Blood loss Flashcards
1
Q
Define blood loss?
A
- loss of 50% blood volume in 3 hours
- blood loss of 150ml/min
- loss of one blood loss volume equivalent in 24 hours
2
Q
What is a massie transfusion?
A
- When we give 10 units of RBC’s 24 hours
2. When we give 3 units of RBC’s per hour
3
Q
What are the cases hat we can expect blood loss?
A
- trauma
- obstetrics-abruptio placenta, placenta praevia, genital tract tear
- ruptured abdominal aneurysms
- cardiac
4
Q
What is the management of blood loss?
A
- communication-surgeon and blood loss
- stop the bleeding
- give oxygen
- prevent and manage the coagulopathy
5
Q
What is the normal value of lactate?
A
It is less than 2
6
Q
What temperature is blood stored at?
What do we need to do before administering the blood?
A
- 2-4 degrees
2. warm the blood before transfusing
7
Q
What causes your clot to dissolve?
A
plasmin
8
Q
What can we give to stop the change from plasminogen to plasmin?
A
- tranexamic acid within 3 hours of injury
9
Q
At what number do we give platelets?
A
<50
if trauma we give platelets until 100
10
Q
What does hyperkalaemia look like on ECG?
A
Increased/tall T wave which makes the other rhytms shorter