The former NBA star lapsed into a 4-day coma after being found unconscious at a Nevada brothel this week
A source close to the situation confirms to PEOPLE that “Lamar is conscious and was able to say hi to Khloé” on Friday afternoon.
“But his condition remains guarded,” the source adds.
Another source close to the family told PEOPLE on Friday that Odom had opened his eyes and that “there has been some improvement” in the days since Odom, 35, lapsed into a coma after being found unconscious at a Nevada brothel on Tuesday.
Sources previously told PEOPLE on Thursday that the former NBA player was breathing with the help of a ventilator at Sunrise Hospital in Las Vegas.
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• Reporting by ELIZABETH LEONARD and AILI NAHAS