Final answer:
Epinephrine under the Medical Cardiac Arrest Medical Directive is typically administered for asystole and pulseless electrical activity, as these are non-shockable rhythms where epinephrine can be critical.
Step-by-step explanation:
The conditions for epinephrine administration under the Medical Cardiac Arrest Medical Directive typically include instances of asystole and pulseless electrical activity (PEA), which are non-shockable rhythms. Epinephrine is also used in cases of anaphylactic shock due to its ability to raise blood pressure and relax bronchial smooth muscle. It is important to follow the specific protocols outlined by local medical directives or guidelines when administering epinephrine in cardiac arrest scenarios.