Chapter 28 - Bleeding and Soft Tissue Trauma Flashcards
the severity of blood loss in dependent on several variables:
1
2
3
4
5
amount of blood loss
rate of blood loss
other injuries or existing conditions
pt existing medical problems
pt age
classes of hemmorhage:
class I
amount of blood loss
HR
vasoconstriction
ventilatory rate
systolic bp
pulse pressure
skin
BL
classes of hemmorhage:
class II
amount of blood loss
HR
vasoconstriction
ventilatory rate
systolic bp
pulse pressure
skin
BL 15-30%
HR up up
VC up up
vent rate up
sBP norm
pp narrow
skin pale, cool, and clammy
classes of hemmorhage:
class III
amount of blood loss
HR
vasoconstriction
ventilatory rate
systolic bp
pulse pressure
skin
BL 30-40%
HR up up up
VC up up up
vent rate up up
sBP down
pp narrow
skin severely pale and cool
classes of hemmorhage:
class IV
amount of blood loss
HR
vasoconstriction
ventilatory rate
systolic bp
pulse pressure
skin
BL >40%
HR up up up up or down
VC up up up up or down down
vent rate up up up
sBP down down down
pp very narrow or wide
skin severely pale, cold, mottled
bleeding type - bright red, spurting blood from a wound that usually indicated a severed or damaged artery
arterial bleeding
bleeding type - dark red blood that flows steadily from a wound that usually indicates a severed or damaged vein
venous bleeding
bleeding type - slowly oozing blood that is dark or intermediate color of red that usually indicates damaged capillaries
capillary bleeding
two types of homeostatic agents:
dressing or powder
Epistaxis
Nosebleed
The two most common sources of internal bleeding are ________ or ______.
Injured or damaged internal organs and fractured extremities, especially femur and pelvis
Factors that may interfere with the clotting process and lead to an increase in the rate of bleeding or the amount of blood lost:
Movement
Low body temp
Medications
Intravenous fluids
Removal of dressings and bandages
a wound in which there is no break in the continuity of the skin is called a _______.
closed injury
an injury to the tissue and blood vessels contained within the dermis; or bruise.
contusion
black and blue discoloration associated with a contusion that occurs when the red blood cells in the blood that has leaked out of the capillary or vessel become deoxygenated
ecchymosis