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The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. [1] It is considered the official classification of headaches by the World Health Organization , and, in 1992, was incorporated into the 10th edition of their ...
One of the most common causes is Staphylococcus aureus and often follows a recent viral upper respiratory infection. Bacterial tracheitis is a rare complication of influenza infection. [ 4 ] It is the most serious in young children, possibly because of the relatively small size of the trachea that gets easily blocked by swelling.
The density of the breathing gas is higher at depth, so the effort required to fully inhale and exhale increases, making breathing more difficult and less efficient (high work of breathing). [13] [3] [18] Higher gas density also causes gas mixing within the lung to be less efficient, thus increasing the effective dead space. [4] [5]
Hyperventilation syndrome (HVS), also known as chronic hyperventilation syndrome (CHVS), dysfunctional breathing hyperventilation syndrome, cryptotetany, [1] [2] spasmophilia, [3] [4] [5] latent tetany, [4] [5] and central neuronal hyper excitability syndrome (NHS), [3] is a respiratory disorder, psychologically or physiologically based, involving breathing too deeply or too rapidly ...
The underlying cause is unclear. Some believe the pain may be from the chest wall or irritation of an intercostal nerve. [1] [2] Risk factors include psychological stress. [2] The pain is not due to the heart. Diagnosis is based on the symptoms. Other conditions that may produce similar symptoms include angina, pericarditis, pleurisy, and chest ...
Psychogenic causes of chest pain can include panic attacks; however, this is a diagnosis of exclusion. [12] In children, the most common causes for chest pain are musculoskeletal (76–89%), exercise-induced asthma (4–12%), gastrointestinal illness (8%), and psychogenic causes (4%). [13] Chest pain in children can also have congenital causes.
Chest cold: Figure A shows the location of the lungs and bronchial tubes. Figure B is an enlarged view of a normal bronchial tube. Figure C is an enlarged view of a bronchial tube with bronchitis. Specialty: Pulmonology: Symptoms: Cough with sputum, wheezing, shortness of breath, fever, chest discomfort [1] [2] Duration: Up to 6 weeks [3] Causes
Pain. Pneumothorax, or buildup of air in the pleural space, with a collapsed or partially collapsed lung. Sometimes air comes in through the needle or the needle makes a hole in the lung. Usually, a hole seals itself—but sometimes air builds up around the lung and makes it collapse. A chest tube removes the air and lets the lung expand again.