A 43-year-old Victorian MP was taken completely by surprise when he had a serious heart attack while driving to his rural home.
Nationals lower house MP Danny O'Brien says he felt unwell after leaving a conference on Friday and pulled into a Berwick hospital.
He says he was quickly transferred to Monash Medical Centre in Clayton after "what turned out to be a fairly serious heart attack".
"At 43, not overweight, a non-smoker and not a heavy drinker, this was a complete surprise," he said on his Facebook page on Sunday.
"What probably helped me was recognising the symptoms and seeking treatment promptly - as well as the great staff that looked after me."
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He's expected to remain in hospital for a few more days and will take a break from his parliamentary duties.
"Danny's experience is a sage reminder to us all of the importance of knowing the signs and symptoms of a heart attack, and of seeking medical help without delay," Nationals leader Peter Walsh says in a statement.
