User talk:77.120.177.176

March 2018
Hello, I'm L293D. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Second-degree atrioventricular block— because it did not appear constructive. If you would like to experiment, please use the sandbox. If you think I made a mistake, or if you have any questions, you can leave me a message on my talk page. Thanks. L293D (☎ • ✎) 19:23, 6 March 2018 (UTC)