The 37-year-old reality star Instagrammed a selfie from her hospital bed on Tuesday, letting her fans know that she's doing just fine after heart surgery.
"My ❤️ surgery was a success!!" Zolciak wrote next to the surprisingly glamorous shot. "I can't wait to be back on my feet 100%! Glad it's over! Quite the whirlwind this last month has been...but such a blessing too."
"The minor TIA [transient ischemic attack] revealed that I have a PFO [patent foramen ovale], a hole in my heart that never closed," the mother-of-six said.
See Kim through the years:
Kim Zolciak through the years
Kim Zolciak shares glam post-heart surgery selfie, calls procedure 'a success'
THE REAL HOUSEWIVES OF ATLANTA -- Pictured: Kim Zolciak (Photo by John Amis/NBC/NBCU Photo Bank via Getty Images)
NBC PRESS TOUR JULY 2008 -- 'All Star Party' -- Pictured: (l-r) DeShawn Snow, NeNe Leakes, Sheree Whitfield, Kim Zolciak, Lisa Wu Hartwell during the 2008 NBC Press Tour 'All Star Party' held at the Beverly Hilton Hotel in Beverly Hills, CA on Sunday, July 20, 2007 -- Photo by: Paul Drinkwater/NBCU Photo Bank
BEVERLY HILLS, CA - JULY 20: Star Kim Zolciak of 'The Real Housewives Of Atlanta' speaks during day 13 of the Bravo portion of NBC Universal 2008 Summer Television Critics Association Press Tour held at the Beverly Hilton hotel on July 20, 2008 in Beverly Hills, California. (Photo by Frederick M. Brown/Getty Images)
NEW YORK - OCTOBER 21: (L-R) 'The Real House Wives of Atlanta' NeNe Leakes, Sheree Whitfield, Lisa Wu Hartwell and Kim Zolciak visit 'The Morning Show with Mike and Juliet' at FOX studios on October 21, 2008 in New York City. (Photo by Charles Eshelman/FilmMagic)
THE REAL HOUSEWIVES OF ATLANTA -- Pictured: Kim Zolciak (Photo by Wilford Harewood/NBC/NBCU Photo Bank via Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured: Kim Zolciak -- (Photo by: Heidi Gutman/Bravo/NBCU Photo Bank via Getty Images)
NEW YORK - SEPTEMBER 17: TV personalities NeNe Leakes, Bethenny Frankel and Kim Zolciak speak onstage during 2009 VH1 Divas at Brooklyn Academy of Music on September 17, 2009 in New York City. (Photo by Jeff Kravitz/FilmMagic)
ATLANTA - NOVEMBER 03: The Real Housewives of Atlanta's NeNe Leakes and Kim Zolciak attend the 2009 Soul Train Awards at the Georgia World Congress Center on November 3, 2009 in Atlanta, Georgia. (Photo by Johnny Nunez/WireImage)
LOS ANGELES, CA - NOVEMBER 22: TV Personality Kim Zolciak (R) arrives at the 2009 American Music Awards at Nokia Theatre L.A. Live on November 22, 2009 in Los Angeles, California. (Photo by Charley Gallay/AMA2009/Getty Images for DCP)
NEW YORK - DECEMBER 10: TV personality Kim Zolciak performs at Splash Bar on December 10, 2009 in New York City. (Photo by Dario Cantatore/Getty Images)
LOS ANGELES, CA - MARCH 27: Kim Zolciak attends Perez Hilton's 'Carn-Evil' Theatrical Freak and Funk 32nd birthday party at Paramount Studios on March 27, 2010 in Los Angeles, California. (Photo by Jason LaVeris/FilmMagic)
THE REAL HOUSEWIVES OF ATLANTA -- Season 3 Gallery --Pictured: Kim Zolciak -- (Photo by: Quantrell Colbert/Bravo/NBCU Photo Bank via Getty Images)
ATLANTA - AUGUST 19: Kim Zolciak, of the reality television show The Real Housewives of Atlanta, watches the game between the Atlanta Falcons and the New England Patriots at the Georgia Dome on August 19, 2010 in Atlanta, Georgia. (Photo by Scott Cunningham/Getty Images)
Kim Zolciak attends Jeffrey Sanker's White Party screening for Bravo's 'Real Housewives of Atlanta' at Eleven NightClub on October 18, 2010 in West Hollywood, California. (Photo by Brian To/FilmMagic)
THE REAL HOUSEWIVES OF ATLANTA -- 'Nothing Ventured, Nothing Gained' Episode 401 -- Pictured: (l-r) Kim Zolciak, Kroy Biermann (Photo by Wilford Harewood/NBC/NBCU Photo Bank via Getty Images)
ROSWELL, GA - OCTOBER 22: Castmember Kim Zolciak of the Real Housewives of Atlanta Trick or Treats in her SVEDKA_GRL Halloween Costume on October 22, 2011 in Roswell, Georgia. (Photo by Ben Rose/WireImage for SVEDKA_GRL)
ATLANTA, GA - DECEMBER 14: Real Housewives of Atlanta cast member Kim Zolciak appears on set during the Real Housewives of New Year's Eve Ciroc Vodka PSA shoot on December 14, 2011 in Atlanta, Georgia. (Photo by Ben Rose/WireImage for Ciroc)
WATCH WHAT HAPPENS LIVE -- Pictured: (l-r) Kim Zolciak, Kroy Biermann (Photo by Peter Kramer/NBC/NBCU Photo Bank via Getty Images)
PASADENA, CA - APRIL 18: Kim Zolciak arrives at the 2012 NBC Universal Summer press day hled at The Langham Huntington Hotel and Spa on April 18, 2012 in Pasadena, California. (Photo by Michael Tran/FilmMagic)
DON'T BE TARDY... -- Season 2 -- Pictured: Kim Zolciak -- (Photo by: Derek Blanks/Bravo/NBCU Photo Bank via Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured: Kim Zolciak -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
ATLANTA, GA - MAY 02: Kim Zolciak Biermann onstage at the Atlanta Ultimate Women's Expo on May 2, 2015 in Atlanta, Georgia. (Photo by Paras Griffin/Getty Images)
WATCH WHAT HAPPENS LIVE -- Pictured: Kim Zolciak-Biermann -- (Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)
LOS ANGELES, CA - SEPTEMBER 21: TV personality Kim Zolciak Biermann (R) and TV personality/dancer Tony Dovolani attend 'Dancing with the Stars' Season 21 at CBS Televison City on September 21, 2015 in Los Angeles, California. (Photo by David Livingston/Getty Images)
"I have heard all sorts of ppl commenting on 'what might have caused my mini stroke,' let me be real clear, I am a very healthy woman who takes great care of myself, however I was born with PFO (a hole in my heart) which enabled a clot to cross over and stop oxygen to my brain for a very short time in turn causing me to have a TIA, I will be having heart surgery to repair it," she wrote. "By no means did my waist trainer cause my blood clot or my TIA. I would never use anything nor promote anything that I personally didn't love or something that was dangerous. I LOVE LIFE WAY TOO MUCH! and I have a whole lotta living to do."
ET caught up with Zolciak in June, when she revealed that she wears her waist-trainer for five hours a day -- a practice she admitted makes her sweat "profusely." She also made it clear that she isn't afraid of the hidden dangers associated with waist-training. "I have not gotten a varicose vein, have not had acid reflux, not had any issues whatsoever," she said.