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Equine Disease & Injury
Stress, Inflammation, Shock
22
Other
Undergraduate 3
09/21/2010

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Term
STRESS
Definition
stress placed on the horse that will lower their disease resistance
ex. gestation, growth, new environment, age, training, etc.
Term
INFLAMMATION
Definition
hot swelling
bodies good response; removes dead and injured tissue
signals WBC to respond
it can get out of bounds (ex. fever)
swelling, heat, redness, and often pain
Term
INFLAMMATION PROCESS
Definition
blood vessels constrict and shut down to limit fluid loss, then they enlarge to increase blood flow to the area, it accelerates how fast WBCs and such can get to the area
Term
SHOCK
Definition
circulatory deficiency that results in less blood flow to the outer extremities of the horse
Term
CAUSES OF SHOCK
Definition
trauma
surgery
toxemia
blood loss
anemia
allergic reaction
colic
burns
major infections
severe dehydration
Term
SHOCK SYMPTOMS
Definition
cold extremities
capillary refill time lengthens
gums may be white/pale pink/brick red
temperature will drop
cold sweat
decrease in blood pressure
Term
SHOCK TREATMENT
Definition
increase volume
IV fluids; too much fluid too fast can cause vessels to leak usually given a lot and then tapered off
antibiotics/ corticosteroids/ anti-iflammatories
keep warm
Term
EDEMA
Definition
cold swelling, accumulation of excess fluid being stored in body tissue, can occur for example over night-stocked up
Term
EDEMA CAUSES
Definition
disruption in fluid system, can be blood related or lymphatic system
protein loss, kidney disease, gastrointestinal disorders
Term
EDEMA TREATMENT
Definition
try to treat the underlying cause, compression bandages, warm area (linament)
Term
NECROSIS
Definition
wound with skin flap hanging, can start to putrefy if it does not fall off/ dry out and can lead to gangrene/rotting which can cause toxemia
Term
GANGRENE
Definition
death of tissue plus putrefaction
Term
GANGRENE CAUSES
Definition
loss of blood supply-ischemia, blood vessels cut, pressure constriction of blood vessels, some bacteria produce toxins that can lead to gangrene (ex. tetanus)
Term
GANGRENE TREATMENT
Definition
remove necrotic tissue (debriding), increase circulation and air flow to the area, antibiotics and possibly some anti-toxins
Term
SEPTICEMIA
Definition
presence of pathogens or toxins in the blood
symptoms: signs of infection, sometimes none b/c its the whole body, fever, anorexia
treatment: antibiotics and some fluid therapies
Term
HEMORRHAGE
Definition
definition: bleeding uncontrollably
causes: trauma, surgery, clotting disorders, certain toxins
treatment: find the cause, stop the blood, pressure on wound, compression bandage w/ ice, internally;replace fluids
Term
ANEMIA
Definition
condition where the blood is deficient in oxygen carrying ability
Term
NON-REGENERATIVE ANEMIA (DECREASED PRODUCTION)
Definition
the body is not producing enough RBCs
slower onset; longer to realize it
more common w/ chronic disease
can be brought on by overuse of antibiotics
increase in fatigue for no reason
Term
REGENERATIVE ANEMIA (PRODUCTION STILL HAPPENING)
Definition
Hemolytic; increased destruction of blood cells. RBC can just start breaking up and can cause a large clot in the vessels(introvascularly), extrovascularly can be destroyed by phagocytosis in the kidneys and liver
Hemorrhage; loss of blood cells, extreme parasite load, extreme gastric ulcers, most rapid onset
Term
REGENERATIVE ANEMIA (PRODUCTION STILL HAPPENING)
Definition
Hemolytic; increased destruction of blood cells. RBC can just start breaking up and can cause a large clot in the vessels(introvascularly), extrovascularly can be destroyed by phagocytosis in the kidneys and liver
Hemorrhage; loss of blood cells, extreme parasite load, extreme gastric ulcers, most rapid onset
Term
ANEMIA SYMPTOMS
Definition
ataxia, blindness, shock, coma, death
Icterus; jaundice-liver is breaking down biloruben and hemoglobin; caused by a hemolytic anemia
Term
ANEMIA TREATMENT
Definition
transfusion, careful fluid loading, find cause, run a fecal check for ulcers, modified diet, spleen, can contract and push many more blood cells into the system, best CBC test from a tranquil horse
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