Conduction block. A block of your heart's electrical pathways can occur in or near the atrioventricular node, which lies on the pathway between your atria and your ventricles.

As these blockages and seals open, the natural process of ascension can begin to occur.

Anger at others or oneself or at the whole world, creates serious blockages in one' s energy. It is the most complex inner enemy.

Drugs that directly relax the blood vessels. These include calcium channel blockers (CCBs) and other direct dilators (relaxers) of blood vessels

I could beg my doctor for preventative beta-blockers, but the list of side-effects including depression, insomnia and loss of libido sounds even less attractive than the migraines.