3 Questions
For septic shock from an infection, what is the actual causative mechanism of shock?
The actual causative mechanism of septic shock from an infection is the body's overwhelming response to the infection, leading to widespread inflammation and blood vessel dilation, which can result in decreased blood flow and organ damage.
What are the common sources of infection that can lead to septic shock?
Common sources of infection that can lead to septic shock include lung infections (pneumonia), urinary tract infections, abdominal infections (such as appendicitis or peritonitis), and skin infections (such as cellulitis).
What are the typical symptoms of septic shock?
Typical symptoms of septic shock include fever, rapid heart rate, rapid breathing, low blood pressure, altered mental status, and signs of organ dysfunction.
Study Notes
Septic Shock Mechanism
- The actual causative mechanism of septic shock is the excessive release of inflammatory mediators, such as cytokines and chemokines, in response to an infection, leading to a systemic inflammatory response (SIRS)
- This response causes vasodilation, increased permeability, and activation of coagulation pathways, ultimately leading to circulatory failure and inadequate organ perfusion
Common Sources of Infection
- Common sources of infection that can lead to septic shock include:
- Bacterial infections, such as pneumonia, urinary tract infections, and bloodstream infections
- Fungal infections, such as candidemia
- Viral infections, such as influenza
- Parasitic infections, such as malaria
Typical Symptoms of Septic Shock
- The typical symptoms of septic shock include:
- Hypotension ( systolic blood pressure < 90 mmHg or a decrease of > 40 mmHg from baseline)
- Tachycardia (heart rate > 90 beats per minute)
- Tachypnea (respiratory rate > 20 breaths per minute)
- Fever (temperature > 38°C or 100.4°F) or hypothermia (temperature < 36°C or 96.8°F)
- Altered mental status, such as confusion, anxiety, or agitation
- Decreased urine output (oliguria)
Test your knowledge of septic shock with this quiz. Explore the actual causative mechanism of shock and learn about the common sources of infection that can lead to septic shock. Identify the typical symptoms associated with this life-threatening condition.
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