List of terms of lung size and activity
Encyclopedia
Following are terms that specify a type of lung size and/or activity. More specific definitions may be found in individual articles.
  • Eupnea
    Eupnea
    In the human respiratory system, eupnea or eupnoea is normal, good, unlabored ventilation, sometimes known as quiet breathing or resting respiration...

     - normal breathing
  • Apnea
    Apnea
    Apnea, apnoea, or apnœa is a term for suspension of external breathing. During apnea there is no movement of the muscles of respiration and the volume of the lungs initially remains unchanged...

     - absence of breathing
  • Bradypnea
    Bradypnea
    Bradypnea refers to an abnormally slow breathing rate...

     - decreased breathing rate
  • Dyspnea
    Dyspnea
    Dyspnea , shortness of breath , or air hunger, is the subjective symptom of breathlessness.It is a normal symptom of heavy exertion but becomes pathological if it occurs in unexpected situations...

     or shortness of breath - sensation of respiratory distress
  • Hyperaeration/Hyperinflation - increased lung volume
  • Hyperpnea
    Hyperpnea
    Hyperpnea or hyperpnoea is increased depth of breathing when required to meet metabolic demand of body tissues, such as during or following exercise, or when the body lacks oxygen , for instance in high altitude or as a result of anemia....

     - fast and deep breathing
  • Hyperventilation
    Hyperventilation
    Hyperventilation or overbreathing is the state of breathing faster or deeper than normal, causing excessive expulsion of circulating carbon dioxide. It can result from a psychological state such as a panic attack, from a physiological condition such as metabolic acidosis, can be brought about by...

     - increased breathing that causes CO2 loss
  • Hypopnea - slow and shallow breathing
  • Hypoventilation
    Hypoventilation
    In medicine, hypoventilation occurs when ventilation is inadequate to perform needed gas exchange...

     - decreased breathing that causes CO2 gain
  • Labored breathing
    Labored breathing
    Labored respiration or labored breathing is an abnormal respiration characterized by evidence of increased effort to breathe, including the use of accessory muscles of respiration, stridor, grunting, or nasal flaring.-Classification:...

     - physical presentation of respiratory distress
  • Tachypnea
    Tachypnea
    Tachypnea means rapid breathing. Any rate between 12-20 breaths per minute is normal. Tachypnea is a respiration rate greater than 20 breaths per minute. - Distinction from other breathing terms :...

     - increased breathing rate
  • Orthopnea - Breathlessness in lying down position relieved by sitting up or standing
  • Platypnea
    Platypnea
    In medicine, platypnea refers to shortness of breath that is relieved when lying down, and worsens when sitting or standing up. It is the opposite of orthopnea...

     - Breathlessness when seated or standing, relieved by laying flat
  • Trepopnea
    Trepopnea
    Trepopnea is dyspnea that is sensed while lying on one side but not on the other. It results from disease of one lung, one major bronchus, or chronic congestive heart failure. Patients with trepopnea from lung disease prefer to lie on the opposite side of the diseased lung, as the gravitation...

     - Breathlessness when laying flat relieved by laying in the left lateral position
  • Ponopnea - Painful breathing

See also

  • Control of respiration
    Control of respiration
    Control of ventilation refers to the physiological mechanisms involved in the control of physiologic ventilation. Gas exchange primarily controls the rate of respiration.The most important function of breathing is gas exchange...

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