Anne Marie,
I've been home testing with the Protime for two years, and haven't been to a lab in just under two years. I've been on vacation several times and take my machine with me. The last time I went out of the country to Europe. I always take my Coumadin in the morning and I simply continued it there when I arrived. Never had a problem! I just tested a bit more often since it was during the holidays and I was drinking more alcohol. The only thing is when you stay for a length of time you will need a Power Converter. I bought one for this trip but never used it for the unit, and was able to run it off the battery for the weeks I was there. I tried it on the blowdryer I had brought, but it didn't work as it only covered for 1500 watts max. My blowdryer was 1800 watts and it blew a fuse at my brothers house. After that I was afraid to recharge my Protime unit with the Power Converter. This was my first time with the Power Converter and I was afraid to damage my Protime machine. Protime units don't come cheap.
I test once a week but only call my doctor every two weeks with the results. I have also at times tested every two weeks but feel better about the once a week testing.
Wishing you the best.
Christina
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AVR's 8/7/00 & 8/18/00
Tucson, AZ