There are two approaches used when inserting a pacemaker; the epicardial approach and the transvenous approach. Epicardial approach involves the opening the chest cavity and placing a lead on epicardial sac of heart while the transvenous approach involves accessing a vein and inserting an electrode into the vein. Epicardial approach for inserting pacemakers are divided based on approach to heart thoracotomy, upper abdominal or endoscopic.
The simple microscopic organisms the only life forms on earth was 560 million years.
Neutrophils is sign of body infection.If you have high neutrophils which is present in human blood then its is known as Neutophilia.
Its a type of white blood cells (WBC) its an important part of immune system which helps body to fights with infection. When micro organisms such as bacteria or viruses are enter in human body then these neutrophils are the first immune cells to respond.
Under normal conditions, the number of neutrophils in healthy person is between 2,500 to 6,000 .If neutrophils are increases of deceases in human body then doctor suggested antibodies.It may eventually go away, or remain as a life - long condition.
To learn more about Neutrophils here
brainly.com/question/14531154
#SPJ4
