Saturday, October 9, 1999 Published at 12:50 GMT 13:50 UK
Yeltsin's health record
The controversial hospital picture released in July 1995
A timeline of Boris Yeltsin's health record:
1949-1955: The stress of playing volleyball several hours a day and studying at night lands him in hospital, but he ignores doctors' warnings and discharges himself.
1987: Taken to hospital with head and heart pains shortly after his dismissal from the Soviet Communist Party Politburo.
April 1990:Undergoes operation in Barcelona, Spain, for a slipped disc.
September 1991: Forced to take a break due to minor heart problems, following the putsch that made him the most high-profile champion of democracy in the Soviet Union.
October 1991: Ordered to take two weeks' rest after aides said he suffered minor heart problems.
April 1992: Misses a meeting with the then US Treasury Secretary Nicholas Brady. He claims he was working, but media say he was drunk.
April 1993: Says he has only two problems - tiredness and lack of sleep.
September 1993: Suffering back pains, he invites the Spanish surgeon who operated on him in 1990 to Moscow.
April 1994: Offers to undergo a public check-up, adding: "I hope you will all be as well as I am when you reach my age."
September 1994: Fails to get off the plane during stopover at Shannon airport in Ireland, keeping the Irish Prime Minister waiting on the tarmac. Russian officials say he has "forgotten" to wake up, but his former bodyguard says he suffered more heart trouble.
December 1994: Admitted to hospital for 10 days for what is officially described as a nose operation, just as Russian troops pour into Chechnya.
April 1995: Spokesman says he suffers from high blood pressure.
July 1995: Hospitalised for a fortnight with an ischaemic heart condition - a blood supply problem. A photograph is released to show he is well, but is later revealed to bear a suspicious resemblence to a picture taken in April.
October 1995: Hospitalised for a month with more circulatory and heart problems.
February 1996: Launches a vigorous campaign to win a second term in office. Travels non-stop, holds dozens of meetings and even dances the twist.
3 July, 1996: Re-elected president.
15 July, 1996: Welcomes US Vice-President Al Gore at a government rest home in the Moscow suburbs, in the presence of a doctor.
August 1996: An aide says the president is suffering from "colossal weariness" after his election campaign and needs two months of peace and quiet.
September 1996: Breaks with Kremlin tradition to say he will have heart surgery.
20 September, 1996: Chief heart specialist Renat Akchurin tells a US television channel Yeltsin had an unreported heart attack in late June or early July.
November 1996: Undergoes successful quintuple heart bypass operation in the Central Clinical Hospital in Moscow.
December, 1996: Returns to Kremlin.
9 January, 1997: Hospitalised for double pneumonia until January 20.
February 1997: Resumes work in the Kremlin.
March 1997: First foreign trip after the operation and illness. Meets US President Bill Clinton in Helsinki.
July 1997: Regains some of the weight he lost during his illness. He says his heart "works like a clock".
4 November, 1997: Akchurin says Yeltsin's latest medical check-up shows he was in good health.
10 December, 1997: Admitted to hospital with a viral infection.
13 January, 1998: Rides a snowmobile to demonstrate his fitness.
13 March, 1998: Respiratory infection forces Yeltsin to cancel appointments.
17 March, 1998: Moscow announces postponement of summit meeting of leaders of former Soviet states due to have been held on March 19, after Yeltsin's doctors order further rest to allow him to recover from respiratory infection.
20 March, 1998: Returns to work in the Kremlin.
28 April, 1998: French President Jacques Chirac is quoted saying that Yeltsin's health is good, but he has had a liver problem and is abstaining from alcohol.
3 September, 1998: At a news conference with Clinton, Yeltsin has trouble remembering protocol. He shocks his audience by leaving a long pause before giving an oblique reply to a question on former premier Victor Chernomyrdin.
8-9 October, 1998: Looks pale, speaks with difficulty and walks stiffly at a Kremlin meeting with Palestinian leader Yasser Arafat.
12 October, 1998: Suffers a prolonged bout of coughing at a signing ceremony in Uzbekistan.
27 October, 1998:Checks into a sanatorium - a day after abruptly calling off his visit to Vienna suffering from "unstable blood pressure".
29 October, 1998: Gives up day-to-day running of the country. Deputy Chief of Staff, Oleg Sysuyev, announces the president will concentrate on revising the constitution to ensure a stable transition to his successor.
18 November, 1998: Cancels trip to India - no official explanation given.
23 November, 1998: Readmitted to hospital with what the Kremlin says is a bout of pneumonia, after developing a high temperature. Talks with visiting Chinese President Jiang Zemin are switched to the Central Clinical Hospital in Moscow, where the two leaders are shown looking relaxed.
7 December, 1998: After a brief return to the Kremlin, President Yeltsin is back in hospital again, having sacked one of his closest advisers.
17 January, 1999: President Yeltsin is taken to hospital to be treated for an acute stomach ulcer.
8 February, 1999: The president flies back to Moscow hours after arriving in Amman for King Hussein's funeral. His aides deny Jordanian reports that he needed medical attention.
27 February, 1999: Returns to hospital where examination shows he needs further treatment for his ulcer. He is not released until three weeks later.
18 May, 1999: A spokesman denies reports that President Yeltsin is ill with bronchitis after he cancels a meeting with the Spanish prime minister.
9 October, 1999: The president is hospitalised again for what his spokesman says is influenza and a fever.