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Questions and Answers
What is the primary cause of cardiogenic shock?
What is the primary cause of cardiogenic shock?
- Circulatory pump failure (correct)
- Decreased tissue perfusion
- Loss of circulating volume
- Increased peripheral resistance
Which of the following is a common cause of hypovolemic shock?
Which of the following is a common cause of hypovolemic shock?
- Sepsis
- Hemorrhage (correct)
- Cardiac tamponade
- Myocardial infarction
What is the mortality rate associated with cardiogenic shock?
What is the mortality rate associated with cardiogenic shock?
- 80-90%
- 30-50%
- 50-80% (correct)
- 20-30%
What is the primary mechanism of vasodilatory shock?
What is the primary mechanism of vasodilatory shock?
What is the definition of bacteremia?
What is the definition of bacteremia?
What is the definition of SIRS?
What is the definition of SIRS?
What is the definition of shock?
What is the definition of shock?
What is the classification of shock that results from trauma or surgical patients?
What is the classification of shock that results from trauma or surgical patients?
Which of the following types of shock is NOT reversible?
Which of the following types of shock is NOT reversible?
What is the common cause of hypovolemic shock in trauma patients?
What is the common cause of hypovolemic shock in trauma patients?
Which of the following is a sign of septic shock?
Which of the following is a sign of septic shock?
What is the primary cause of vasodilatory shock?
What is the primary cause of vasodilatory shock?
Which of the following is a type of distributive shock?
Which of the following is a type of distributive shock?
What is the primary mechanism of hypovolemic shock?
What is the primary mechanism of hypovolemic shock?
Which of the following is a complication of cardiogenic shock?
Which of the following is a complication of cardiogenic shock?
What is the primary cause of insulin shock?
What is the primary cause of insulin shock?
Which of the following is a type of shock that can be caused by an electrical injury?
Which of the following is a type of shock that can be caused by an electrical injury?
What is the primary cause of traumatic shock?
What is the primary cause of traumatic shock?
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Study Notes
Definition of Shock
- Shock is a condition resulting from a depressed state of many vital body functions due to decreased tissue perfusion.
- It is a life-threatening condition that can be reversible or irreversible.
- Shock can be classified into different types, including Cardiogenic shock, Distributive shock, Traumatic shock, Electrical shock, Insulin shock, and Hypovolemic shock.
Classification of Shock
- Hypovolemic shock: results from loss of circulating volume from hemorrhage, common in trauma/surgical patients, and can be Hemorrhagic or non-hemorrhagic.
Cardiogenic Shock
- Cardiogenic shock is a circulatory pump failure leading to diminished forward flow and subsequent tissue hypoxia.
- Mortality rate is up to 50-80%.
- Common cause is Myocardial Infarction (MI).
Vasodilatory Shock (Septic Shock)
- Vasodilatory shock is hypotension resulting from failure of the vascular smooth muscle to constrict appropriately.
- Most frequently encountered form of vasodilatory shock is septic shock.
Septic Shock
- Septic shock is a result of INFECTION, BACTEREMIA (presence of viable bacteria in the blood), and SIRS (Systemic Inflammatory Response Syndrome).
- SIRS is the systemic inflammatory response to a wide variety of severe clinical manifestations, characterized by:
- Temperature > 38°C or less than 36°C.
- Pulse rate > 90bpm.
- Sepsis-induced hypotension is characterized by systolic blood pressure < 90mmHg.
Definition of Shock
- Shock is a condition resulting from a depressed state of many vital body functions due to decreased tissue perfusion.
- It is a life-threatening condition that can be reversible or irreversible.
- Shock can be classified into different types, including Cardiogenic shock, Distributive shock, Traumatic shock, Electrical shock, Insulin shock, and Hypovolemic shock.
Classification of Shock
- Hypovolemic shock: results from loss of circulating volume from hemorrhage, common in trauma/surgical patients, and can be Hemorrhagic or non-hemorrhagic.
Cardiogenic Shock
- Cardiogenic shock is a circulatory pump failure leading to diminished forward flow and subsequent tissue hypoxia.
- Mortality rate is up to 50-80%.
- Common cause is Myocardial Infarction (MI).
Vasodilatory Shock (Septic Shock)
- Vasodilatory shock is hypotension resulting from failure of the vascular smooth muscle to constrict appropriately.
- Most frequently encountered form of vasodilatory shock is septic shock.
Septic Shock
- Septic shock is a result of INFECTION, BACTEREMIA (presence of viable bacteria in the blood), and SIRS (Systemic Inflammatory Response Syndrome).
- SIRS is the systemic inflammatory response to a wide variety of severe clinical manifestations, characterized by:
- Temperature > 38°C or less than 36°C.
- Pulse rate > 90bpm.
- Sepsis-induced hypotension is characterized by systolic blood pressure < 90mmHg.
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