Ronald Koeman has undergone a heart procedure in Amsterdam after being rushed to hospital with chest pains on Sunday.
The 57-year-old, who managed Southampton and Everton in the Premier League before taking over his country almost two years ago, was taken to hospital on Sunday evening where he underwent cardiac catheterisation.
Koeman is expected to return home from hospital on Monday
That involves the placement of a long, thin tube into a vein or artery and is typically performed without general anaesthetic.
Dutch newspaper De Telegraaf broke the news, which was later confirmed by his wife Bartina and agent Rob Jansen.
Koemans condition is stable and he is due to return home on Monday.
A statement from the Dutch football association, the KNVB, read: “Ronald Koeman was hospitalised on Sunday evening after chest complaints.
“The 57-year-old national team coach of the Dutch national team has undergone a successful cardiac catheterisation and will return home tomorrow.
“We wish Ronald a lot of strength and improvement.”
A tweet from the governing body’s account added: “That is a shock. Fortunately things are going better again.”
Well wishes flooded in from Koemans former clubs and players after the news was confirmed on Sunday evening, with Everton posting a message of support for the former Barcelona defender.
France midfielder Morgan Schneiderlin, who played under Koeman for both the Toffees and the Saints, was also quick to react.
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Holland and Liverpool midfielder Georginio Wijnaldum also added on Twitter:
Former Everton winger Yannick Bolasie tweeted:
Romelu Lukaku, who worked with Koeman at Everton, tweeted: