Respiratory Monitoring in Critical Care Transport Flashcards

1
Q

What two conditions can cause the oxyhemoglobin dissociation curve to shift right?

A

The Bohr effect (right shift) can be caused by:

  • HbSS (sickle cell Hgb)
  • Sulf-Hb (sulfhemoglobin)
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2
Q

What conditions can cause the oxyhemoglobin dissociation curve to shift to the left?

A

Left shift (Haldane effect) can be caused by:

  • Met-Hb (methemoglobin - genetic, car exhaust, drugs)
  • Fetal Hgb
  • CO-Hb (carboxyhemoglobin)
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3
Q

What is the usual difference between EtCO2 and PaCO@?

A

EtCO2 is usually 2-5 mmHg lower than PaCO2

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