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EMbalming Q2 QTR 2

SItes of injection One point, split point, multipoint, restricted cervical
one point injection and drainage through one point
split injection injection at one point, drainage at another
multipoint (sectional) two or more injection or drainage sites
restricted cervical both common carotids in the start, right jugular for drainage
Gravity injection vase like container suspended with a hose attached. 434 lbs/ft of elevation of pressure is gained
Hand pump (manual) pressure through a jar
Bulb syringe Bulb between jar and body, also had a form of this in a gravity injector
Air pressure mechanized pump and tanks
Electrical injection reservoir attached to motor causing centrifugal force sucking the fluid
Pressure Force required to distribute embalming through the body
potential pressure pressure indicated by gauge when fluid is not going into body
Actual pressure pressure indicated when fluid is going into the body
differetial difference between two, indicates resistance in the body
Intravascular factors affecting pressure/resistance size of vessels, condition of vessels, local congestion (coagulation)
Extravascular factors affecting pressure weight of viscera, gas in viscera, tumors, acites (edema), contact pressure
Cause of death and resistance febrile disease can lead to clotting, swelling from trauma is like edema
Post mortem interval implications longer the length the more likely problems are to arise, rigor constricts blood vessels, decomp, gas, discolorations
Restricted drainage purposely done by the embalmer to build pressure in the body to help move blood clots
Progress of the embalming More fluid increases resistance. The more you have injected, the more resistance you will get
Primary dilution Dilution of the concentrated arterial solution by the embalmer
Formalin, water reaction CH20 + H2O---> CH2(OH)2
Rate of flow the amount of the solution entering the body measured in oz/min or g/hr. MORE CRUCIAL THAN PRESSURE. A too high rate fo flow will separate the cells and the fluid will go between it and cause distention.
Index g/100 mL of water
Secondary dilution dilution of already diluted fluid by body fluids. Increased by edema, decreased by dehydration
Fluid distribution movement of fluid through arterial, capillary and veinous portions
fluid diffusion passage of some elements of the solution from intra to extravascular
Methods of fluid diffusion pressure filtration, osmosis, dialysis, gravity filtration
Pressure filtration passage of fluid through capillary walls due to positive pressure
Osmosis passage of solvent through a semipermeable membrane from dilute to concentration
Dialysis The separation of differing substances in solution due to their differing diffusibility through semipermeable membranes
Gravity filtration extravascular settling due to gravity
Signs of fluid diffusion Distention of superficial vessels, blood drainage, reduction of lividity, change in skin color, mottling of tissue (orange peel effect due to uneven fluid diffusion) rehydration of tissue, desirable distention of tissue, tissue fixation
Least reliable sign of diffusion Tissue fixation