Given the following data on a 6 foot tall 210 pound male, perform the appropriat

Question

Given the following data on a 6 foot tall 210 pound male, perform the appropriate calculations and evaluate the values related to oxygen consumption PaO_2 = 85 mm Hg Hb = 11 g/dl SaO_2 = 95 % PVO_2 = 30 mm Hg SVO_2 = 60% cardiac output = 5L/min with a heart rate of 130/minute Stroke volume is approximately 38 ml CaO_2 is approximately 143 ml/dL. VO_2 is close to normal limits This subject may have reduced preload reduced contractility, or increased afterload This patient is probably exercising Interpret the acid-base balance for the following values pH = 7.37 PCO_2 = 52 HCO_3^- = 29

Explanation / Answer

Pao2=85 mm hg

Hb=11 g/dl

Sa O2= 95%

PVO2=30mm Hg

So2=30 mm Hg

stroke volume = cardiac output / heart rate.

= 5 l/13038.46

stroke volume is approximately 38 ml -correct

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normal CaO2= Arterial Oxygen Content
NORMAL VALUE: 16 to 20 ml/dl blood

Arterial oxygen content (equation) =
(Hgb x 1.36 x SaO2) + (0.0031 x PaO2)

=(11 x 1.36 x .95) + (0.0031 x 85) 14.47 m/dl

normal CaO2=is approxiamely 14,3ml/dl

answer =correct

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Vo2 is close normal limit-----------incorrect

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this patient probably exercising= Incorrect-

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Interpret the acid base balance for the following values

Ph=7.32----------- indicates Acidosis

Pco2=52

HCO=29----------- indicates Acidosis

Answer

Option B

Partially Compensated Metabolic Acidosis

Explanation:

Metabolic Acidosis pH < 7.35 (Normal: 7.35 - 7.45) HCO3- < 22 (normal: 22 – 26)

Respiratory Alkalosis: pH > 7.45 (Normal: 7.35 - 7.45) CO2 < 35 (Normal: 35 – 45)

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