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Respiratory Formulas, Calculations, and Equations – The Ultimate Video Guide!
I bet when you signed up for Respiratory Therapy School, you probably were not expecting to do much math, am I right?
Because, I mean, this is a healthcare program that teaches you how to care for patients with cardiopulmonary disorders. How much math could there possibly be? Well if you're like me, you were probably pretty shocked to find out that there are several formulas, calculations, and equations that you're required to know.
If I'm being honest, I was not very pleased to find this out. But, with that said, I have some good news. Most of the calculations that you will have to do are very simple, If, that is, here's the key. They're simple as long as you know the formula. If you know the formulas, the math is very simple because all you have to do is plug the numbers in and work it out. In this video, we're simply going to cover all the formulas that you'll see in Respiratory Therapy School. Some are harder than others but most are very simple.
💡Examples of Respiratory Therapy Formulas:
Minute Ventilation (VE)
VE = Respiratory Rate x Tidal Volume
Alveolar Minute Ventilation (VA)
VA = Respiratory Rate x (Tidal Volume – Deadspace)
Airway Resistance (Raw)
Raw = (PIP – Plateau pressure) / Flow
Mean Airway Pressure (Paw)
Paw = ((Inspiratory Time x Frequency) / 60) x (PIP – PEEP) + PEEP
Work of Breathing (WOB)
WOB = Change in Pressure x Change in Volume
Alveolar-Arterial Oxygen Tension Gradient (P(A-a)O2)
P(A-a)O2 = PAO2 – PaO2
Alveolar Oxygen Tension (PAO2)
PAO2 = (PB – PH2O) x FiO2 – (PaCO2 / 0.8)
Arterial/Alveolar Oxygen Tension (a/A) Ratio
(a/A) Ratio = PaO2/PAO2
Arterial Oxygen Content (CaO2)
CaO2 = (Hb x 1.34 x SaO2) + (PaO2 x 0.003)
End-Capillary Oxygen Content (CcO2)
CcO2 = (Hb x 1.34 x SaO2) + (PAO2 x 0.003)
Mixed Venous Oxygen Content (CvO2)
CvO2 = (Hb x 1.34 x SvO2) + (PvO2 x 0.003)
Shunt Equation (QS/QT)
QS/QT = (CcO2 – CaO2) / (CcO2 – CvO2)
Modified Shunt Equation (QS/QT)
QS/QT = ((PAO2 – PaO2) x 0.003) / ((CaO2 – CvO2) + (PAO2 – PaO2) x 0.003)
Arterial-Mixed Venous Oxygen Content Difference (C(a-v)O2)
C(a-v)O2 = CaO2 – CvO2
Oxygen-to-Air Entrainment Ratio (O2:Air)
O2:Air = 1 : (100 – FiO2) / (FiO2 – 2)
—————
📗 BEST STUDY GUIDES FOR YOU
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🚑MEDICAL DISCLAIMER
Medicine and Respiratory Therapy are continuously changing practices. The information in this video is for educational and entertainment purposes only. For medical advice, please consult with a physician or qualified medical professional.
💡AFFILIATE DISCLAIMER
This description contains affiliate links. If you decide to purchase a product through one of them, we receive a small commission at no cost to you.
—————
⏰TIMESTAMPS
0:00 - Intro
2:08 - Respiratory Therapy Formulas
—————
🖼CREDIT FOR MUSIC AND GRAPHICS:
▪ Music provided by NoCopyrightSounds.
#RespiratoryTherapy #RespiratoryTherapist #RespiratoryTherapySchool
I bet when you signed up for Respiratory Therapy School, you probably were not expecting to do much math, am I right?
Because, I mean, this is a healthcare program that teaches you how to care for patients with cardiopulmonary disorders. How much math could there possibly be? Well if you're like me, you were probably pretty shocked to find out that there are several formulas, calculations, and equations that you're required to know.
If I'm being honest, I was not very pleased to find this out. But, with that said, I have some good news. Most of the calculations that you will have to do are very simple, If, that is, here's the key. They're simple as long as you know the formula. If you know the formulas, the math is very simple because all you have to do is plug the numbers in and work it out. In this video, we're simply going to cover all the formulas that you'll see in Respiratory Therapy School. Some are harder than others but most are very simple.
💡Examples of Respiratory Therapy Formulas:
Minute Ventilation (VE)
VE = Respiratory Rate x Tidal Volume
Alveolar Minute Ventilation (VA)
VA = Respiratory Rate x (Tidal Volume – Deadspace)
Airway Resistance (Raw)
Raw = (PIP – Plateau pressure) / Flow
Mean Airway Pressure (Paw)
Paw = ((Inspiratory Time x Frequency) / 60) x (PIP – PEEP) + PEEP
Work of Breathing (WOB)
WOB = Change in Pressure x Change in Volume
Alveolar-Arterial Oxygen Tension Gradient (P(A-a)O2)
P(A-a)O2 = PAO2 – PaO2
Alveolar Oxygen Tension (PAO2)
PAO2 = (PB – PH2O) x FiO2 – (PaCO2 / 0.8)
Arterial/Alveolar Oxygen Tension (a/A) Ratio
(a/A) Ratio = PaO2/PAO2
Arterial Oxygen Content (CaO2)
CaO2 = (Hb x 1.34 x SaO2) + (PaO2 x 0.003)
End-Capillary Oxygen Content (CcO2)
CcO2 = (Hb x 1.34 x SaO2) + (PAO2 x 0.003)
Mixed Venous Oxygen Content (CvO2)
CvO2 = (Hb x 1.34 x SvO2) + (PvO2 x 0.003)
Shunt Equation (QS/QT)
QS/QT = (CcO2 – CaO2) / (CcO2 – CvO2)
Modified Shunt Equation (QS/QT)
QS/QT = ((PAO2 – PaO2) x 0.003) / ((CaO2 – CvO2) + (PAO2 – PaO2) x 0.003)
Arterial-Mixed Venous Oxygen Content Difference (C(a-v)O2)
C(a-v)O2 = CaO2 – CvO2
Oxygen-to-Air Entrainment Ratio (O2:Air)
O2:Air = 1 : (100 – FiO2) / (FiO2 – 2)
—————
📗 BEST STUDY GUIDES FOR YOU
💙MORE FROM RTZ
🌐FOLLOW US
🚑MEDICAL DISCLAIMER
Medicine and Respiratory Therapy are continuously changing practices. The information in this video is for educational and entertainment purposes only. For medical advice, please consult with a physician or qualified medical professional.
💡AFFILIATE DISCLAIMER
This description contains affiliate links. If you decide to purchase a product through one of them, we receive a small commission at no cost to you.
—————
⏰TIMESTAMPS
0:00 - Intro
2:08 - Respiratory Therapy Formulas
—————
🖼CREDIT FOR MUSIC AND GRAPHICS:
▪ Music provided by NoCopyrightSounds.
#RespiratoryTherapy #RespiratoryTherapist #RespiratoryTherapySchool
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