Normal values for cardiac pressures and oxygenation status
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| Right Arterial Press aka Central Venous Pressure(CVP)(RVEDP) | 0-8 mmHg
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| Right Ventricular Pressure | 15-25 mmHg Systolic
0-8 mmHg Diastolic
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| Pulmonary Artery Pressure | 15-25 mmHg Systolic
8-15 mmHg Diastolic
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| Left Arterial Pressure aka Pulmonary Capillary Wedge Pressure | 4-12 mmHg
*Value is same as LVEDP
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| Left Ventricular Pressure | 110-130 mmHg Systolic
4-12 mmHg Diastolic (LVEDP)
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| Mean PA Pressure | 10-20 mmHg
*Mean Press=[Sys + 2(Diast)]/3
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| Systemic Vascular Resistance (SVR) | 900-1500 dynes x sec x cm^-5
*SVR=[MAP-CVP]/CO x 80
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| Pulmonary Vascular Resistance (PVR) | 25-250 dynes x sec x cm^-5
*PVR=[Mean PAP-PCWP]/CO x 80
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| Arterial Blood Pressure | 100-140 mmHg Systolic
60-90 mmHg Diastolic
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| Mean Arterial Blood Pressure | 70-100 mmHg
*Mean Press=[Sys + 2(Diast)]/3
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| Cardiac Output | 4-8 lpm
*SV x HR = CO
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| Cardiac Index (CI) | 2.5-4 l/min/m²
*CI= CO/BSA
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| Heart Rate | 60-100 bpm
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| Stroke Volume | 60-130 ml
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| Ejection Fraction | 50-70%
<30% indicate imminent heart failure
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| Mixed Venous Oxygen Saturation (SvO2) | 60-80%
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| Oxygen Content-Aterial (CaO2) | Normal: 20 vol%
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| Oxygen Content-Venous (CvO2) | Normal: 15 vol%
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| Oxygen Extraction C(a-v)O2 | Normal: 5 vol%
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| How is the oxygen content determined? | By adding O2 attached to Hgb (1.34xHgbx%sat) to the amount dissolved in plasma (PO2x0.003)
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| Oxygen Delivery/Transport (Do2) | Normal: 750-1000 ml/min
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| Oxygen Consumption (VO2) | Normal: 250 ml/min
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| Capillary Content of Oxygen (CcO2) | Calculated value based on Hbg and alveolar air
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| Shunt | Normal: <10%; 20-30% considered significant; >30% life threatening
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| Fick Equation | VO2/[C(a-v)O2 x10]=CO also
VO2=COx [C(a-v)O2x10]
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Created by:
JimStry
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