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  • Shallow breathing

    Breathing in which the volume of inspired and expired air is diminished (e.g., 200 ml per breath in adults). It is common in elderly patients, patients with rib or pleural pain, or restrictive lung diseases.  

  • Pursed-lip breathing

    An expiratory maneuver in which the patient exhales through puckered lips to slow expiratory flow and to create slight back pressure. This action may prevent premature closure of intrapulmonary airways, especially in the patient with chronic obstructive lung disease.  

  • Periodic breathing

    An irregular respiratory pattern marked by alternating periods of rapid and slow respirations and by apneic periods lasting 15 sec or less.  

  • Kussmaul breathing

    A very deep, repetitive, gasping respiratory pattern associated with profound acidosis (e.g., diabetic ketoacidosis). Kussmaul’s respiration may be a sign of impending death.  

  • Inspiratory resistive breathing

    Inspiration with an added workload to increase the strength and endurance of the inspiratory muscles.  

  • Glossopharyngeal breathing

    A technique of breathing in which the patient with inspiratory muscle weakness increases the volume of air breathed in by taking several “gulps” of air, closing the mouth, and forcing air into the lungs.  

  • Frog breathing

    A respiratory pattern in which the air in the mouth and pharynx is forced into the lungs by gulping and swallowing it. This may be observed in patients whose respiratory muscles are weak or paralyzed.  

  • Continuous positive-pressure breathing

    A method of mechanically assisted pulmonary inflation. A device administers air or oxygen to the lungs under a continuous pressure that is always greater than zero.  

  • Ataxic breathing

    An irregular, uncoordinated breathing pattern common in infants.  

  • Asthmatic breathing

    Harsh breathing with prolonged wheezing heard throughout expiration.  

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