transitive verb. 1  To keep up or carry on; continue: maintain good relations. 2  To keep in an existing state; preserve or retain: maintain one's composure. 3  To keep in a condition of good repair or efficiency: maintain two cars.
Anemia is usually classified based on the size of RBCs, as measured by the mean corpuscular volume (MCV). Anemia can be microcytic (MCV typically less than 80 Î¼m3 [80 fL]), normocytic (80 to 100 Î¼m3 [80 to 100 fL]), or macrocytic (greater than 100 Î¼m3 [100 fL]).
Talk To A Disability Expert Now. 1  Enter your phone number for an immediate call from a Disability Expert. 2  Enter your number. (or tap to call us) 3  If you prefer, call us at (800) 941-1321. Chronic anemia occurs when the body has insufficient red blood cells. Red blood cells contain hemoglobin, which allows oxygen to pass from your lungs into the rest of your body and for carbon dioxide to travel back to your lungs.