Heat pump retrofits are available for small businesses that have an electric account labeled "Small General Service . Exhibit 1: Portable oxygen concentrators (POC) and their oxygen output in pulse dose settings and ml/min. A 36-year-old female patient has a respiratory rate of 12 and a tidal volume of 500 mL. What is the formula for Boyles Law?P1 x V1 = P2 x V2, 14. As , EL NORTE is a melodrama divided into three acts. Input the pulse into the aerobic capacity calculator and select your sex. endobj Calculating oxygen consumption for Hamilton Medical ventilators, I want to create a Hamilton Medical account, Partner-net (for Hamilton Medical distribution partners only), Expiratory minute volume (ExpMinVol): 8 l/min, Total minute volume leakage (MVleak): 1 l/min. What is the PO2 of humidified tracheal air? The Oxigraf team recently worked with a client to provide them with a reliable, high-quality Oxygen Deficiency Monitoring System for a Quantum Computer Helium Laboratory. A similar formula is used to determine oxygen consumption for walking speeds between 1.9 and 3.7 mph.1 At lower speeds, walking is generally a more efficient process than running. N Engl J Med . Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. For example, a respiratory therapist wants to make sure the patient on heliox (H cylinder) running at 10 LPM will not run out of gas over the change of shift. What amount of volume was lost in the ventilator tubing?60 mL, 45. 3. 51. >> 2. Pressure swing adsorption (PSA) oxygen generating plants are a source of medical-grade oxygen. 3 0 obj <>stream >> Here you can see a calculation of the estimated oxygen requirement for a HAMILTONC1 ventilator based on the following parameters: Expiratory minute volume (ExpMinVol): 8 l/min Total minute volume leakage (MVleak): 1 l/min Base flow: 3 l/min Set duration (FiO2): 60% Planned duration of transport: 120 min Use this heart rate recovery calculator to determine the change in your heart rate after the first minute of rest after exercise. You only need to count your heartbeats per 20 seconds while resting. Range: 2 to 6 l/min. How do you calculate cellular respiration? The form is based on the following formulas and determinations. Oxygen consumption varied directly with Vt and inversely with compliance, increasing from 4.8 +/- 0.07 L/min with the HC-500 mL Vt model to 6.2 +/- 0.05 L/min /Kids [6 0 R 7 0 R] This value can be obtained by dividing the patients tidal volume by what? Ventilation: Exchange of air between the lungs and the air (ambient or delivered by a ventilator), in other words, it is the process of moving air in and out of the lungs. FV>2 u/_$\BCv< 5]s.,4&yUx~xw-bEDCHGKwFGEGME{EEKX,YFZ ={$vrK ,Ca0sY. Most of our vents have the Bias Flow set at 5 LPM FiO2 Oxygen consumption will vary depending on set FiO2 At 100%, the total volume is supplied from the Oxygen tank. Then you can easily plug the numbers in to quickly calculate the correct answer. stream is it possible to run isoflurane through a ventilator? They're common in light commercial applications like restaurants, offices, and retail spaces. The products shown here are not available for purchase by the general public. High-performance heat pump units can be used by businesses for both your heating and cooling needs while saving energy and money. 9 0 obj kL\SupZb b~RU+T7r 6(OrmGQHhjMOjb Find a good location for running and measure out the distance of exactly 1.5 miles (2414 m). How do you calculate ventilation in liters per minute? . You will not be able to export data entered into the Calculator. Take a closer look at the VO2 max formula-based methods used for VO2 max estimation in our aerobic capacity calculator. /Resources 10 0 R What is the average tidal volume for a patient who has a minute ventilation of 10 L/min and a rate of 12/min?833 mL, 46. FiO. 6 l/min) endstream The test is demanding, and you should know how to pace yourself over the distance. First, do the walking test (a detailed description of how to do this properly is in the section above). While mechanical ventilation decreases the O 2 cost of breathing, the mode of ventilation may be equally important. VO2 = (milliliters of air inhaled per minute)(percentage of oxygen in the air inhaled) / (milliliters of air exhaled per minute)(percentage of oxygen in the air exhaled). << For the TMC Exam, you must know how to calculate both static and dynamic compliance. endobj A detailed case study is outlined here. Please note that the VAE Calculator will not ask you to enter any patient identifiers (other than dates of mechanical ventilation, which you can change as you see fit). PA and Pa in the alveolar gas equation represent the gas pressures in what locations?PA represents the gas pressure in the alveoli. % All resources are student and donor supported. JavaScript is disabled. He has the following data: A. Numerous studies reveal that high-intensity interval training (HIIT) workouts are associated with increased VO2 max. That way you'd know approximately how much your vent used in case you needed it. a Breathing rate Step 1: Count the number of breaths taken per minute on the time trace. (Pplat PEEP), 8. /Type /Outlines Tip - you need to count full breaths, so count the number of peaks (or troughs) in 1minute. f hO^;`3yoLlF"m` ! Simply input your device type (Conserver or Regulator), Liter Flow Setting, Cylinder Size and Approximate Fill Level to calculate the approximate cylinder duration. Respiratory Care Calculations. Sabah in Malaysian Borneo is among the Malaysian states which reported a high number of detected COVID-19 cases during the current pandemic. The VAE Calculator does not store any patient data that you enter, and it will not report any data that you enter or any VAE determinations to the NHSN. We also have a dedicated VO2 max calculator for runners the VO2 max runners calculator. John Landry is a registered respiratory therapist from Memphis, TN, and has a bachelor's degree in kinesiology. Mean airway pressure (P AW) Note units (mm Hg vs cm H 2 O) mm Hg. Consumption function equation describes C = c+bY. VO2 max calculator is intended for every sportsperson who wants to find their maximal aerobic capacity value. In our bag-squeezer designs (ii) and (iii), mean (SD) oxygen consumption was 0.913 (0.198) and 1.119 (0.267) l.min 1 at tidal volumes of 500 and 700 ml respectively, reflecting the increased work required to generate the larger of . NO damos asesoras a ideas de negocio, proyectos de emprendimiento o inversiones, ni proveemos servicios financieros. /__WKANCHOR_2 [0 /XYZ 63 705.500000 0] 31. Normal ventilation leads to high (or normal) CO2 in the arterial blood and body cells. If you are male, set the metronome to 96 beats/minute; if female, set it to 88 beats/minute. Switch between invasive or noninvasive ventilation and high flow nasal cannula therapy just by changing the ventilation mode and the patient interface. Chang, David. O2 consumption = VO2 = QT x (CaO2 CvO2). Flow trigger setting > 2 l/min:2*Flow trigger Secondly, do some basic stretching and warm up before the test. To calculate VO2 max with resting heart rate: First, calculate your maximum heart rate by multiplying your age by 0.7 and deducting the computed number from 208. It displays how much oxygen your body can use during maximal intensity exercise and is thought to be one of the accurate measures of aerobic or cardiovascular fitness. Its best to take your respiratory rate while sitting up in a chair or in bed. 1 0 obj After obtaining a patients PFT results, they have a VC of 3.4, FRC of 5.8, and an ERV of 1.2. A 43-year-old male patient is receiving volume-controlled ventilation at a rate of 12/min. Read and download literature for the Z Vent for EMS, Z Vent for Hospital, and the EMV+ for Military . b = marginal propensity to consume (the % of extra income that is spent). Consumed O 2 was calculated after measuring the mass of . At a normal body temperature, what is the partial pressure of water vapor?47 mmHg. /Type /Page Read More, 2023 Oxigraf, Inc. All Rights Reserved | Site Created by 4.0,` 3p H.Hi@A> The winners are: Princetons Nima Arkani-Hamed, Juan Maldacena, Nathan Seiberg and Edward Witten. A patient receiving mechanical ventilation has a PIP of 60 cmH2O and a plateau pressure of 45 cmH2O. The calculation