what would happen if there are no atrio ventricular valves
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When the pulmonary valve is missing or does not work well, blood does not flow efficiently to the lungs to get enough oxygen. In most cases, there is also a hole between the left and right ventricles of the heart (ventricular septal defect). This defect will also lead to low-oxygen blood being pumped out to the body.
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It is found in about 3% to 6% of people who have tetralogy of Fallot.As a result, the heart has to work harder to pump blood into the pulmonary artery and to the lungs. Pulmonary atresia. This is a congenital heart defect in which a child is born without a well-defined pulmonary valve. In pulmonary atresia, blood can't flow from the right ventricle into the pulmonary artery.
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