respiratory lectures

1

Ohm's Law IV/R
I current (electrical flow)
V voltage (electrical potential
energy)
R resistance to flow

For fluid dynamics QP/R
Q blood flow
P pressure (potential energy)
R resistance to flow
R
P1
2
Pulmonary Circulation
Arterial (Pa)
Alveolar (PA)
Venous (Pv)
3
1
2
3
Assumes PA0 mmHg
4
Pulmonary Circulation
5
100
Bi-exponential decay of
pulmonary arterial pressure
PCWP
Pressure (mmHg)
10
Proximal
component
1
0
1
2
3
Time (seconds)
6
Pnet(Pi-Po)(o-i)
17 mmHg
Oncotic P25
37 mmHg
7
Pulmonary Circulation
Arterial (Pa)
Alveolar (PA)
Venous (Pv)