Artery narrow operation indication and _ symptom of the lung

Artery narrow operation indication and _ symptom of the lung
1: The narrow slightly one does not need surgery to treat. 2: There is having palpitation, breathing hard, district before the heart that can't relieve pain after the treatment of internal medicine department, the right heart is depleted and cyanosis is operation indication. 3: At the time of the quiet interest,> 75mmHg, lung artery and poor> area lt of petals of mouth of 50mmHg, lung artery of the intersection of pressure and steps of right ventricle that heart conduit checks the pressure of right ventricle; 0.5cm2/m2, the electricity of heart illustrationally shows right ventricular hypertrophy, and there are persons who strain, clinical symptom is not obvious, should also consider the surgery treatment. 4: Children's lung artery and steps bad gt of pressure of right ventricle; 45mmHg, should consider the operation.
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