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The Heart Clinic's cardiothoracic surgeon, Dr. Lester Dyke, is highly regarded for his expertise in treating patients in a high-risk state following a heart attack or heart failure.

His work has helped McAllen Heart Hospital receive recognition by Healthgrades for excellence in quality in several categories for the second year in a row. The hospital was named among the top 10 percent in the nation for overall cardiac services and coronary interventional procedures for 2018.​​

  • Five-Star Recipient for Treatment of Heart Attack — 2014-2018
  • America’s 100 Best Cardiac Care — 2017, 2018
  • Cardiac Care Excellence Award — 2017, 2018
  • Cardiac Surgery Excellence Award — 2017, 2018
  • America’s 100 Best Coronary Intervention — 2017, 2018
  • Coronary Intervention Excellence Award — 2017, 2018
  • Five-Star Recipient for Coronary Bypass Surgery — 2017, 2018
  • Five-Star Recipient for Valve Surgery — 2010-2018
  • Five-Star Recipient for Coronary Interventional Procedures — 2017, 2018
  • America’s 50 Best Cardiac Surgery — 2017

Cardiothoracic surgical services provided by the Heart Clinic include:

  • Adult congenital heart surgery
  • Coronary artery bypass graft (CABG) surgery, including traditional surgery and  Thoracoscopic CABG
  • Major aortic surgery and endovascular aortic surgery, including aortic aneurysm, aortic dissection and traumatic aortic rupture
  • Thoracic surgery for lung cancers, esophageal cancer, chest injury repair and radiofrequency ablation of lung cancers
  • Heart valve surgery, including minimally invasive aortic valve replacement and port access mitral valve repair
  • Ventricular assist device implantation, including destination therapy and biventricular assist device