Phlebotomy

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  • in greek, phlebos means veins and tome means incision
  • phlebotomy is an invasive procedure that involves the body through cutting or puncture
  • phlebotomy is performed by a phlebotomist
  • two main phlebotomy procedure are venipuncture and capillary puncture
  • venipuncture is right through the vein
  • capillary puncture is puncturing skin through small puncturing device
  • bloodletting was believed to be a therapeutic session through removing blood in the body
  • crude tools are the instrument used for bloodletting
  • Hippocrates (460-377BC) is known to be the father of medicine
  • the 4 humors are blood, phlegm, black bile, and yellow bile
  • William Harvey theory is about adjusting excess body fluids must be removed except blood
  • 3 techniques are venesection, cupping, and leeching
  • venesection comes from the latin word, vena means vein and sectio means cutting
  • venesection uses scalpel, lancelets, and fleams
  • cupping is the procedure that required placing suction cup over an area of skin to create a blister
  • two types of cupping are dry cupping and wet cupping
  • dry cupping is done through puncturing the skin and waiting for blood to come out
  • wet cupping puts pressure and cuts the formed swollen skin to let the blood come out
  • leeching is applied to the patients skin on the affected area to fill themselves with blood
  • Hirudo medicinalis is the sicientific name of medicinal leech
  • vasodilator, veins dilate when leech sticks
  • George Washington, first US president that used bloodletting to cure his throat infection in 1799
  • George Washington' blood was drained of estimated 40% volume or 2,500ml in 2 days