The major categories of shock include:

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The major categories of shock are hypovolemic, cardiogenic, obstructive, and distributive. Hypovolemic shock occurs when there is a decrease in vascular volume due to loss of blood, plasma, or interstitial fluid. Cardiogenic shock occurs when the heart is unable to pump blood effectively. Obstructive shock occurs when there is physical obstruction to blood flow, such as pulmonary embolism or tension pneumothorax. Distributive shock occurs when there is widespread vasodilation and an abnormal distribution of blood flow, as seen in septic shock or anaphylaxis.

The Major Categories of Shock Include