STAT means now. Everything else means consult a specialist.
A biological protein catalyst that speeds up chemical reactions with the enthusiasm of a personal trainerāwithout it, life's chemistry would grind to a depressing halt at room temperature.
Red blood cellsāthose tiny, disc-shaped oxygen delivery vehicles that stream through your veins in the billions. They're basically the UPS trucks of your circulatory system, except they never unionize.
When the heart's interior lining gets inflamed, usually from sneaky bacteria throwing an uninvited party in your cardiac chambers. It's basically sepsis, but with more dramatic consequences for your most essential organ.
Relating to the causes or origins of diseaseāthe adjective form for when you want to sound fancy while discussing 'why you got sick.' It's aetiology's more pretentious cousin.