what is vvi pacemaker
VVI pacemaker is a medical instrument that allows to heart muscle to work properly. In the surgical procedure, a specialist cardiologist, incorporating VVI pacemaker into the chest wall and VVI pacemaker with wires connect to heart in the right upper heart chamber or on the right ventricle.VI pacemaker is not sufficient when the ventricles are not able to beat together in the cases of congestive cardiac failure and then dual chamber pacemaker is required. Possible problems during implementation of VVI pacemakers are: 1  collapsed lung. 2  infection. 3  pericarditis. 4  air embolism.