[Article in German] BÃ¶hm M. Adenosine has a negative inotropic effect in cardiac atrial preparations (direct negative inotropic effect). This effect is probably due to an activation of a potassium outward current which shortens the action potential duration and hence reduces the force of contraction.
A scatterplot is a graph that is used to plot the data points for two variables. Each scatterplot has a horizontal axis (x-axis) and a vertical axis (y-axis). One variable is plotted on each axis.
Step 1. Launch Excel and open the spreadsheet with the data to transform into an X-Y scatter plot diagram. Step 2. Highlight the columns or rows with the data to include in the scatter plot. Related Reading: How to Plot Scattergrams on Excel. Step 3. Click the âInsertâ tab, and then choose the âScatterâ menu from the Charts section of the ribbon. Step 4. Select one of the scatter plot diagram options, such as âScatter with only Markers,â âScatter with Smooth Lines and Markersâ or âScatter with Straight Lines.â The scatter plot is inserted into the Excel spreadsheet.