There's growing calls for politicians and their families to give up private healthcare when making decisions for the country. 

A letter signed by health workers argues MPs should rely on the public EDs, waitlists and services used by everyone else. 

Spokesperson Doctor Marcus Lee says health workers are frustrated with the public system. 

The Northland cardiologist says it comes down to accountability and integrity - and means politicians will have skin in the game. 

"It's personal for us, it's personal for lots of Kiwis - they make policy decisions that impact a lot of people in New Zealand. So it is personal."

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