FC1-Shock
500ml Hextend results in
800ml of intravascular fluid expansion (effect can be maintained around 8 hours)
Perfusion of vital organs can be maintained with a systolic BP of
80mmHg
Order of importance of tissues in shunting
Brain, heart, lungs, kidneys
When would a combat medic use a ResQGARD
Combat medic does not have time, supplies, or equipment to gain vascular access
How much blood can the casualty loose before BP drops?
around 1500-2000mL
When does a casualty's blood pressure drop?
blood loss of atleast 1500-2000ml or more (sign of impending death) (decompensated shock)
Non-Hemorrhagic causes of hypovolemic shock
Dehydration Burns greater than 20% of body surface area
Intrinsic causes of Cardiogenic Shock
Direct damage to the heart itself ex: Heart muscle damage Dysrhythmia Valvular disruption
Hextend
Prehospital fluid of choice for combat trauma casualties suffering from hemorrhagic shock in the absence of blood and blood components
Extrinsic causes of Cardiogenic shock
Problems outside of the heart ex: Cardiac tamponade Tension pneumothorax
Palpable BP locations
Radial-80 Femoral-70 Carotid-60
Types of Distributive Shock
Septic Anaphylactic Neurogenic Psychogenic
Type of Cardiogenic shock a combat medic can provide treatment for in a combat environment
Tension Pneumothorax
Extracellular fluid
fluid outside the cell 1/3 of total body fluid
Intracellular fluid
fluid within cells 2/3 of total body fluids
Two Types of Extracellular fluid
interstitial fluid- surrounds tissue cells intravascular fluid- found in the vessels
During CCA when do you treat for Hemorrhagic shock
'C' in M.A.R.C.H
Solution of choice for burn casualties
Lactated Ringer
