Hemorrhagic Shock

Question 1

name the 3 types of shock that cause low SV

Answer 1

• hypovolemic shock
  
  • cause: decreased BV
  • due to: hemorrhage, diarrhea, vomiting
• cardiogenic shock
  
  • cause: pump failure
  • due to: MI, arrhythmia
• obstructive shock:
  
  • cause: obstruction to blood flow
  • due to: major pulmonary embolism, cardiac tamponade, tension pneumothorax

Question 2

name the 3 types of shock that cause vasodilation

Answer 2

• septic shock
  
  • cause: massive decrease in TPR
  • endotoxins
• anaphylactic shock
  
  • cause: massive decrease in TPR
  • allergic reaction (histamine release)
• neurogenic
  
  • disruption of neurogenic vasomotor control
  • major brain or spinal cord injury

Question 3

describe the response to hemorrhage

Answer 3

Question 4

describe the 2 (and a half) responses to hemorrhage

Answer 4

• short term = baroreceptor reflex
  
  • preserves perfusion of heart and brain
• long term = activation of RAAS

Question 5

describe the RAAS mechanism

Answer 5

Question 6

describe internal transfusion

Answer 6

Question 7

describe the

Question 8

describe decompensated shock –> circulatory collapse

Answer 8

Question 9

describe decompensated shock

Answer 9