Shock Flashcards
Types of resuscitation
BLS
CPR
Respiratory
Fluid
Shock stages
Compensated
Decompensatory
Irreversable
Fick Principle
- Adequate concentration of inspired O2
- on-loading of O2 to red blood cells
- Delivery of red blood cells to tissue cells
- Off-loading of O2 from red blood cells to tissue cells
Adequate concentration of inspired O2 requires
3
- Adequate ventilation
- high concentration of inspired O2
- Unobstructed air passage
on-loading of O2 to red blood cells requires
2
- minimal obstruction across alveolar-capillary membrane
- appropriate binding of O2 to hemoglobin
Delivery of red blood cells to tissue cells requires
5
- Normal hemoglobin levels
- Circulation of oxygenated cells to tissue
- adequate cardiac function
- adequate colume of blood flow
- Proper routing of blood through vasculature
Off-loading of O2 from red blood cells to tissue cells requires
3
- Close proximity of tissue cells to capillaries
- Ideal Ph (7.35 - 7.45)
- Ideal Temperature
Types of shock
5
- obstructive shock
- Cardiogenic shock
- Distributive shock
- Hypovolemic shock
- Respiratory/Metabolic shock
Hypovolemic
Define
Shock from low blood volume or other body fluids
Distributive shock
Define
Cant perfuse enough blood due to excessive vasodilation and increase in capillary permeability
Cardiogenic shock
Define
Ineffective pump function of the heart. Hypoperfusion results from the inability of the heart to contract effectively
Obstructive shock
Define
Everything is working effectively but theres an obstruction that wont allow blood to move forward
Respiratory shock
Define
Dysfunction in the ability of oxygen to diffuse into the blood, be carried by hemoglobin, off-load at the cell, or be used effectively by the cell for metabolism
Ex. Cyanide
Hypovolemic shock
Causes
(2)
- Hemorrhagic
- Nonhemorrhagic = Burns
Cardiogenic shock
Causes
(6)
- MI
- CHF
- Beta blocker/calcium channel blockers
- Abnormal rhythm
- Depressed pump function
- overdose