Research Article
Effect Evaluation of Cardiac Resynchronization Therapy in Elderly Patients with Heart Failure by Ultrasound Image under QuickOpt Algorithm
Figure 7
Comparison of postoperative clinical echocardiographic indicators between two groups. (a–d) The comparisons of LVEF, LVESV, LVEDV, and MRV, respectively.
| (a) |
| (b) |
| (c) |
| (d) |