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Questions and Answers
What percentage of blood loss defines Class I hemorrhagic shock?
What percentage of blood loss defines Class I hemorrhagic shock?
0-15%
At what pulse rate is hemorrhagic shock categorized as Class III?
At what pulse rate is hemorrhagic shock categorized as Class III?
140 beats/min
For Class IV hemorrhagic shock, how is the urine output defined?
For Class IV hemorrhagic shock, how is the urine output defined?
Negligible (less than 5 mL/hr)
What treatment fluid is used for Class II hemorrhagic shock?
What treatment fluid is used for Class II hemorrhagic shock?
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How does the respiratory rate change from Class I to Class IV hemorrhagic shock?
How does the respiratory rate change from Class I to Class IV hemorrhagic shock?
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Study Notes
ATLS Hemorrhagic Shock Classes
-
Blood Loss (%)
- Class I: 0-15%
- Class II: 15-30%
- Class III: 30-40%
- Class IV: >40%
-
Central Nervous System
- Class I: Slightly anxious
- Class II: Mildly anxious
- Class III: Anxious or confused
- Class IV: Confused or lethargic
-
Pulse (beats/min)
- Class I: <100
- Class II: >100
- Class III: >120
- Class IV: >140
-
Blood Pressure
- Class I: Normal
- Class II: Normal
- Class III: Decreased
- Class IV: Decreased
-
Pulse Pressure
- Class I: Normal
- Class II: Decreased
- Class III: Decreased
- Class IV: Decreased
-
Respiratory Rate
- Class I: 14-20/min
- Class II: 20-30/min
- Class III: 30-40/min
- Class IV: >35/min
-
Urine (mL/hr)
- Class I: >30
- Class II: 20-30
- Class III: 5-15
- Class IV: Negligible
-
Fluid
- Class I: Crystalloid
- Class II: Crystalloid
- Class III: Crystalloid + blood
- Class IV: Crystalloid + blood
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Description
Test your knowledge on the ATLS hemorrhagic shock classes and their physiological parameters. This quiz will cover blood loss percentages, central nervous system responses, vital signs, and more. Prepare to assess different levels of shock based on specific clinical criteria.
