Answer:
Increased force of heart contraction.
Explanation:
Pharmacology may be defined as the branch of the pharmaceutical science that are mainly concerned with drug action. The drug can be natural or the man-made type.
Cardiac glycosides are the organic compounds that mainly works with the increase in the output force of the heart. This increases the rate of the heart contractions and mainly acts on the sodium potassium ATPase pump in the cells.
Thus, the answer is increased force of heart contraction.
