Under the FMLA you can miss up to 12 weeks from work per calendar year. You can take 12 consecutive weeks off work, or you can take intermittent days off over the course of the year. Your employer might require you to provide 30 days advance notice before taking a leave of absence. Short-term disability plans of varying lengths are available through different employers and insurance firms. Some plans provide you with income benefits for up to a year.
Pulse deficit is more correctly termed apex-radial deficit [the heart rate measured [by palpation] at the apex of the heart minus the rate at the radial artery on the flexor aspect of the wrist] i.e. it means how many of the times the heart beats are those contractions not strong enough to be felt at the wrist.
A heart blockage (also called atrioventricular) is a bradycardio, or a heartbeat that is too slow. The heart is stimulated by electrical signals, and when the electrical signals are blocked either partially or totally between the upper and lower chambers of the heart, severe side effects may occur.