Answer
Isosorbide mononitrate relaxes blood vessel smooth muscle, predominantly dilating veins to reduce blood return to the heart and preload; at higher plasma concentrations, it also dilates arteries, reducing vascular resistance and afterload.
Sources for this answer
- Imdur Tablets 60mgTopRidge Pharma Ltd · emc · SmPC §5.1 Pharmacodynamic properties · Version 11Document updated
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