Articles

  • Disease

    Idiopathic hypersomnia

    Sleep patterns change with age, anxiety levels and many other factors. Normally, younger people have more concentrated periods of deep sleep compared to older people.

    Idiopathic hypersomnia is a sleep disorder in which a person is excessively sleepy (hypersomnia) during the day and has great difficulty being awakened from...

  • Disease

    Idiopathic pulmonary fibrosis

    Spirometry is a painless study of air volume and flow rate within the lungs. Spirometry is frequently used to evaluate lung function in people with obstructive or restrictive lung diseases such as asthma or cystic fibrosis.

    Idiopathic pulmonary fibrosis is scarring or thickening of the lungs without a known cause.

  • Disease

    Industrial bronchitis

    
Bronchitis is the inflammation of the bronchi, the main air passages to the lungs. It generally follows a viral respiratory infection. Symptoms include coughing, shortness of breath, wheezing and fatigue.

    Industrial bronchitis is swelling (inflammation) of the large airways of the lungs that occurs in some people who work around certain dusts, fumes, smoke, or...

  • Disease

    Interstitial lung disease

    Clubbing may result from chronic low blood-oxygen levels. This can be seen with cystic fibrosis, congenital cyanotic heart disease, and several other diseases. The tips of the fingers enlarge and the nails become extremely curved from front to back.

    Interstitial lung disease is a group of lung disorders in which the lung tissues become inflamed and then damaged.

  • Disease

    Irregular sleep-wake syndrome

    Symptoms of sleep-wake syndrome include irregular periods of sleep and wakefulness which disrupt the normal daily sleep-wake cycle. It may be caused by brain dysfunction or not following a normal sleep schedule, ultimately leading to a pattern of insomnia and frequent daytime napping.

    Irregular sleep-wake syndrome is sleeping without any real schedule.

  • Disease

    Isolated sleep paralysis

    Sleep patterns change with age, anxiety levels and many other factors. Normally, younger people have more concentrated periods of deep sleep compared to older people.

    Isolated sleep paralysis is a type of paralysis that occurs when a person just goes to sleep or upon waking from sleep. It is not associated with another...