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Another fever yesterday at 5AM.  Back in the hospital on antibiotics.  No source of fever as yet.  Liver function tests were up yesterday and a bit down today.  lots and lots of tests... blood, every kind of imaging.  fortunately, nothing painful for now.  there was one blood culture that has a gram positive bacteria (covered by the IV antibiotic);  might be a false positive skin contaminant;  won't know until it grows out in culture.  They want to do an arteriogram to check for and possibly improve blood flow into the liver, but they will wait another day for antibiotics to do whatever they might be doing.