Listen: Kourtney Kardashian's 911 Call

Frazer Harrison/ Getty Images

ET has obtained the 911 call of Kourtney Kardashian telling a dispatcher that her baby son Mason Disick had hives on his face and was throwing up.

"I didn't realize. ... I just thought he was sick because I'm a little sick and then I looked at his face," Kourtney calmly told the 911 operator. The dispatcher explained to the new mom to hold her 11-month-old baby in an upright position and to call back if he started having trouble with his breathing.

Kourtney talked about the incident on her blog last week, writing, "I learned such a lesson with this…to always follow my instincts and call 911. Always better safe than sorry."

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