Chapter 13, The Paramedic by Will Chapleau
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Regardless of cause of shock what is the primary goal? | Preserve Airway, Breathing, Circulation; appropriate resuscitation measures, and transport the patient quickly.
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Regardless of cause of shock what are the primary goals? | Preserve Airway, Breathing, Circulation, Appropriate Resuscitation Measures, and transport the patient quickly.
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3 Components required for perfusion | 1.Functioning Pump(The Heart)
2.Appropriately sized container(Vascular System)
3. Adequate circulating blood volume with red blood cells capable of carrying oxygen and removing wastes.
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5 Categories of Shock | 1.Hypovolemic
2.Distributive
3.Cardiogenic
4.Obstructive
5.Metabolic
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Define Shock | State of inadequate tissue perfusion with reduced amounts of oxygen and glucose being delivered to the bodys cells and tissue.
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3 Stages of Shock | 1.Compensated
2.Decompensated
3.Irreversible
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ABCDE of Shock | A. Airway
B. Breathing
C. Circulation
D. Assuring Adequate Oxygen
E. Achieving End Points.
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Normal End Points of Shock | Normal BP, Heart Rate, and Urine Output
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Define and example Hypovolemic Shock | Due to Inadequate circulating blood volume. Trauma, GI Bleed, Ruptured AAA
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Define and example Distributive Shock | Due to peripheral vasodilation and maldistribution of blood flow. Sepsis, Anaphylaxis, Spinal Cord Injury, Toxic Shock
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Define and example Cardiogenic Shock | Due to inadequate cardiac pump function. AMI, Dysrhythmias, Overdose.
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Define and example Obstructive Shock | due to non-cardiac obstruction to blood flow
Pulmonary Embolism, Cardiac Tamponade
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Metabolic Shock | due to toxic disruption of cellular function. CO, Hydrogen Cyanide and Sulfide Poisoning.
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Cardiac Output Calculation | CO=HR X SV Heart Rate X Stroke Volume
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Blood Pressure Calculation | BP = CO X SVR Cardiac Output X Systemic Vascular Resistance. SVR aka Afterload
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Stroke Volume | Amount of blood pumped with each contraction of left ventricle.
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In the setting of shock, what nervous system overrides the other nervous system. | Sympathetic. Increases heart rate and contractility and causes arterial vasoconstriction to maintain blood flow to vital organs.
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Urinary System Response in Shock. | Renin, Released from the kidneys and functions as an enzyme that converts angiotension.
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Endocrine System Response. | Glucagon, released from pancreas serves to increase blood glucose.
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Failure of two or more organs | Multiple System Organ Failure
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Positive test of Orthos. | Increase HR of 30 BPM or More
Decrease of systolic BP by 20 mmHg or more.
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Endpoint of Oxygen and ventilatory support. | Pulse Ox above 93-95%
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