100

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60 72 100 96 88 80 92 SO 2 %

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100. 96. 92. 88. 80. 72. 60. SO. 2. %. 100. 96. 92. 88. 80. 72. 60. SO 2 imaging in pulmonary microcirculation. Arteriole. Venule. SO 2 (%). 100  m. 100  m. 94+3. 100  m. 100. 21%. 96. 92. 88. 80. 72. 100%. 11%. 60. Variation of inspiratory O 2 fraction. - PowerPoint PPT Presentation

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60

72

100

96

88

80

92

SO2

%

100m

SO2 imaging in pulmonary microcirculation

60

72

100

96

88

80

92

SO2

(%)

100m

Arteriole Venule

21%

100%

11%

SaO2 (%)

SvO2(%)

76+2

36+5

85+2

76+4

100+0

94+3

100m

60

72

100

96

88

80

92

SO2

(%)

n=4

Variation of inspiratory O2 fraction

21%

11% 100%

O2

Blo

od

Flo

w V

elo

city

(m

m/s

)Flow velocity in the pulmonary microcirculation

Distance (m)

Arteriole Venule

Capillary

0

5

4

3

2

1

0-100 100 200

Branching point

He

mo

glo

bin

oxy

gen

sa

tura

tion

(%

)SO2 profile over travelled distance

Travel distance of RBC (m)

100

Arteriole

VenuleCapillary

0-100 100 200

Branching point

90

80

70

0

He

mo

glo

bin

oxy

gen

sa

tura

tion

(%

)SO2 profile over travel time

Travel time of RBC (ms)

Arteriole

Venule

Capillary

0 100 200

100

90

80

70

0

S. Silbernagl et al.:Physiology

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