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Oxygen-free radicals are generated which, in turn, lead to further lung damage. Patients may remain asymptomatic after acid aspiration. Others may develop dyspnea, pleuritic chest pain, cough, fever, bloody or frothy sputum, and respiratory failure. Aspiration pneumonia may develop. [4]
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.
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.
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 ...
Smoking. Gastroesophageal reflux disease (GERD) ... chest pain, body aches, are coughing so hard it forces you to vomit, or you’re coughing up blood, Dr. Ascher says it’s important to contact ...
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.
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 ...
Cough, fever with shivering, and night sweats are often present. Cough can be productive of foul-smelling, purulent mucus (≈70%) or less frequently with blood in one-third of cases. [ 3 ] Affected individuals may also complain of chest pain, shortness of breath , lethargy , and other features of chronic illness.