Clovis mother Alison Quinn Rangel nearly lost her life — and the life of her baby — after a rare and deadly heart tear at 37 weeks pregnant. In a race against time, doctors performed an emergency C-section followed by complex heart surgery to save them both. Cardiothoracic surgeon Dr. Shamsuddin Khwaja, OB-GYN Dr. Stewart Mason and inpatient supervisor Valerie Ragsdale help tell her story.