3.Severe AS only if there is hemodynamic deterioration or NYHA class III to IV HF symptoms. 4.Severe valve regurgitation only if there are refractory NYHA class IV HF symptoms.
3.Severe AS only if there is hemodynamic deterioration or NYHA class III to IV HF symptoms. 4.Severe valve regurgitation only if there are refractory NYHA class IV HF symptoms.