Physicians at Loma Linda University Medical Center – Murrieta have completed 100 left atrial appendage closures with the use of a device called the Watchman to treat patients with a heart condition ca…… Source: http://feedproxy.google.com/~r/ann-en/~3/n9s9mWX9CEM/one-hundred-patients-at-llumc-murrieta-have-benefitted-from-minimally-invasive-surgery-to-treat-atrial-fibrillation