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It usually occurs after the inhalation of the gas beyond the threshold limit value. [1] Nitrogen dioxide is reddish-brown with a very harsh smell at high concentrations, at lower concentrations it is colorless but may still have a harsh odour. Nitrogen dioxide poisoning depends on the duration, frequency, and intensity of exposure.
Paroxysmal nocturnal dyspnea or paroxysmal nocturnal dyspnoea (PND) is an attack of severe shortness of breath and coughing that generally occurs at night. [1] It usually awakens the person from sleep, and may be quite frightening. [2]
Depending on the type and amount of irritant gas inhaled, victims can experience symptoms ranging from minor respiratory discomfort to acute airway and lung injury and even death. A common response cascade to a variety of irritant gases includes inflammation , edema and epithelial sloughing , which if left untreated can result in scar formation ...
Smoke inhalation is the breathing in of harmful fumes (produced as by-products of combusting substances) through the respiratory tract. [1] This can cause smoke inhalation injury (subtype of acute inhalation injury) which is damage to the respiratory tract caused by chemical and/or heat exposure, as well as possible systemic toxicity after smoke inhalation.
Irritants capable of causing chemical pneumonitis include vomitus, [2] barium used in gastro-intestinal imaging, chlorine gas (among other pulmonary agents), [2] ingested gasoline [2] or other petroleum distillates, ingested or skin absorbed pesticides, [2] gases from electroplating, [2] smoke [2] and others.
Pain, cough, and fever ensue—and so does a sharp or stabbing chest pain that’s worse with deep breathing or coughing, particularly if the left lung is infected. A pulmonary embolism is a blood ...
Acute bronchitis, also known as a chest cold, is short-term bronchitis – inflammation of the bronchi (large and medium-sized airways) of the lungs. [2] [1] The most common symptom is a cough. [1] Other symptoms include coughing up mucus, wheezing, shortness of breath, fever, and chest discomfort. [2] The infection may last from a few to ten ...
Sub-acute cough: Lasts three to eight weeks. Can lead patients to seek medical care because it disrupts sleep, work, and social life. Chronic cough: Lasts more than eight weeks. Requires medical ...