Tuesday, 27 January 2015

Pressures

Some important pressures
ICP:: 2-12 mm Hg (50-180 mm Water)
IOP:: 10-20 mm Hg
Pulmonary capillary wedge pressure:: 6-12 mm Hg (Swan Ganz)
Mean pulmonary artery pressure (PAP) :: 15 mmHg
Portal venous pressure:: 5-10 mm Hg
Intrauterine pressure in L1:: 40-50 mm Hg
Intrauterine pressure in L2 & L3:: 100-120 mm Hg
Intrathoracic pressure:: -3.8 to -6 mm Hg (- 5 to - 8 cm water)
Intrapulmonary pressure:: -1 to +1 cm water
Interstitial pressure:: -5 to 0 mm Hg
Calf pressure during walking:: 200 mm Hg
Venous pressure at the ankle during quiet standing :: 85-90 mm Hg
Cerebral perfusion pressure:: 50-70 mmhg
First breath inflation pressure:: 25 - 40 cm H20
Synovial fluid pressure:: -4 to -6 mm Hg
Epidural negative pressure: -4 to -6 mm Hg

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