The doctors said it was a "very mild" heart attack.
The doctors say, this was a very mild heart attack, she said.
"The President and his administration sent their thoughts and prayers to Larry and his family," Sanders said.
Earlier, Trump tweeted on Kudlow's health.
"Our Great Larry Kudlow, who has been working so hard on trade and the economy, has just suffered a heart attack...," Trump tweeted.
The tweet came as he landed at the venue of the meeting.
Kudlow,70, Director of the National Economic Council, White House, has been leading the Trump administration's efforts in shaping the country's economic policies and trade talks with other countries.