82-year-old senator Patrick Leahy was hospitalized in W.DC

Credit by: Roll Call

Patrick was not feeling well at his residence late Thursday

Credit by: NBC News

Leahy has been admitted several times in recent years

Credit by: NBC News

Leahy had emergency hip surgery in June

Credit by:  VTDigger

The Vermont Democrat is the third longest-serving senator in American history

Credit by: Patrick Leahy

Leahy to serve in the Senate for 48 years until January 2023

Credit by: Roll Call 

At 34, he was the youngest senator in Vermont history

Credit by: VTDigger

Leahy had announced that he would not run for re-election in 2022

Credit by: AP News