Hypersensitivity pneumonitis

Hypersensitivity pneumonitis
Definition
Hypersensitivity pneumonitis is inflammation of the lungs due to breathing in a foreign substance, usually certain types of dust, fungus, or molds.

Hypersensitivity pneumonitis
Alternate Names : Extrinsic allergic alveolitis, Farmer's lung, Mushroom picker's disease, Humidifier or air-conditioner lung, Bird breeder's lung
Definition ...

What is hypersensitivity pneumonitis and what causes it?
Hypersensitivity pneumonitis is an inflammation of the lung (usually of the very small airways) caused by the body's immune reaction to small air-borne particles.

Hypersensitivity pneumonitis has clinical similarities to other disorders that have different pathophysiologies.

Acute Hypersensitivity Pneumonitis
With acute HP, symptoms usually occur within 2-9 hours of exposure to an antigen you're sensitive to. (An antigen is a substance that your body reacts against, such as molds, dusts, and chemicals.) ...

Hypersensitivity pneumonitis or extrinsic allergic alveolitis is a widespread disease of the lungs, involving inflammation in both the small airways of the lung and the alveoli (air sacs).

Hypersensitivity pneumonitis. This type of pneumonitis is nicknamed "farmer's lung," "mushroom picker's disease" and other colorful names with good reason.

Hypersensitivity Pneumonitis: A…
Related Articles Hypersensitivity pneumonitis: a historical, clinical, and radiologic review… more…
Presenting Features of Feather Duvet… ...

hypersensitivity pneumonitis
Hypersensitivity pneumonitis is a lung disease caused by the inhalation of fungus spores from moldy hay, bird droppings, and other organic dusts.

Hypersensitivity pneumonitis is an inflammation of the lung (usually of the very small airways) caused by the body's immune reaction to small air-borne particles. These particles can be bacteria, mold, fungi, or even inorganic.

Hypersensitivity pneumonitis
Aspergillosis precipitin is a laboratory test to detect antibodies in the blood resulting from exposure to the fungus Aspergillus.
How the Test is Performed ...

Hypersensitivity pneumonitis is an immune reaction to antigens found on a variety of inhaled agents small enough to enter the terminal airways in the lungs (bronchioles and alveoli).

Hypersensitivity pneumonitis occurring in workers who wash the mold from cheeses during the aging process, caused by inhalation of spores of Penicillium from moldy cheese casings. [Dorland]
Cheese Washer's Lung
Cheese Handler's Lung ...

Definition Hypersensitivity pneumonitis refers to an inflammation of the lungs caused by repeatedbreathing in of a foreign substance, such an organic dust, a fungus, or a mold.

AllRefer Health - Hypersensitivity Pneumonitis (Bird Breeder's Lung, Extrinsic Allergic Alveolitis, Farmer's Lung, Humidifier or Air-Conditioner Lung, Mushroom Picker's Disease)
3:
Allergies ...

Hypersensitivity pneumonitis
Hypersplenism
Hypertensive heart disease
Hypertensive intracerebral hemorrhage
Hypertensive retinopathy
Hyperthyroidism
Hypertrophic cardiomyopathy
Hyperviscosity - newborn
Hypervitaminosis A
Hypervitaminosis D ...

Hypersensitivity Pneumonitis
Hypersensitivity Vasculitis
Hypersplenism
Hypertelorism with Esophageal Abnormalities and Hypospadias
Hypertelorism-Hypospadias Syndrome
hypertelorism-hypospadius syndrome (obsolete) ...

It may also be seen in emphysema, chronic obstructive pulmonary disease and asthma, and in some infiltrative lung diseases such as hypersensitivity pneumonitis and sarcoidosis.

Respiratory conditions include hypersensitivity pneumonitis (HP), chronic bronchitis, impaired lung function, and asthma.

Hypersensitivity Pneumonitis (HSP)
Idiopathic Pulmonary Fibrosis
Interstitial lung disease
Systemic lupus erythematosus (Lupus lung)
Lymphocytic Interstitial Pneumonia (LIP)
Mixed connective tissue disease ...

Allergic reactions -- asthma, hypersensitivity pneumonitis, or eosinophilic pneumonia
Alveolar hemorrhage (bleeding into the lung air sacks)
Bronchitis
Drug-induced lupus erythematosus
Granulomatous lung disease -- a type of tumor in the lungs ...

Pauli's hypersensitivity pneumonitis ... respiratory failure
Persistent Vegetative State ... pneumonia
Pierre Robin Sequence ... breathing difficulty
Pierre Robin's sequence ...

Fusobacterium necrophorum, Gastroenteritis Virus, Porcine Transmissible, Guaiphenesin Carbamate, Health Service Gatekeeper, Hemoglobin, Glycosylated A1a 1, Hemorrhagic Rectocolitides, Herpes Zoster, Geniculate, Hypersensitivity Pneumonitis, Avian, ...

Hypersensitivity pneumonitis
Sarcoidosis
Eosinophilic granuloma (a.k.a. Langerhan's cell histiocytosis)
Chronic eosinophilic pneumonia
Pulmonary vasculitis
Pulmonary hemorrhage syndromes
Bronchiolitis obliterans
Lymphangioleiomyomatosis ...

Weak antibodies may indicate an early fungal infection or a condition called hypersensitivity pneumonitis.

This is a type of Diffuse Parenchymal Lung Disease with an allergic cause, also known as Hypersensitivity Pneumonitis. Examples include Farmer's Lung caused by allergic sensitivity to dust from mouldy hay, Bird Fancier's Lung and Metal Worker's Lung.

Clinical manifestations include hypersensitivity pneumonitis (alveolitis, extrinsic allergic), allergic rhinitis (rhinitis, allergic, perennial), asthma, infections, skin eruptions, and mucous membrane irritation syndromes.

Cardiopulmonary: cardiac arrest; shock; cardiac failure; pulmonary edema; hypersensitivity pneumonitis; arrhythmias, including ventricular fibrillation; dyspnea; hypertension.
Dermatologic: rash, in particular maculopapular; pruritus.

Bagassosis, an interstitial lung disease, is a type of hypersensitivity pneumonitis attributed to exposure to molasses (bagasse).
Source: Wikipedia
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Most interstitial lung diseases are diagnosed as pneumoconiosis, a drug-induced disease, or hypersensitivity pneumonitis. The other types are:
sarcoidosis
idiopathic pulmonary fibrosis ...

Allergic Interstitial Pneumonitis
Extrinsic Allergic Pneumonia
Hypersensitivity Pneumonitis
Disorder Subdivisions ...

Pneumoconiosis (Asbestosis, Baritosis, Bauxite fibrosis, Berylliosis, Caplan's syndrome, Chalicosis, Coalworker's pneumoconiosis, Siderosis, Silicosis, Talcosis, Byssinosis)
Hypersensitivity pneumonitis (Bagassosis, Bird fancier's lung, ...

These include carbon monoxide poisoning, asthma, hypersensitivity pneumonitis, and upper respiratory infections.

Hypersensitivity pneumonitis
Hyperserotonemia
Hypersomnia - idiopathic
Hypersplenism
Hypertension
Hypertension - essential
Hypertension - malignant
Hypertension - medication related
Hypertension - renovascular
Hypertensive heart disease ...

See also: Hypersensitivity, Pneumonitis, Lung Disease, Symptom, Fibrosis