of percentage of oxygen in the air after the evaporation of a volume of liquefied gas nitrogen or solid CO2 in a confined space. In order to better solve the phenomenon of low oxygen in the corner of return airway caused by abnormal gas emission in goaf during shallow coal seam mining, by analyzing the source and reason of low oxygen phenomenon, a prediction model of oxygen concentration in the corner of return airway based on genetic algorithm (GA) and random forest (RF) technology was proposed. Thomas Marketing Serivces Powered by What is the normal value of the A-a gradient?The A-a gradient is usually around 10 mmHg. ABSTRACT. Ventilator-Associated Event (VAE) Calculator, Centers for Disease Control and Prevention. The gauge reads 600 PSI. << Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data. Particularly in low- and middle-income countries (LMICs), where supplies are likely to be inadequate in the face of the pandemic, boosting access to medical oxygen can save lives. What is the formula for cardiac index?CI= Cardiac Output / BSA, 35. 17-19 Results: The human lung consumes about 5-6 ml oxygen per minute at an esophageal temperature of 28 degrees C. Prebypass whole-body oxygen consumption measured at nearly normothermic conditions was 198 +/- 28 ml/min. Let's say that walk time = 16 min 10 sec and pulse = 20 beats / 10 sec. >> /CropBox [0.0 0.0 595.0 842.0] As at June 2020, many hospitals are housing far more ICU beds than normal. While setting up a new patient on the ventilator, the plateau pressure is 47 cmH2O, and the tidal volume is set at 100 mL. Range: 2 to 30 l/min, Flow trigger setting 1 l/min:2 l/min It looks like nothing was found at this location. This cookie is set by GDPR Cookie Consent plugin. ventilator oxygen consumption calculatorcase de vanzare reading angliacase de vanzare reading anglia 3 0 obj [7A\SwBOK/X/_Q>QG[ `Aaac#*Z;8cq>[&IIMST`kh&45YYF9=X_,,S-,Y)YXmk]c}jc-v};]N"&1=xtv(}'{'IY) -rqr.d._xpUZMvm=+KG^WWbj>:>>>v}/avO8 What is the patients VD/VT if their PaCO2 is 58 mmHg with a mixed expired CO2 of 32 mmHg?0.45, 13. Due to geographical challenges and limited resources, clinicians developed novel strategies for managing patients. Not all features are available in all markets. Flow trigger setting 2 l/min:4 l/min For this purpose, we will use the one-mile walk test. The basic concept is, as oxygen from the air in the respirometer will be consumed in the reaction; the volume of the oxygen gas decreases, and the pressure decreases as well. 1,151 minutes and 19.18 hours, 17. You have now calculated your VO2 max. t6:u4hX`[2.+I3c,Mu{A! Dictionary of Military and Associated Terms. a Breathing rate Step 1: Count the number of breaths taken per minute on the time trace. It's cross multiplying iirc. Indoor rowing for 2000 m. The test is based on your best time on 2000 m distance rowing using an indoor rower. Calculate the volume of the released gas (Vg) by multiplying the volume of the liquid nitrogen (in liters) or weight of solid carbon dioxide (in Kg) by the expansion ratio of LN (.682) or the inverse density of CO2 (.552 m3/Kg). Oxygen Consumption (VO 2) VO 2 = Cardiac Output x C(a-v)O 2 Oxygen Extraction Ratio (O 2ER) O 2ER = (CaO 2 - CvO 2) / CaO 2 FiO . For a better experience, please enable JavaScript in your browser before proceeding. ALternatively, you could just hook an ambubag up to the ETT and then use your flowmeter and pressure gauges to estimate. In the calculator, you need to select your sex and fill in your weight and training level. which can increase ventilation in response to changes in PO2, PCO2, or . After completing his doctoral studies, he decided to start "ScienceOxygen" as a way to share his passion for science with others and to provide an accessible and engaging resource for those interested in learning about the latest scientific discoveries. +.j+jVzm'vx>T7xUuaDKS7 1AX}|kq~ The first, titled Arturo Xuncax, is set in an Indian village in Guatemala. Ventilation rate is expressed as the volume of gas entering or leaving the lungs in a given amount of time. It is a popular indicator of physical efficiency (especially aerobic efficiency). I think so! endobj Medical Disclaimer: The information provided by Respiratory Therapy Zone is for educational and informational purposes only. