Vital signs
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Vital Signs. Pulse Oximetry. Bellringer. Think back to the last time you or a family member went to see a doctor. What vital signs ( temperature, oxygen level, blood pressure, pulse rate, respirations ) did they take? How were these obtained? (with a machine or nurse take manually)

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Vital Signs

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Vital signs

Vital Signs

Pulse Oximetry


Bellringer

Bellringer

  • Think back to the last time you or a family member went to see a doctor.

  • What vital signs ( temperature, oxygen level, blood pressure, pulse rate, respirations ) did they take?

  • How were these obtained? (with a machine or nurse take manually)

  • How did the caregiver explain the procedure and results?


Vital signs1

Vital Signs

  • Are our signs of life. They are the indicators that tell how the body is functioning.

  • Normal vital signs (vs) –the body is considered to be in homeostasis.

  • Vital signs include

    Temperature, pulse, respiratory rate, blood pressure and pulse oximetry.


Pulse oximetry

Pulse Oximetry

  • The pulse oximeter is an electronic device that determines the oxygen (O2 ) concentration in the hemoglobin of the arterial blood.

  • This oximeter has a light beam that passes through the tissue (usually a finger, toe, earlobe, nose, or forehead).

  • O2 content and pulse rate are displayed on the monitor.


O2 concentration

O2 Concentration

  • O2 Concentration level is documented as SpO2.

  • Normal range is 95-100% on room air. (Room air is 20 % oxygen.

  • When SpO2 level is below 90% ,the tissues do not have enough oxygen to funtion. Lack of O2 can lead to brain damage in 4-6 minutes.


Possible causes for low spo2 levels

Possible Causes for Low SpO2 Levels

  • Poor Circulation

  • Cold extremities (blue looking fingers)

  • Dark nail polish/ or Artificial nails

  • Weak pulse

  • Patient is in respiratory distress due to illness or injury.

  • Chronic respiratory patients ( COPD, Lung Cancer, etc.)

  • Cardiac patients (some congenital cardiac defects will have a low SpO2 level as their normal level)


Signs of o2 shortage

Signs of O2 Shortage

  • Rapid and shallow respirations

  • Rapid pulse

  • Restlessness or confusion

  • Cyanosis –bluish discoloration of the skin

  • Hypoxia-deficiency of O2

  • Lack of O2 can cause brain damage in 4-6 minutes.


Treatment for deficient o2 level

Treatment for Deficient O2 Level

  • Physician’s order required for administration of O2.

  • Includes method of administration and concentration to be given.

  • May be started in emergency situations and MD notified.

  • A patient with low O2 level needs supplemental oxygen.


Summary

Summary

  • Vital signs are our signs of life. (Temperature, pulse, respiratory rate, blood pressure and oxygen saturation level)

  • O2 level is measured using a pulse oximeter.

  • The SpO2 is the is the oxygen concentration in the hemaglobin of the arterial blood.

  • There are numerous reasons for a low SpO2. Brain Damage can occur with lack of O2 for 4-6 minutes.

  • Supplemental oxygen is the treatment for a patient with low oxygen level.


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