lungs is known as the inspiratory or inhalation respiratory sound. Air flowing out >> Read More ...
What is farmer’s lung? Farmer’s lung is an inflammatory disorder of the lung caused by an immune reaction. It is not an infection but more of an allergic reaction. Farmer’s lung is one type of hypersensitivity pneumonitis associated with an occupational hazard. In farmer’s lung, the reaction arises >> Read More ...
Cigarette smoking is one of the most dangerous lifestyle habits yet in 1 in 5 American adults are smokers. Fortunately the number of smokers has declined since the 1970s but cigarette smoking continue to be a major contributor to a host of diseases, several of which are life threatening. Understanding how cigarette smoking >> Read More ...
The lungs are the largest organs in the chest (thoracic) cavity. Most of us associate chest pain on the sides with the lungs. Central chest pain is thought to be due to the heart. However, this is not always the case. The lungs extends from the sides to the center of the chest. Therefore lung pain can be felt anywhere in >> Read More ...
Pus is a fluid that forms in and around infected tissue. It consists of dead immune cells, tissue particles and bacteria. Sometimes this pus may be walled off in an isolated area. We refer to this as an abscess. At other times the pus may exist in cavities and around organs. This is known as an empyema. Both an abscess and >> Read More ...
Discover how respiratory illness contagiousness happens through droplets, airborne particles, and surface contact. Picture yourself standing in a busy grocery store aisle. You hear someone sneeze, and you immediately wonder—did I just breathe in harmful particles? This simple scenario shows how easy it can be for >> Read More ...
Learn how to perform chest compressions for circulation in emergencies. Save lives with expert steps—act now, read our guide. Cardiac arrest is a terrifying emergency. The heart stops beating, cutting off blood flow to vital organs. Without quick action, death can occur within minutes. Knowing how to perform chest >> Read More ...
Uncover what causes rising tuberculosis cases in children. Protect kids now—read our expert guide! Tuberculosis (TB) is surging among children. This growing threat endangers young lives globally. Knowing what causes rising tuberculosis cases in children is critical to stopping it. We agree that TB’s rise in kids is >> Read More ...