36 Questions
What is the primary cause of inadequate tissue perfusion in shock?
Inadequate blood volume
What type of shock is characterized by inadequate cardiac contractility?
Cardiogenic shock
What is the primary goal of fluid replacement therapy in shock?
To restore adequate tissue perfusion
What type of shock is characterized by inadequate blood volume?
Hypovolemic shock
What is the term for inadequate circulation of blood in the body?
Shock
What type of shock is characterized by obstruction of blood flow?
Obstructive shock
What type of shock is caused by pump failure?
Cardiogenic shock
What is the primary cause of hypovolemic shock?
Fluid shifts or blood loss
What is the term for the failure of compensatory mechanisms in shock?
Progressive shock
What is the name of the type of shock caused by sepsis and anaphylaxis?
Distributive shock
What is the term for the cellular death that occurs in the final stage of shock?
Refractory shock
What is the purpose of measuring blood pressure in shock?
To evaluate the patient's perfusion and blood flow
What is the primary reason for fluid resuscitation in a patient with hypovolemic shock?
To increase cardiac output
What is the expected response to fluid bolus in a patient with cardiogenic shock?
Increased cardiac output and blood pressure
What is the primary mechanism of autotransfusion in compensated shock?
Redistribution of blood from the periphery to the core
What is the characteristic of the arterial pressure waveform in a patient with decreased aortic compliance?
Rise of the blood pressure curve is more rapid
What is the expected response to fluid resuscitation in a patient with distributive shock?
No significant change in cardiac output or blood pressure
Why was Bethan transferred to the Intensive Care Unit (ICU) and had arterial, Swan-Ganz, and urinary catheters inserted?
To monitor cardiac output and blood pressure
What is the primary reason for the rise of the blood pressure curve during systole?
Increased stroke volume
What is the primary mechanism by which fluid resuscitation improves blood pressure in haemorrhage?
Increased cardiac output
What is the purpose of inserting a Swan-Ganz catheter in a patient with shock?
To monitor cardiac output
What is the primary goal of fluid replacement therapy in shock?
To improve tissue perfusion
What is the characteristic of the arterial pressure waveform in a patient with decreased aortic compliance?
A faster rise and fall of the blood pressure curve
What is the expected response to fluid bolus in a patient with hypovolemic shock?
Increased cardiac output
What is the primary goal of fluid replacement therapy in a patient with hypovolemic shock?
To replenish intravascular volume
What is the purpose of using a pulmonary artery catheter in cardiac output monitoring?
To measure cardiac output and mixed venous oxygen levels
What type of shock is characterized by inadequate cardiac contractility?
Cardiogenic shock
What is the primary reason for using albumin in fluid resuscitation?
To increase oncotic pressure
What is the purpose of using a urinary catheter in shock management?
To monitor urinary output
What is the term for the failure of compensatory mechanisms in shock?
De compensation
In a patient with hypovolemic shock, what is the primary goal of fluid resuscitation?
To restore adequate circulating blood volume
Which invasive monitoring technique is used to assess cardiac output in a patient with shock?
Pulmonary artery catheter
What is the primary reason for measuring blood pressure in a patient with shock?
To evaluate the effectiveness of fluid resuscitation
In a patient with cardiogenic shock, what is the expected response to fluid bolus?
No change in cardiac output
What is the primary mechanism of blood pressure regulation in a patient with compensated shock?
Physiological autoregulation
In a patient with distributive shock, what is the primary cause of inadequate tissue perfusion?
Vasodilation leading to decreased blood pressure
Test your understanding of the physiology of blood pressure regulation, including the role of cardiac output, vascular resistance, and aortic compliance. Learn how these factors interact to control blood pressure and how they respond to changes in the body.
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