What Does a Sloped Upstroke on a Capnogram Indicate?
Prolongation or Slanting of the Expiratory Upstroke Phase Ii Occurs When There Is Obstruction to Expiratory Gas Flow (E. G. , Asthma, Bronchospasm, Obstructive...
Prolongation or slanting of the expiratory upstroke phase II occurs when there is obstruction to expiratory gas flow (e.g., asthma, bronchospasm, obstructive pulmonary disease, and kinked endotracheal tube,1-9 or in the presence of leaks in the breathing system.
What does a flat plateau on a Capnogram indicate?
The waveform reflects an elevation of baseline, as well as the plateau, indicating incomplete exhalation. The CO2 is not being appropriately removed. This is often due to insufficient expiratory time, inadequate inspiratory flow, or faulty expiratory valve.
What is respiratory upstroke?
NORMAL CAPNOGRAM
Phase I (inspiratory baseline) reflects inspired gas, which is normally devoid of carbon dioxide. Phase II (expiratory upstroke) is the transition between VDana, which does not participate in gas exchange, and alveolar gas from the respiratory bronchioles and alveoli.
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