NURSING MISC Respiratory Chapters 27-28; 30-32 Neu
NURSING MISC Respiratory Chapters 27-28; 30-32 Neu
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NURSING MISC Respiratory Chapters 27-28; 30-32 Neurologic Control of Ventilation
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NURSING MISC Respiratory Chapters 27-28; 30-32 Neu
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NURSING MISC Respiratory Chapters 27-28; 30-32 Neu
Respiratory
Chapters 27-28; 30-32
Fall 2017
Shannon Muhlenkamp, MSN, RN, CCRN
Neurologic Control of Ventilation
•Central chemoreceptors (medulla)- CO2 in the CSF
•Peripheral chemoreceptors (aortic arch)- to PaO2
•COPD switches control to peripheral receptors.
Arterial Saturation of Ox...
nursing misc respiratory chapters 27 28 30 32 neurologic control of ventilation
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FDXCNYT
Respiratory
Chapters 27-28; 30-32
Fall 2017
Shannon Muhlenkamp, MSN, RN, CCRN
, Neurologic Control of Ventilation
•Central chemoreceptors (medulla)- CO2 in the CSF
•Peripheral chemoreceptors (aortic arch)- to PaO2
•COPD switches control to peripheral receptors.
, Arterial Saturation of Oxygen
(SaO2)
•Partial Pressure is the pressure exerted in the
mixture of gases (proportional to the amount)
•Oxygen dissolves in the plasma (free) or
combines/saturates Hgb (oxyhemoglobin)
•Pulse Oximetry
•PaO2 compared to SaO2
, Hypoxemia
• Hypoxemia - ↓ in arterial oxygen in blood
What does the respiratory rate do to
compensate for hypoxemia? What would
that do to the ABG?
• Hypoxia- Decrease in the oxygen supply to
the tissues (paO2 <70; paO2 60 for COPD)
• Inadequate oxygen supply or cardiac output
• Adequacy of sat monitors
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