MONA: Immediate Treatment of MI Remember that MONA does not represent order in which you should administer these treatments. It is a mnemonic to help you remember the components of MI treatment, not the prioritization of them.
Preload is the stretch. The amount of volume being returned to the right side of the heart from systemic circulation. Afterload is the squeeze. The amount of resistance the left side of the heart has to overcome in order to eject blood.