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Bronchiectasis is a disease in which there is permanent enlargement of parts of the airways of the lung. [5] Symptoms typically include a chronic cough with mucus production. [ 3 ] Other symptoms include shortness of breath , coughing up blood , and chest pain. [ 2 ]
Whether the bronchiectasis leads to the MAC infection or is the result of it is not always known. [ 10 ] The Mycobacterium avium complex (MAC) includes common atypical bacteria, i.e. nontuberculous mycobacteria (NTM), found in the environment which can infect people with HIV and low CD4 cell count (below 100/microliter); mode of infection is ...
Obstructive lung disease is a category of respiratory disease characterized by airway obstruction.Many obstructive diseases of the lung result from narrowing (obstruction) of the smaller bronchi and larger bronchioles, often because of excessive contraction of the smooth muscle itself.
Chronic obstructive pulmonary disease (COPD) is a type of progressive lung disease characterized by chronic respiratory symptoms and airflow limitation. [8] GOLD 2024 defined COPD as a heterogeneous lung condition characterized by chronic respiratory symptoms (dyspnea or shortness of breath, cough, sputum production or exacerbations) due to abnormalities of the airways (bronchitis ...
Areas of emphysema are abnormal, air-filled spaces that usually do not have visible walls, [5] and bullae are very thin walled (<1 mm). [2] Cystic bronchiectasis is irreversible bronchial dilation, which is permanent widening of the bronchioles (small airways) in the lung. [2]
Acute lung injury may cause pulmonary edema directly through injury to the vasculature and parenchyma of the lung, causes include: Inhalation of hot or toxic gases [12] (including vaping-associated lung injury) Pulmonary contusion, i.e., high-energy trauma (e.g. vehicle accidents) Aspiration, e.g., gastric fluid
Where air is flowing in a laminar manner it has less resistance than when it is flowing in a turbulent manner. If flow becomes turbulent, and the pressure difference is increased to maintain flow, this response itself increases resistance. This means that a large increase in pressure difference is required to maintain flow if it becomes turbulent.
Respiratory diseases, or lung diseases, [1] are pathological conditions affecting the organs and tissues that make gas exchange difficult in air-breathing animals. They include conditions of the respiratory tract including the trachea, bronchi, bronchioles, alveoli, pleurae, pleural cavity, the nerves and muscles of respiration.