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A healthy adult has 5 Liters of circulating blood and another 500 ml as reserve in the spleen. Loss of up-to 500 ml of blood will not usually produce any tachycardia or hypo-tension unless fear of blood loss occurs in an otherwise healthy person.

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11y ago
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11y ago

This is entirely dependant on the individual. Some may experience shock at 500ml loss, while others around 1000ml lost.

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11y ago

30% to 40%

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Q: What percent of blood loss is needed to cause shock?
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Related questions

Can a blood transfusion cause anaphalactic shock?

can a blood transfusion cause anaphylactic shock


How much blood can a cat lose?

Excessive blood loss from an internal or external can cause a cat to go into shock. If the cat is laying in a puddle of blood or is displaying symptoms of shock, professional help is needed.


What type of shock occurs when poisons or toxins in the blood cause vasodilation and the blood pressure drops?

Septic shock


Severe shock occurs with blood loss of?

over 50 percent


What cause hypovolemic shock?

Hypovolemic shock is primarily caused by poor perfusion, usually from excess blood or fluid loss from the body. Hypovolemic shock is the most common type of pre-hospital shock often resulting from moderate or severe trauma.


Is most common form of shock hypovolemic shock?

only that form of shock caused by large scale loss of blood.


Hypovolemic shock cause by severe burns is the result of a loss of?

whole blood


What is the most common cause of shock?

Insufficient blood flow thru the body


How many quarts of blood loss will cause shock in an adult?

1 1/2


What is the most preventable or common cause of shock?

Shock is the medical term given to when a patient has lost a large amount of blood (hypovolaemia).


Which of the following is the most common cause of the medical meaning of shock A rapid and large blood loss B fever C watching a horror movie D a simple fracture?

A rapid and large decrease in blood volume affects blood pressure and produces shock. Along with the precipitous drop in blood volume from blood loss, there is a drop of RBC that carry O2. Shock is a life-threatening condition.Note: This medical term does not mean a psychological or emotional "shock", or an electrical "shock".


Can electric shock cause high blood pressure?

Not necessarily. Your body will try to compensate when it is in shock by raising the heartbeat (thereby increasing blood pressure). But sometimes the body can not compensate adequately. In this case, your blood pressure may not increase.