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PHR 966- Obstructive Shock Exam Study Guide

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PHR 966- Obstructive Shock Exam Study Guide ...

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PHR 966- Obstructive Shock
Exam Study Guide

what is obstructive shock? - ANSWER anatomical obstruction of the great vessels of the
heart (superior and inferior vena cava and pulmonary vessels)

what is another name for obstructive shock? - ANSWER cold shock

what is the main hemodynamic factor changed in obstructive shock? - ANSWER
decreased CO

what does decreased CO in obstructive shock cause? - ANSWER decreased venous
return

increased afterload (due to body overcompensating)

what are the 4 main causes of obstructive shock? - ANSWER 1. tension pneumothorax

2. pericardial tamponade

3. restrictive cardiomyopathy

4. constrictive pericarditis

what are 6 signs and symptoms of obstructive shock? - ANSWER 1. respiratory distress

2. dilated neck veins

3. tachycardia

4. tachypnea/ air hunger

5. hypotension

6. chest pain

what labs are important in diagnosis of obstructive shock? - ANSWER pulse oximetry

BMP/CMP

lactic acid

ECG

arterial blood gas

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