I had kidney stones when I was living in the UK.
At just past midnight I went to A&E with excruciating pain in my abdomen.
Within 2 hours, I was in an MRI machine where they noticed a kidney stone blocking the ureter.
I was then scheduled for an ultrasonic procedure to break up the kidney stones to take place later that morning should my condition not improve.
Fortunately, my kidney stones dislodged themselves and my kidney was able to drain into the bladder and I was subsequently able to pass urine. The actual surgery for removal of my kidney stones took place later using a keyhole surgery.
Total cost of everything: £13 for a taxi in the middle of the night to get me to hospital.
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Several years later, I'm living in Australia,
Find my self with a nasty viral infection in my throat. After a couple of bouts of very strong oral antibiotics not improving my condition, my GP told me to go to a local hospital for treatment. I stayed overnight, with intravenous antibiotics, had a MRI while I was there. Discharged the following day having improved massively.
Total cost of everything: $0.00
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Funny how these examples of socialised medicine cost me nothing, and yet, both of my treatments involved same-day use of an MRI.