Shock

Question 1

What is shock?

Answer 1

Acute failure of the CVS to adequately perfuse tissues and supple oxygen

Question 2

Symptoms of shock

Answer 2

cold/sweaty/clammy skin, rapid and weak pulse, decreased pulse pressure, rapid and shallow breathing, decreased urine output, altered consciousness

Question 3

Hypovolemic Shock (low SV)

Answer 3

Decreased blood volume due to hemorrhage, diarrhea, and vomitting

Question 4

Cariogenic Shock (low SV)

Answer 4

Pump failure, due to MI or arrhythmias

Question 5

Obstructive Shock (low SV)

Answer 5

Obstruction to blood flow, due to major pulmonary embolism, cardiac tamponade, or tension pneumothorax

Question 6

Septic Shock (vasodilation)

Answer 6

decreased TPR due to endotoxins

Question 7

Anaphylactic shock (vasodilation)

Answer 7

Deceased TPR due to allergic reaction (histamine release)

Question 8

Neurogenic (vasodilation)

Answer 8

Disruption of the neurogenic vasomotor control, due to major brain or spinal cord injury

Question 9

Short term response to hemorrhage

Answer 9

Baroreceptor reflex to perserve perfusion of the heart and brain

Question 10

Long term response to hemorrhage

Answer 10

Activation of the renin-angiotensin system used to replace fluid loss