====== Shock ====== {{rss>https://pubmed.ncbi.nlm.nih.gov/rss/search/1fC8RWxzfM4OxkC9rdraK_YHMD8HtB_VpZZHgdir1aodXB8QEX/?limit=15&utm_campaign=pubmed-2&fc=20250318170752}} ===== Classification ===== [[Hypovolemic shock]]. [[Septic shock]]. [[Cardiogenic shock]]. [[Neurogenic shock]]. [[Anaphylaxis]]. Insulin reaction ====== Hypotension Classification ====== 1. hypovolemic: first sign is usually tachycardia. > 20–40% of blood volume loss must occur before perfusion of vital organs is impaired. Includes: a) hemorrhage(external or internal) b) bowel obstruction(with third spacing) 2. septic: most often due to gram-negative sepsis 3. cardiogenic: includes MI, cardiomyopathy, dysrhythmias (including A-fib) 4. neurogenic: e.g. paralysis due to [[spinal cord injury]]. Blood pools in venous capacitance vessels 5. miscellaneous a) anaphylaxis b) insulin reaction ===== Treatment ===== see [[Shock treatment]].