Last Updated on August 24, 2022
Types of Shock & Causes
(i) Hypovolemic shock
• Haemorrhagic shock
(ii) Cardiogenic shock
• Myocardial infarction
• Acute heart failure
• Cardiomyopathy
(iii) Obstructive shock
• Cardiac tamponade
• Tension pneumothorax
• Pulmonary embolism
(iv) Distributive shock
• Anaphylactic shock
• Septic shock
• Neurogenic shock
Shock Index
Shock Index = Heart Rate ÷ SBP
• Normal: <0.7
• Shock: >0.9
• Poor outcomes: >1.3
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• Shock index >0.9 suggests high risk of mortality and urgent resuscitation is needed