Hypoperfusion (Shock) Flashcards

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1
Q

What are the 2 extrinsic causes of cardiogenic shock?

A

-Cardiac Tamponade
-Tension Pnuemothorax

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2
Q

What are the 4 types of shock?

A

-Cardiogenic
-Distributive
-Hypovolemic
-Obstructive

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3
Q

What are the 2 intrinsic causes of cardiogenic shock?

A

-Heart muscle damage (Decreased oxygenation, decreases contractility)
-Valvular disruption (Sudden blow to chest/abdomen, damage to valves in heart)

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4
Q

How long does it take to potentially damage beyond repair the skin and muscle tissue in anaerobic metabolism?

A

4-6 hours

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5
Q

Anaerobic metabolism associated with decreased cellular oxygenation produces what?

A

An increase in lactic acid.

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6
Q

How long does it take to potentially damage beyond repair the heart, lungs and brain in anaerobic metabolism?

A

4-6 minutes

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7
Q

How long does it take to potentially damage beyond repair the abdominal organs in anaerobic metabolism?

A

45-90 minutes

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8
Q

When assessing for shock, what signs would you see from the brain and central nervous system?

A

-Decreased LOC
-Anxiety
-Disorientation
-Bizarre Behaivior

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9
Q

When assessing for shock, what signs would you see from the heart and cardiovascular system?

A

-Tachycardia
-Decreased systolic and pulse pressure

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10
Q

When assessing for shock, what signs would you see from the respiratory system?

A

-Rapid shallow breathing

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11
Q

When assessing for shock, what signs would you see from the skin and extremities?

A

-Cold, pale, clammy, diaphoretic (sweaty) or cyanotic skin with decreased capillary refill

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12
Q

If during a long transport you notice the patient has not produced urine, you suspect they might be in…

A

Shock

Shock decreases urine output. Blood flow is limited or cut off from kidneys. The kidneys cannot make urine without blood flow.

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13
Q

What are the 3 large cavities of the body that can hold large amounts of blood?

A

-Chest
-Abdomen
-Pelvis

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14
Q

How would someone in neurogenic shock present?

A
  • Warm, flushed skin
  • Priapism
  • Bradycardia
  • Hypotensive
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15
Q

What is one of the earliest signs of anaerobic metabolism and shock?

A

Tachypnea

Usually comes earlier than tachycardia

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16
Q

How many classifications of hemorrhage are there? Which is the worst?

A

-4 Classes (I,II,III,IV)
-Class IV

17
Q

How might a patient with a Class III hemorrhage mentate?

A

-Anxious
-Confused

18
Q
A