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Calculate the volume of the released gas (Vg) by multiplying the volume of the liquid nitrogen (in liters) or weight of solid carbon dioxide (in Kg) by the expansion ratio of LN (.682) or the inverse density of CO2 (.552 m3/Kg). To calculate the estimated oxygen consumption for your Hamilton Medical ventilator, you need to take these parameters into account: Fraction of inspired oxygen (%Oxygen) Expiratory minute volume (ExpMinVol) (x2 for patients . A respirometer measures how much oxygen is used during cellular respiration. The flow rate is how many liters of oxygen, per minute, your device delivers. It is often expressed in terms of either the concentration (amount per unit volume) of a product that is formed in a unit of time or the concentration of a reactant that is consumed in a unit of time. Going through practice problems is an effective technique for learning and memorizing all the equations. .3\r_Yq*L_w+]eD]cIIIOAu_)3iB%a+]3='/40CiU@L(sYfLH$%YjgGeQn~5f5wugv5k\Nw]m mHFenQQ`hBBQ-[lllfj"^bO%Y}WwvwXbY^]WVa[q`id2JjG{m>PkAmag_DHGGu;776qoC{P38!9-?|gK9w~B:Wt>^rUg9];}}_~imp}]/}.{^=}^?z8hc' After the test, cool down for a few minutes. 6. Version 9.0 operates based upon the currently posted VAE protocol. Summary. At the end of 1 mile, stop the stopwatch immediately and count your pulse per 10 seconds. What is the most important calculation for the TMC Exam?Ideal Body Weight (IBW) because it is needed to determine the patients initial tidal volume setting for mechanical ventilation. Please note: The oxygen concentrator's pulse-flow . Oxygen Calculator Step 1. 6 0 obj Hawkins MN, Raven PB, Snell PG, Stray-Gundersen J, Levine BD. you could disconnect your macine from the wall for 15 minutes, run it off the cylinder in back and calculate the amount of consumption based off the aforementioned loss of pressure calculations. PiO2 = 150mmHg. calculates Respiratory Quotient (CO2 production/O2 consumption) and Resting Energy Expenditure (REE) Principles production of chemical energy is proportional to gas exchange Weir equation used to calculate energy expenditure: Energy expenditure = (3.9VO2 - 1.1VCO2) - 2.17 (urinary nitrogen) How should the initial minute ventilation setting be adjusted for an adult patient with a body temperature of 40 C?Increase it by 30% because the minute ventilation would have to be increased by 10% for each degree above 37 C. 52. A patient is receiving 3 L/min of oxygen from an E-cylinder at 1,200 psi. Her smoking history would be recorded as:45 pack years, 53. hs2z\nLA"Sdr%,lt This is critical when it comes to learning the information. These methods are based on the following: Each of the methods is explained in detail in the section below. All information these cookies collect is aggregated and therefore anonymous. 1 COVID-19 AND OXYGEN CGD Note may 2020 Medical oxygen therapy is a core part of the treatment of patients with severe COVID-19. Grab your FREE digital copy of this study guide now no strings attached. Check out 9 similar performance calculators . 5, Lomas de San Francisco. QxCF Smoking Use Calculation (Pack Years) Pack Years = (Packs Smoked per Day) x (Number of Years Smoked) . This test is based on stepping up 16.25 inches (0.41 m) from ground level. 39. Here you can see a calculation of the estimated oxygen requirement for a HAMILTON-C1 ventilator based on the following parameters: O2 consumption (in l/min):(8.0 l/min + 3.0 l/min + 1.0 l/min) * (60.0 20.9) / 79.1 = 5.93 l/min, Total oxygen requirement (in liters) for 120 minutes:5.93 l/min * 120 = 711.6 liters. (100+ videos). (must have javascript enabled). xwTS7" %z ;HQIP&vDF)VdTG"cEb PQDEk 5Yg} PtX4X\XffGD=H.d,P&s"7C$ 660 L of o2 in a full tank at 2200 psi, so 660/2200 = x/psi showing. 16.7 mL/cm H2OB. e.g. However, I do have some good news as well. /Count 0 Put the data into the calculator, and also fill in your age and weight and select your sex. Order your own PEEP t-shirt today. This cookie is set by GDPR Cookie Consent plugin. 