White House press secretary Sarah Huckabee Sanders followed up with a statement on Kudlow describing "what his doctors say was a very mild heart attack".
Kudlow's friend Stephen Moore, of the Heritage Foundation, told Politico that he believes he will be okay.
Kudlow appeared on Jake Tapper's CNN Sunday Beltway show, State Of The Union, this past Sunday, accusing Canadian Prime Minister Justin Trudeau of undermining the U.S. and the G-7 confab with his comments.
IHOP changes its name to IHOb ... with a 'b' for burgers
Rebelez reassured customers that it will always continue to serve the restaurant's famous pancakes and breakfast selections. The temporary change celebrates the debut of the brand's new 'Ultimate Steakburgers, ' a line-up of seven new burgers.
Trump then headed to his summit with North Korean leader Kim Jong Un, whom Kudlow referred to as "the insane nuclear tyrant in North Korea".
A 70-year-old former financier, Mr. Kudlow left Wall Street in 2001 to work for the conservative magazine National Review and later appeared in a string of political and economic current affairs shows on the MSNBC news channel.
Trudeau, in a news conference on Saturday, reiterated his strong objections to steep tariffs on Canadian exports of steel and aluminum to the United States.
Trump's close friend was not travelling with the US President in Singapore.
Kingdom Hearts III Getting Limited Edition PlayStation 4 Pro
Is the Kingdom Hearts trailer enough to keep you going? A final trailer was then shown for Shadow of the Tomb Raider . It was nice to see Dragon Quest XI in the spotlight, a series that often doesn't enjoy its share of mainstream.
Vice President Mike Pence also tweeted about Mr Kudlow's heart attack.
Trump's choice of Kudlow to be his top economic aide elevated the influence of a longtime fixture on the business news network CNBC.
Apple Bans Cryptocurrency Mining On All Devices
These conditions extend to apps providing cryptocurrency futures trading, and other crypto-securities or quasi-securities trading. Four years ago, Apple removed every single bitcoin wallet application on its App Store, including popular wallet app Blockchain .