8AM quiz tomorrow, so today's post will be brief.
TIL: Virchow's triad is the collection of three general causes of thrombosis (blood clots in bad places). They are:
Stasis: the disruption or stoppage of blood flow
Endothelial injury: damage to the lining of blood vessels
Hypercoagulability: extra clot-y blood
Thrombosis is dangerous because the blood clots can break away from their site of formation and cause an embolism (blockage of a blood vessel). The most common place that the clot fragment will settle is in the lungs. This can be very dangerous. The only placebo controlled study ever performed on pulmonary embolisms (PEs) showed such a high fatality rate (26%) that any repeat study would be deemed unethical.
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