My mom is in the hospital for heart surgery.

For most of my mom's life, she has had Atrial Fibrillation. It's a condition where your heart beats irregularly. It's been affecting her sleep and health practically forever, and today she's getting surgery to try and fix it. For the procedure, they stick a catheter in through some veins up through your body from your lower torso up to your heart, and burn off the fluttering parts. The procedure has an extremely low morality rate, but I've been worried all day for her.