@sarahmle - cardio69

[ArchivalUser]

Right ... influenza every 1 yr. Go wid D . Thanq cardio fr the qs.

[ArchivalUser]

Perfecto nice exp sweety
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@sarah ans the following q 72sec

Your pat 35 y/o F anemic with Hb 7.1 g/dLWhich of the following sets of changes has occurred in your pat, compared to norm?

------------------------2,3 BPG-----Mixed venous PO2----Arterial PO2
a)-------------------------↓--------------------------↔---------------↑
b)-------------------------↑--------------------------↑--------------- ↓
c)-------------------------↑--------------------------↓--------------- ↓
d)------------------------↔--------------------------↓----------------↔
e)-------------------------↓--------------------------↔---------------↓
f)--------------------------↑--------------------------↓--------------- ↔
g)-------------------------↑--------------------------↑--------------- ↑
h)-------------------------↓--------------------------↓--------------- ↓

[ArchivalUser]

Cardio... my option is not here
bpg and mixed venous blood decreases and po2 shud be Normal.
am I wrong pls correct.

[ArchivalUser]

The O2 carrying capacity of the blood ↓ in an "anemic" pat, but the arterial PO2 & SO2 of Hb are both norm.
-The ↓ in arterial O2 content is compensated -> ↑ extraction of O2 from Hb -> ↓ the PO2 of the venous
blood.
The UNloading of O2 @ tissue level is enhanced -> ↑ levels of 2,3 DPG in "anemic" pat bz 2,3 DPG cz -> "R"shift of the O2 Hb dissociation curve THE END.

what u mean "my option is not here"???? what about *f*

I see now about physio that u screaming def.

[ArchivalUser]

Sarah r we clear 1:10 bleach ?
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A 40 y/o F with cancer taking phenytoin for trigeminal neuralgia and develops anemia.
Lab reveal MCV 120 fl.

Which of following most likely characteristic of the pat anemia?

a)Bone barrow tear drops
b)Heinz bodies on crystal violet
c)Blood megaloblasts
d) ↑blood homocysteine
e) ↑ urine methylmalonic acid

[ArchivalUser]

i will go with C.......
Since MCV is raised, then the patient has macrocytic anaemia which could be megaloblastic or non megaloblastic. Phenytoin however causes megaloblastic anaemia, so will go with CCCCCCC

[ArchivalUser]

mistake pay attennn!

[ArchivalUser]

ans - A..?

[ArchivalUser]

Hii sorry...was out on sme wrk.
helloooo cardio. Thnq fr the explanation. I thot bpg decreases.

Fr the nxt qs...is it C? Megaloblasts?

[ArchivalUser]

"D" since homocysteine methyltransferase requires THF as co factor and phenytoin binds gi conjugases and dec folate absorpion so homocysteine may rise ?

or is it megaloblasts