<prompt> ECG changes that occur after administration of Digoxin includesST elevationPR prolongationQT prolongationST depression  <response>: D ST depression Digoxin effects on ECG: Shows down slope ST depression with a characteristic Salvador Dali sagging appearance Flattened, inverted, or biphasic T waves. Shortened QT interval. Delay due to development of 1:1 A-V conduction. 