CEN Certification

Understanding Distributive Shock CEN Review 2018

WHAT IS DISTRIBUTIVE AND ANAPHYLACTIC SHOCK? Distributive shock is defined as an abnormal distribution of intravascular volume as a result of (1) decreased sympathetic tone, (2) increased vascular permeability, (3) pooling of blood in venous, capillary beds. What does this mean? The heart (pump) and volume (blood) is adequate, but the fluid is not in …

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Understanding Cardiogenic Shock CEN Review 2018

What is Cardiogenic Shock? Cardiogenic Shock is defined as an inadequate tissue perfusion because of decreased cardiac output despite an adequate intravascular volume. For example, your body has adequate fluid volume but the body’s pump is failing (a.k.a the heart). THE MOST COMMON CAUSE OF CARDIOGENIC SHOCK IS MYOCARDIAL INFARCTION (SPECIFICALLY THE LEFT VENTRICULAR ANTERIOR …

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Understanding Hypovolemic Shock CEN Review 2018

Hypovolemic Shock is defined as an emergency condition in which severe blood or fluid loss makes the heart unable to pump enough blood to the body. This is the MOST COMMON FORM OF SHOCK. What causes Hypovolemic Shock? Hemorrhage, whether traumatic or not, can lead to hypovolemic shock. Hemorrhage can be internal (ruptured aortic aneurysm, …

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Understanding Obstructive and Neurogenic Shock

Neurogenic shock is defined as a loss of sympathetic stimulation, resulting in parasympathetic stimulation. The body experiences a massive vasodilation and the body is unable to compensate for the drop in cardiac output.   What causes Neurogenic Shock? Brain Injury Spinal Cord injury (cervical injury or high thoracic spinal injury) Spinal Anesthesia Neurogenic Shock Assessment …

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Understanding Septic Shock CEN Review 2018

What is Septic Shock? Sepsis is defined as the result of an infection that causes drastic changes in the body. It can be dangerous and potentially life-threatening. Septic Shock is defined as a significant drop in blood pressure that can lead to respiratory or heart failure, stroke, failure of other organs, and death. How is Septic …

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