Feinstein 'Resting Comfortably' After Pacemaker Procedure

California Sen. Dianne Feinstein is "working from home and resting comfortably" after undergoing a "routine, voluntary medical procedure" to install a pacemaker, her office said Wednesday.

Feinstein underwent the non-emergency procedure on Tuesday at George Washington University Hospital, her office said in a statement.

The pacemaker was installed after recent tests "out of an abundance of caution," press spokesman Tom Mentzer said in an email. He declined to provide additional details.

Feinstein, 83, is the top Democrat on the powerful Senate Judiciary Committee. On Tuesday, before the pacemaker procedure, she raised tough questions for Sen. Jeff Sessions (R-AL), President-elect Donald Trump's nominee for attorney general.

At the nationally televised hearing, Feinstein raised concerns over Sessions' record on civil rights, discrimination, torture, hate crimes and immigration, and how he'll enforce the law of the land.

Feinstein was  first elected in 1992, the so-called Year of the Woman, prompted in part by outrage that no women sat on the Senate Judiciary Committee during the controversial confirmation hearings of Supreme Court nominee Clarence Thomas.

In 1993, Feinstein became one of two first-term female senators named to the Judiciary Committee. She is poised to be at the center of several high-profile Senate battles, including the confirmation of Trump's eventual nominee to fill an open seat on the U.S. Supreme Court.

Feinstein hasn't said whether she'll seek re-election in 2018.