Category: I

  • Interstitial myositis

    Myositis with hyperplasia of connective tissue.  

  • Index myopia

    Myopia resulting from abnormal refractivity of the media of the eye.  

  • Intensive care myopathy

    Muscular flaccidity occurring in patients undergoing treatment for life-threatening illnesses, most often those who have received high doses of steroids, or paralytic drugs, or both. The condition may result in failure to wean the patient from mechanical ventilation.  

  • Internal intercostal muscle

    The muscles between the ribs, lying beneath the external intercostals. During expiration, they pull the ribs downward and inward, decreasing the volume of the chest cavity and contributing to a forced exhalation.  

  • Iliacus muscle

    A muscle of the hip and thigh originating on the iliac fossa and inserted (with the psoas major, forming the iliopsoas) in the lesser trochanter of the femur. The psoas major and the iliacus flex and laterally rotate the thigh. If the thigh is fixed, the iliacus flexes the trunk at the hip. The iliacus…

  • Independent living movement

    A collective term for societal programs that support a philosophy of full participation, self-reliance, and social integration of people with functional impairment. Emphasis on self-help, environmental accessibility, freedom of choice, and programs to enable community living characterize this movement.  

  • Impedance monitor

    A device used to detect variations in respiratory rate and volume. It measures changes in the electrical impedance of the chest as the patient breathes. It may be used in intensive care units to monitor critically ill patients or in private residences to detect apnea, especially in sleeping infants.  

  • Impacted molar

    A tooth that is unable to erupt into its place in normal occlusion, typically because there is not enough space in the dental arch to accept it. This condition is commonly related to the third molar (wisdom tooth).  

  • Impaired wheelchair mobility

    Limitation of independent operation of wheelchair within one’s environment.  

  • Impaired bed mobility

    Limitation of independent movement from one bed position to another.