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--part1_a7.c02102d.27c88ec5_boundary Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Hey Guys, I thought I had at least an idea on most subjects dealing with scuba diving,= =20 but I also could sure use a handle on this. Take care and dive safe, Scott Some weeks it's just not worth gnawing through the restraints and scrambling= =20 up out of the pit. In a message dated 2/22/2001 11:48:28 p.m. Hora est=E1ndar de EE.UU. O,=20 CHKBOONE@ao*.co* writes: > Supposedly the venous Hb is still 75% saturated and we only use about=20 > 25%=20 > of the arterial O-Hb. However; >=20 > The unshifted dissociation curve shows Hb as about 50% saturated at a=20 > PPO2=20 > of 40 mm Hg. Various agents shift the curve so that in the venous flow H= b=20 > is reportedly 75% saturated at this same O2 concentration (40mm Hg). Is= =20 > this 75% of what Hb is capable of carrying after the influence of CO2, H+,= =20 > and 2-3 BPG shifts the curve?=20 > If so, then it appears that we use more than 25% of the O-Hb stores at=20 > rest. ? ? ? >=20 > Anybody got a handle on this ? >=20 > Chuck --part1_a7.c02102d.27c88ec5_boundary Content-Type: text/html; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable <HTML><FONT FACE=3Darial,helvetica><FONT SIZE=3D2>Hey Guys, <BR> <BR>I thought I had at least an idea on most subjects dealing with scuba div= ing,=20 <BR>but I also could sure use a handle on this. <BR> <BR>Take care and dive safe, Scott <BR> <BR>Some weeks it's just not worth gnawing through the restraints and scramb= ling=20 <BR>up out of the pit. <BR> <BR> <BR>In a message dated 2/22/2001 11:48:28 p.m. Hora est=E1ndar de EE.UU. O,=20 <BR>CHKBOONE@ao*.co* writes: <BR></FONT><FONT COLOR=3D"#000000" SIZE=3D3 FAMILY=3D"SANSSERIF" FACE=3D"Ar= ial" LANG=3D"0"> <BR></FONT><FONT COLOR=3D"#000000" SIZE=3D2 FAMILY=3D"SANSSERIF" FACE=3D"Ar= ial" LANG=3D"0"><BLOCKQUOTE TYPE=3DCITE style=3D"BORDER-LEFT: #0000ff 2px so= lid; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px; PADDING-LEFT: 5px"> &n= bsp;Supposedly the venous Hb is still 75% saturated and we only use about=20 <BR>25%=20 <BR>of the arterial O-Hb. However; <BR> <BR> The unshifted dissociation curve shows Hb as about 50% satu= rated at a=20 <BR>PPO2=20 <BR>of 40 mm Hg. Various agents shift the curve so that in the v= enous flow Hb=20 <BR>is reportedly 75% saturated at this same O2 concentration (40mm Hg). &nb= sp; Is=20 <BR>this 75% of what Hb is capable of carrying after the influence of CO2, H= +,=20 <BR>and 2-3 BPG shifts the curve?=20 <BR> If so, then it appears that we use more than 25% of the O-H= b stores at=20 <BR>rest. ? ? ? <BR> <BR>Anybody got a handle on this ? <BR> <BR>Chuck</FONT></HTML> --part1_a7.c02102d.27c88ec5_boundary-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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