Hb (hemoglobin)
Hb is the standard abbreviation for hemoglobin.
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- HBIG
Hepatitis B immune globulin, which contains antibodies to hepatitis B virus (HBV). HBIG offers prompt but short-lived protection against infection with HBV. HBIG may be given in cases of accidents that carry a transmission risk when the exposed person has not received the HBV vaccine.
- Hematuria
Blood in the urine. Hematuria may or may not be accompanied by pain, but it is always abnormal and should be further investigated. Painful hematuria can be caused by a number of disorders, including infections and stones in the urinary tract. Painless hematuria can also be due to many causes, including cancer.
- Hematuria, gross
Blood in the urine that can be seen with the naked eye. Hematuria may or may not be accompanied by pain, but it is always abnormal and should be further investigated.
- Hematuria, microscopic
Blood in the urine that is visible only under a microscope. There is so little blood that it cannot be seen without magnification. Microhematuria is in contrast to gross hematuria, in which the blood is so plentiful that it is visible to the naked eye. Hematuria in any amount is abnormal and should be further […]
- Hemi-
Prefix meaning one half, as in hemiparesis, hemiplegia, and hemithorax. From the Greek hemisus meaning half and equivalent to the Latin semi-. As a general rule, not always followed, hemi- goes with words of Greek origin and semi- with those of Latin origin.