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Little Johnny and Grandad’s warfarin

Little Johnny is an inquisitive 15kg 3 year-old boy. His grandad was looking after him for the evening. About an hour ago, the phone rang just as grandad was about to take his evening warfarin tablets. Although he only turned his back for a second, there was enough time for little Johnny to start ploughing into the tablets...

CCC Critical Care compendium 340
Oxidative Stress in Critical Illness

Oxidative stress is refers an imbalance between production of reactive oxygen species and the protection of antioxidants, due to the accumulation of free radicals and/or the inability of antioxidants to counter their accumulation or effects.