Shock results from inadequate tissue perfusion to meet metabolic demand and tissue oxygenation.
Shock does not require the presence of hypotension. Shock can be present with a normal, increased, or decreased systolic BP.
Shock is typically caused by Pump (Heart Issues), Volume (Blood/Plasma), and Tank (Vessels) issues.
Shock can be Compensated with signs of inadequate tissue perfusion, but BP is normal or Hypotensive (Decompensated), which has low BP with evidence of impaired perfusion.
The main types of shock:
🩸HYPOVOLEMIC: Refers to a clinical state of reduced intravascular volume. Causes can include Diarrhoea, Vomiting, Hemorrhage, Large burns, and inadequate fluid intake.
🩸DISTRIBUTIVE: Tanks too big. Refers to a clinical state characterized by reduced SVR, leading to maldistribution of blood volume and blood flow. It includes the following:
* Septic Shock
* Anaphylactic Shock
* Neurogenic Shock.
🩸CARDIOGENIC: Issues with the pump. Impaired cardiac contractility. Causes can include Heart disease, Myocarditis, Cardiomyopathy, or Arrhythmia.
🩸OBSTRUCTIVE: Obstructed blood flow. Causes can include Massive PE, Tension Pneumothorax, and Cardiac Tamponade.
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Disclaimer: This post is for educational purposes and is not intended as medical advice. While we strive for 100% accuracy, errors may occur, and medications or protocols may change over time.