Hypovolaemia

Last updated 20.09.12

 

Index

 

Definition

-   

 

Causes

-  Dehydration

-  Shock

 

Associated S/S

-  Anuria/oliguria

-  Hypotension

-  Tachycardia

 

Features

-  Estimated blood loss

-  750ml, 15%

-  Asymptomatic

-  750ml – 1.5L, 15-30%

-  Tachycardia >100

-  Tachypnoea 20+/-

-  Capillary refill >2sec

-  Urine output 20-30ml/hr

-  Anxious

-  1.5 – 2L, 30-40%

-  Tachycardia >120

-  Systolic BP 80+/-

-  Tachypnoea 30+/-

-  Capillary refill >2sec

-  Urine output 10ml/hr

-  Confused

-  <2L, >40%

-  Tachycardia >140

-  Systolic BP 60+/-

-  Tachypnoea 35+/-

-  Capillary refill >2sec

-  Anuria