The blood shows an increase in number of white blood cells and sedimentation rate (clumping of red blood cells). Infarcts that do not heal within two or three days generally take two to three weeks to heal. The dead tissue is replaced by scar tissue.

Is pulmonary infarction reversible?

Sometimes, the blockage of blood flow causes part of the lung tissue to die, which is called a pulmonary infarction Pulmonary infarction Pulmonary embolism is the blocking of an artery of the lung (pulmonary artery) by a collection of solid material brought through the bloodstream (embolus)—usually a blood clot ( ...

How do you treat a lung infarction?

However, in the large majority of cases, pulmonary infarction is caused by a pulmonary embolus. The treatment of pulmonary embolus includes, in addition to supportive care, the institution of anticoagulant medication, usually with intravenous heparin, followed in a few days by an oral anticoagulant.