10 Questions
What is the primary cause of hypovolemic shock?
Decreased fluid volume
Which type of shock is caused by gram negative bacteria?
Septic shock
What is the main cause of cardiac output decrease in cardiogenic shock?
Failure of the heart to pump sufficient blood
What is the effect of neurogenic shock on blood vessels?
Vasodilatation
What is the most common type of shock?
Hypovolemic shock
What is the medical condition characterized by extremely high blood sugar levels and low insulin production?
Diabetic coma
What is the effect of vasodilatation on blood pressure?
Decrease in blood pressure
What is the primary cause of anaphylactic shock?
Allergic reaction
What is the effect of decreased venous return on cardiac output?
Decrease in cardiac output
What is the primary cause of diabetic coma?
High blood sugar levels and low insulin production
Study Notes
Shock
- Hypovolemic shock is caused by decreased fluid volume due to:
- Massive bleeding or hemorrhage
- Severe burns and plasma loss
- Prolonged diarrhea, excessive sweating, or vomiting leading to water loss
- Hypovolemic shock leads to decreased venous return, cardiac output, and tissue perfusion
Cardiogenic Shock
- Caused by the heart's failure to pump sufficient blood
- Results in decreased cardiac output despite normal cardiac filling pressure
- Associated with:
- Myocardial infarction
- Arrhythmia
- Pulmonary embolism
Neurogenic Shock
- Occurs when the nervous system is damaged, e.g., spinal cord damage or overdose of certain drugs
- Results in vasodilation, insufficient blood supply, and reduced systemic blood pressure
- Caused by loss of neurogenic tone of blood vessels
Septic Shock
- Caused by gram-negative bacteria in the circulating blood
- Results in vasodilation, blood stasis, and depressed cardiac function
- Early signs include hyperventilation, warm and dry extremities
Anaphylactic Shock
- No additional information provided
Diabetic Coma
- Caused by extremely high blood sugar levels and low insulin production
- A medical emergency requiring prompt treatment
Learn about hypovolemic shock, its causes, and effects on the body. Understand how fluid loss affects venous return, cardiac output, and overall health.
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