CHAPTER 13 SHOCK (WCEMT)

Perfusion Traingle

The Heart (Pump) , Blood vessles (Containter), Blood (Content)

Signs of compensated shock

Shallow Rapid Breathing, Weak/Rapid pulse, cool clammy skin, cyanosis around lips

Signs of decompensated shock

Falling blood pressure (systolic of 90 mm Hg or lower with adults)

Tachycardia and tachypnea

Labored and irregular breathing

Weak, thready or absent peripheral pulses

Reduced body temperature

Decreased mental status

Dilated pupils

cause of septic shock

severe infection

cause of neurological shock

Damaged c-spine which causes wide blood vessels dilation

cause of anaphylactic shock

Severe allergic reaction

cause of hypovolemic shock

Inadequate amount of fluid or blood in the system.

cause of psychogenic shock

Temporary, generalized vascular dilation, caused by bad news , anxiety, sight of blood or injury

A 20-year-old male has a large laceration to his wrist. He is holding a blood-soaked towel over the wound, but it continues to bleed rapidly. You should ?

apply a tourniquet proximal to the wrist.

A 70 year-old female was recently discharged from the hospital following total hip replacement. Today she presents, with restlessness, tachycardia, and a bp of 90/64. Her skin is hot and moist. You should suspect

Septic shock

All of the following conditions should make you suspect shock accept?

Ischemic stroke

Capillary sphincters are?

circular muscular walls that regulate blood flow through the capillaries.

cardiogenic shock may result from all of the following, Except?

increased preload

Signs of compensated shock should have the following except ?

Absence of a peripheral pulses

Distributive shock occurs when ?

widespread dilation of the blood vessels causes blood to pool in the vascular beds.

hypovelimic shock caused by burns will cause ?

Loss of plasma

In acute injury setting, neurogenic shock is commonly accompanied by ?

hypothermia

Neurogenic shock occurs when ?

failure of the nervous system causes widespread vasodilation.

Primary waste of cellular metabolism ?

Carbon dioxide

Pulmonary edema occurs during?

Cardiogenic shock

Shock is caused by

Hypoperfusion

To protect vital organs, the body compensates by directing blood flow away from organs that are more tolerant of low flow, such as ?

skin

Which of the following clinical signs is unique to anaphylactic shock ?

Wheezing

Which of the following injuries would most likely cause obstructive shock?

cardiac tamponade

Which of the following is the only action that can prevent death from a tension pneumothorax?

Decompression of the injured side of the chest

Which of the following patients is in decomposated shock

20 year old female absent radial pulse

Which of the following statements regarding anaphylactic shock is correct?

Subsequent exposure after sensitization often produces a more severe reaction.

Which of the following would MOST likely result in hemorrhagic shock?

Liver laceration