Medications might also cause a drop in blood pressure. Beta-blockers and nitroglycerin, used to treat heart disease, are common culprits. Diuretics, tricyclic antidepressants, and erectile dysfunction drugs can also cause hypotension. Some people have low blood pressure for unknown reasons.
Theoretically, then, the President can probably pardon him/her-self for any Federal crime â but this only prevents actual prosecution for that crime, not impeachment for the crime itself. Prior Answer, to the hypothetical of the VP murdering the President and then pardoning himself:
PRESIDENT'S PARDONING POWER an injunction entered on behalf of the United States and was ar-rested, found guilty of contempt of court, and sentenced to one yearin jail and a fine of $1000. Thereafter, he was granted a pardon byPresident Coolidge.