Term
Intracellular ion concentration |
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Definition
- [sodium]=5-15mM
- [potassium]=140mM
- [calcium]=0.1micromolar
- [chloride]=<110mM (variable)
- [bicarbonate]=10-20mM
- [hydrogen ions]=50-100nM (pH 7.0-7.30)
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Term
Extracellular ion concentrations |
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Definition
- [sodium]=140mM
- [potassium]=4mM
- [calcium]=2.4mM
- [chloride]=110mM
- [bicarbonate]=24mM
- [hydrogen ions]=40nM (pH 7.4)
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Term
Imporant values for CV system |
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Definition
- Plasma glucose (fasting) - 4mM to 6mM
- Plasma osmolarity - 290mOsm
- Arterial pH - 7.35-7.45
- Systemic arterial blood pressure - 120/80mmHg
- Pulmonary artery blood pressure - 20/10mmHg
- Resting cardiac output - 5L/min
- Normal heart rate - 60-100bpm
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Term
Important pulmonary values |
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Definition
- PaO2 - 90mmHg (12kPa)
- PaCO2 - 40mmHg (5.3kPa)
- Basal oxygen consumption - 250ml/min
- Ventilation at rest - 6L/min
- Alveolar ventilation at rest - 4L/min
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Term
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Definition
- Glomerular filtration rate - 125ml/min
- Urine osmolarity - 30-1200mOsm
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Term
Volumes of body fluid compartments in a 70kg person |
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Definition
- Total body fluid - 42L
- Extracellular - 3L plasma, 10L interstitial, 1L transcellular
- Intracellular - 28L
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Term
Blood cell - normal counts |
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Definition
- Erythrocytes - 45% haemocrit (5x1012)
- Leucocytes - 100% differential count (7x109)
- Neutrophils - 40-70%
- Lymphocytes - 20-40%
- Monocytes - 6%
- Eosinophils - 3%
- Basophils - <1%
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