45 L/min, 50. /Type /Page Then, put this value and your age into the calculator. How do you calculate ventilation rate in biology? The . . In the article on this page, we prepared some brief information about what VO2 max is, how to calculate VO2 max, a description of VO2 max tests, and an explanation of how to use this aerobic capacity calculator. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. PiO2 to Alveoli. FiO2 is monitored within the inspiratory limb of ventilators. Choose a test that will be the most convenient and easy to perform for you. /First 8 0 R That's all. What is the formula for combined gas law? /Parent 2 0 R That means you should know the formulas for both. After many, many years, you will have some intuition for the physics you studied. Arterial Oxygen Content= [Hb (mg/dL) x 1.36 x SaO2 (%)/100] + (0.0031 x PaO2 (mmHg)) Hb - Hemoglobin determination where normal values are considered between 13.5- 18 g/dL for men and 11.5- 16.5 g/dL for women. You might also be interested in our race time improvement calculator. thx..jwk .very nice explanation..i'll start searching the ventilator manual then, thanks, Physician and Resident Communities (MD / DO). Calculate the volume (Vr m3) of the confined space. 2013th ed., Springer, 2013. To determine your VO2 max if your resting heart rate is 60 bpm and you're 30 years old: Calculate your maximum heart rate by multiplying your age by 0.7 and deducting it from 208, which equals 187 bpm. Both running and walking are allowed. What would his minute volume be in Liters?13 L/min, 22. Oxygen is an essential medicine required at all levels of the health care system; only high quality, medical-grade oxygen should be given to patients. What is the formula for minute ventilation?MV = Respiratory Rate x Tidal Volume, 20. a0c125a8-cf0d-46f8-98b0-ec2163c29f4c_website_en_US. 5. Read More, Monitoring of the concentration or partial pressure of oxygen and carbon dioxide (CO2) in respiratory gases requires fast response without overshoot. 1 0 obj <>/Font<>/XObject<>>>>> endobj 2 0 obj [/ICCBased 3 0 R] Calle 1 No. Clinical Application of Mechanical Ventilation. << %PDF-1.4 % This parameter is crucial in terms of any endurance sport and allows you to train effectively as well as properly. 25.7 mL/cm H2OD. How do you calculate ventilation rate in humans? /Contents 11 0 R For these reasons, COVID -19 treatment health - care facilities should be equipped with pulse oximeters, functioning oxygen systems single-use oxygenincluding *4. a blood lactate level of >14 mmol (this criteria is not used as extensively as the others) 5. These calculations are very easy to perform as long as you know the formula. What is the average PCO2 of the exhaled air that can be measured by a capnograph?PeCO2, 42. Respiratory rate was constant at 10 breaths/min. You must log in or register to reply here. /Type /Catalog In order to work out the total amount of oxygen required under these changed circumstances, it is necessary to know how to calculate the oxygen consumption for a particular ventilator. Maury, Bertrand. PaO 2. mm Hg. /Title Resting heart rate value. Patients who are on long-term ventilation may require a feeding tube directly inserted into the nose or mouth, or through a hole made in the stomach. He enjoys using evidence-based research to help others breathe easier and live a healthier life. 26. Firstly, you should find an appropriate location to walk precisely 1 mile (1609 meters). tm?dtEov7~n|yz1Ozo_wW=(W-flntu}lN:f4LA74^ShRb20gr=^sb{[-1R9jjx>j,|8Z2(mLkc<0+i3|S:R0}uO=~\) To calculate the estimated oxygen consumption for your Hamilton Medical ventilator, you need to take these parameters into account: (ExpMinVol + Base flow + MVleak) * ((%Oxygen 20.9) / 79.1). XXy-1)mBW Rpaf,ggl&vY66N+/q:gdt_2ddFiV\Oi:;}:zgi9?rW\nG These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. << In air, what is the mol percentage of nitrogen?78%, 28. You also have the option to opt-out of these cookies. BVEoWS(>Q You need to solve physics problems. Repeat that sequence for 3 minutes during the test. << High-flow oxygen through nasal cannula in acute hypoxemic respiratory failure. A