Shock Microcirculation disorder t cellular injury t Humoral factors (inflammatory mediators)
Shock Microcirculation disorder + Cellular injury + Humoral factors (inflammatory mediators)
Section 1 Etiology classification e Who said I get shock now
Section 1 Etiology & Classification Who said I get shock now?
1. Causes of shock O Hemorrhagic (or loss fluid) ② Traumatic Burn ④ Infective~ Cardiogenic ⑥ Anaphylactic ⑦ Neurogenic
① Hemorrhagic（or loss fluid）~ ② Traumatic ~ ③ Burn ~ ④ Infective ~ ⑤ Cardiogenic ~ ⑥ Anaphylactic ~ ⑦ Neurogenic ~ 1. Causes of shock
Clinical Signs of Acute Hemorrhagic shock Blood loss Clinical signs <15 Slightly increased heart rate, local swelling, bleeding 15-30 Increased heart rate. increased diastolic blood pressure, prolonged capillary refill 30-50 Above findings plus hypotension, confusion, acidosis, decreased urine output >50 Refractory hypotension, refractory acidosis death
Clinical Signs of Acute Hemorrhagic Shock % Blood loss Clinical Signs < 15 Slightly increased heart rate, local swelling, bleeding 15-30 Increased heart rate, increased diastolic blood pressure, prolonged capillary refill 30-50 Above findings plus: hypotension, confusion, acidosis, decreased urine output > 50 Refractory hypotension, refractory acidosis, death
2. Classification( By initial changes) y artery left nary artery ary ve Blood volume ypovolemIc Right lung Acute heart pump↓ capitales A Vena covo Cardiogenic Ⅴ ascular capacity↑ Ⅴ isogenIc~ Bp=Co×SⅤR
Acute heart pump↓ Cardiogenic ~ Vascular capacity↑ Vasogenic ~ 2. Classification ( By initial changes) Bp = CO × SVR Blood volume↓ Hypovolemic~