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  • Plateau pressure

    The average pressure in the alveoli during the brief pause that follows an inhaled breath.  

  • Peak inspiratory pressure

    The maximum pressure in the lungs during inhalation.  

  • Partial pressure

    In a gas containing several different components, the pressure exerted by each component. The force applied by an individual gas within a gas mixture is referred to as its partial pressure. The partial pressure of a gas is directly related to its concentration in the overall mixture. According to Dalton’s law of partial pressure, the…

  • Opening pressure

    The pressure of the cerebrospinal fluid that is detected just after a needle is placed into the spinal canal. It is normally 100 to 180 mm H20.  

  • Negative pressure

    Any pressure less than that of the atmosphere, or less than that pressure to which the initial pressure is being compared. The suction force or the lack of pressure.  

  • Jugular venous pressure

    Back pressure exerted into the jugular veins from the right side of the heart. Evaluating the pressure within the internal jugular vein, which is among the three primary veins located on either side of the neck responsible for transporting deoxygenated blood to the right atrium of the heart. Increased jugular venous pressure can occur due…

  • Intraventricular pressure

    The pressure within the ventricles of the heart during different phases of diastole and systole.  

  • Intra-abdominal pressure

    Pressure within the abdominal cavity, such as that caused by descent of the diaphragm. Intra-abdominal pressure refers to the pressure within the abdominal cavity. This pressure increases during activities such as coughing, crying, and the exertion of pressure while straining during a bowel movement.  

  • Inspiratory pressure

    The pressure in the lungs during the inhalation of a breath.  

  • Filling pressure

    The average pressure in the atria or the ventricles at the end of diastole.  

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