Parameters Flashcards by M O

Q

Body water content

A

0.6 x TBW

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Q

Blood volume

A

5 L

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Q

Plasma volume

A

1/4 of ECF

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Q

Extracellular fluid volume

A

0.2 x TBW

15 L

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Q

Intracellular fluid volume

A

0.4 X TBW

25 L

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Q

Interstitial fluid volume

A

3/4 of ECF

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Q

Hematocrit

A

40-52% men

37-48% women

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Q

Hemoglobin concentration

A

2.3 mmol/L

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Q

Extracellular [Na+]

A

135-147 mM

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Q

Intracellular [Na+]

A

10-15 mM

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Q

Extracellular [K+]

A

3.5-5 mM

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Q

Intracellular [K+]

A

120-150 mM

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Q

Extracellular Ca

A

1-2.8 mM

1. 1-1.4 mM free

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Q

Extracellular Cl

A

95-105 mM

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Q

Intracellular Cl

A

20-30 mM

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Q

Extracellular HCO3-

A

22-28 mM

Q

Intracellular HCO3

A

12-16 mM

Q

Protein concentration blood plasma

A

60-80 g/L

Q

Blood plasma osmolarity and oncotic pressure

A

290 mOsm

25 mmHg

Q

Resting membrane potential skeletal muscle

A

-90 mV

Q

Resting membrane potential neurons

A

-70 mV

Q

Conduction velocity nerves

A

A alpha: 80-120 m/sec
A beta: 35-75 m/sec
A delta: 5-30 m/sec
Unmyelinated: 0.3-1 m/sec

Q

Equilibrium potential of Na+ in neurons

A

+60 mV

Q

Equilibrium potential of K+ in neurons

A

-90 mV

Q

Equilibrium potential of Ca2+ in neurons

A

130 mV

Q

Equilibrium potential of Cl in neurons

A

-70 mV

Q

Duration of PQ interval

A

0.12-0.20 sec

Q

Duration of QRS complex

A

0.15

Q

Duration of P wave

A

0.08

Q

Amplitude of ST - segment

A

0 mV