BLOOD

PLASMA

A YELLOW, WATERY, STICKY, SALTY FLUID.

MAKES UP ABOUT 55% OF THE VOLUME

CARRIES: CELLS AND NUTRIENTS, WASTE MATERIAL,

AND CLOTTING PRODUCTS

RED BLOOD CELLS

RBC, ERYTHROCYTES, RED CORPUSCLES.

CARRY O2 TO CELLS AND CO2 AWAY

WHITE BLOOD CELLS

WBC, LEUKOCYTES, WHITE CORPUSCLES.

DESTROY GERMS AND PRODUCE ANTIBODIES

PLATELETS - SMALLER THAN RBC & WBC

RELEASE CHEMICALS THAT ARE NEEDED TO FORM BLOOD CLOTS.

EXTERNAL BLEEDING CONTROL

• 1. DIRECT PRESSURE
  
• 2. ELEVATION - if no bone or joint injury
  
• 3. PRESSURE POINTS
  
• 4. SPLINTING
  
• 5. PASG, PCCD, MAST?
  
• 6. TOURNIQUET
  
• 7. BP CUFF (AS A TOURNIQUET)

INTERNAL BLEEDING

ASSUME INTERNAL BLEEDING WHEN YOU FIND:

• 1. WOUNDS THAT PENETRATE THE SKULL
  
• 2. BLOOD OR BLOODY FLUIDS IN EARS OR NOSE
  
• 3. VOMITING OR COUGHING UP BLOOD
  (BRIGHT RED OR COFFEE-GROUND LOOKING)
  
• 4. NECK BRUISES
  
• 5. PENETRATING WOUNDS OF THE CHEST
  OR ABDOMEN
  
• 6. BRUISED OR SWOLLEN ABDOMEN
  
• 7. ABDOMINAL TENDERNESS, RIGIDITY,
  SPASMS OR GUARDING
  
• 8. BLOOD IN THE URINE
  
• 9. RECTAL OR VAGINAL BLEEDING
  
• 10. FRACTURES - ESPECIALLY PELVIS, & FEMUR