Which is very bad news in a world already and increasingly subject to extreme climatic events. The state of our soils will play an important role in whether we can mitigate and buffer the effects of this climate chaos. Fertile soil is a potentially vast carbon sink, second only to the worldâs oceans.
Quick Answer. Ejection fraction normally refers to measurements related to the left ventricle of the heart, and patients with an ejection fraction between 55 and 70 percent are in the normal range, notes Cleveland Clinic. Ejection fraction measures how much blood is pumped from the patient's left ventricle during heart contractions. Keep Learning.
A normal ejection fraction is 55 percent, according to Mayo Clinic. An ejection fraction of 50 percent or below is considered reduced and usually indicates some degree of damage to the heart. Doctors differ in their interpretations of ejection fractions in the 50 to 55 percent range. Keep Learning.