Acute posthemorrhagic anemia or acute blood loss anemia is a condition in which a person quickly loses a large volume of circulating hemoglobin. Acute blood loss is usually associated with an incident of trauma or a severe injury resulting in a large loss of blood. It can also occur during or after a surgical procedure. As this causes a lack of oxygen that can be delivered to the organs, it can lead to hemorrhagic shock and its symptoms, such as: tachycardia; hypotension; pallor and an altered state of mind.
This condition belongs to normocytic and normochromic anemia.
Treatment The treatments for the acute anaemia are resuscitation and fast replacement of lost blood with packed red blood cells which should aim to increase the level of haematocrit by 3 points and the level of haemaglobin by 1 point. The loss of blood should also be stopped with pressure and, if necessary, tools such as a tourniquet.
See also List of circulatory system conditions List of hematologic conditions
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