lot of training is based on the VO2 max percentage value to specify their intensity (see the training pace calculator). After exactly 3 minutes, stop the test, wait for 5 seconds, and check your pulse for 15 seconds. The VO2 max calculator offers you five different VO2 max formula-based methods for calculating your maximal aerobic capacity. How do you calculate the rate of oxygen consumption over the first minute? How do you calculate oxygen consumption per minute on a ventilator? >> Yes! Sure, there are quite a few calculations and equations that you must be familiar with. Microsoft Word - KP White Paper Medical Air and Oxygen Capacity Author: O021430 Created Date: 3/29/2020 12:21:50 PM . Uniform mixing of LN or CO2 with room air. Make a few days of rest after the practice runs, and take the test afterward. (P1 x V1 ) / T1 = (P2 x V2 ) / T2, 16. 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), Arterial Oxygen Saturation Estimation (SaO2)SaO2 = PaO2 + 30, PaO2/FiO2 Ratio (P/F Ratio)P/F Ratio = PaO2 / FiO2, Oxygenation Index (OI)OI = ((Paw x FiO2) / PaO2) x 100, Oxygen Consumption (VO2)VO2 = Cardiac Output x C(a-v)O2, Oxygen Extraction Ratio (O2ER)O2ER = (CaO2 CvO2) / CaO2, FiO2 Estimation for Nasal CannulaFiO2 = 20 + (4 x Liter Flow), Oxygen Cylinder DurationDuration = (Gauge Pressure x Tank Factor) / Liter Flow, Liquid Oxygen System DurationDuration = (344 x Liquid Weight) / Flow, Cardiac Index (CI)CI = Cardiac Output / Body Surface Area, Cardiac Output (QT)QT = Heart Rate x Stroke Volume, Cardiac Output (CO) Ficks MethodCO = (O2 Consumption / CaO2 CvO2), Cerebral Perfusion Pressure (CPP)CPP = Mean Arterial Pressure Intracranial Pressure, Mean Arterial Pressure (MAP)MAP = (Systolic BP + (2 x Diastolic BP)) / 3, Stroke Volume (SV)SV = Cardiac Output / Heart Rate, Maximum Heart Rate (HRmax)HRmax = 220 Age, Heart Rate on an EKG Strip (HR) HR = 300 / # of large boxes between R waves, Systemic Vascular Resistance (SVR)SVR = (MAP CVP) x (80 / Cardiac Output), Pulmonary Vascular Resistance (PVR)PVR = (MPAP PCWP) x (80 / Cardiac Output), Static Compliance (Cst)Cst = Tidal Volume / (Plateau Pressure PEEP), Dynamic Compliance (Cdyn)Cdyn = Tidal Volume / (Peak Pressure PEEP), Deadspace to Tidal Volume Ratio (VD/VT)(VD/VT) = (PaCO2 PECO2) / PaCO2, Children Dosage EstimationChild Dose = (Age / Age + 12) x Adult Dose, Infant Dosage EstimationInfant Dose = (Body Weight in lbs / 150) x Adult Dose, Infant and Children Dosage Estimation (Frieds Rule)Infant or Child Dose = (Age in Months / 150) x Adult Dose, Body Surface Area (BSA)BSA = ((4 x Body Weight) + 7) / (Body Weight + 90), ElastanceElastance = Change in Pressure / Change in Volume, Smoking Use Calculation (Pack Years)Pack Years = (Packs Smoked per Day) x (Number of Years Smoked), Suction Catheter Size EstimationCatheter Size = (Internal Diameter / 2) x 3, Endotracheal Tube Size Estimation in ChildrenTube Size = (Age + 16) / 4, LaPlaces LawP = (2 x Surface Tension) / Radius, Celsius to Fahrenheit Temperature ConversionF = (C x 1.8) + 32, Fahrenheit to Celsius Temperature ConversionC = (F 32) / 1.8, Celsius to Kelvins Temperature ConversionK = C + 273, Helium/Oxygen Conversion (He/O2)Actual Flow = Given Flow Rate x Factor, Total Lung Capacity (TLC)TLC = IRV + VT + ERV + RVTLC = VC + RVTLC = IC + FRC, Vital Capacity (VC)VC = IRV + VT + ERVVC = IC + ERVVC = TLC RV, Inspiratory Capacity (IC)IC = IRV + VTIC = TLC FRCIC = VC ERV, Functional Residual Capacity (FRC)FRC = ERV + RVFRC = TLC IC, Time Constant (t)t = Compliance x Resistance, Ideal Body Weight (IBW)IBW = 50 kg + (2 x Number of Inches over 5 feet), Tidal Volume (VT)VT = Flow rate x Inspiratory Time, Exhaled Tidal Volume (VT)VT = Minute Ventilation / Frequency, Corrected Tidal Volume (VT)VT = Expired Tidal Volume Tube Volume, Pressure Support Ventilator Setting (PSV)PSV = ((Peak Pressure Plateau Pressure) / Set Flow) x Peak Flow, Rapid Shallow Breathing Index (RSBI)RSBI = Rate / Tidal Volume, Minimum Flow Rate in Mechanical VentilationFlow Rate = Minute Ventilation x I:E Ratio Sum of Parts, Winters FormulaExpected PaCO2 = (1.5 x HCO3-) + 8 2.
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