Shock

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Distributive Shock (Anaphylaxis) Signs

Respiratory Arrest

Trendelenburg

head slightly lower than feet

Distributive shock occurs when:

widespread dilation of the blood vessels causes blood to pool in the vascular beds.

Cardiogenic shock Signs

Reduction in blood pressure Cold, clammy skin

Obstructive shock causes

narrowing of arterioles, obstruction of pulmonary artery Pump failure (Heart)

Hypovolemic Shock Signs

-Increase heart rate -Increased diastolic blood pressure -Rapid, thready pulse -Cool skin

Hypovolemic Shock causes:

-Most common -Decreased blood volume -Inadequate venous return to the heart (Causes include dehydration and hemorrhage)

Stage 4: Refractory

-Vital organs fail -Shock is irreversible at this stage -Cell death and brain damage

Distributive Shock (Septic)

-most common type of distrubtive in hospitals (Toxic Shock Syndrome) -Body combats through vasodilation -Inflammation of blood vessels via chemical mediators

What is Shock?

1. Cardiovascular system and Pulmonary System 2. Acidosis 3. Simply- body is not getting enough blood flow

what is the amount of oxygen for a conscious patient who is in shock?

6L/min O2 Non-Rebreather mask if conscious)

what is the amount of oxygen for a unconscious patient who is in shock?

9-12 L/min O2 Bag mask (Ambu)

Stage 2: Compensatory

Body makes adaptations for lack of oxygen -Increased breathing -Increased heart rate -Decrease in blood to peripheral areas -Why do these things happen?

Stage 1: Initial Shock

Cells are deprived of oxygen Can't produce energy

Stage 3: Progressive

Compensatory measures fail Systolic blood pressure decreases -What happened in the compensatory stage?

Distributive Shock (Neurogenic)

Damage to the sympathetic nervous system Body is unable to oxygenate itself

Types of Shock (PP2P)

Hypovolemic (plasma problems) Cardiogenic (pump problems) Obstructive (pump problems-2) Distributive (pipe problems)

Cardiogenic shock causes

Inadequate blood to tissue -Myocardial infarction (MC) -Cardiomyopathy -Valve disorders -Arrhythmia

Stages of Shock

Initial Compensatory Progressive Refractory No matter what the etiology of shock is, these stages remain the same

Distributive Shock (Anaphylaxis)

Life threatening allergic reaction -Allergic reaction causes increased release of Histamine -Vasodilation causing inadequate distribution of fluids in the circulatory system


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