Abnormal Adult Hemoglobins - 2
Sulfhemoglobin:
Ingestion
of sulfonamides & acetanilid
Only
hb type not measured with normal method
Shift-to-right
occurs
100
times less affinity for oxygen
Carbon
monoxide bound to hb
<1%
normal – (4 – 20% in smokers)
Hb
affinity for CO is 200 times that for O2
Carboxyhemoglobin:
Causes
following symptoms at given levels:
10 –
15% =
>50%
=
Headaches & dizziness
Coma, convulsions &
death