Drug Calculations Refresher Sheet Page 2
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4You may find this a useful way to find infusion rates (as taught on Safe Medicate ®).
Infusion Rates:
You could be asked for ml/hour (ml per hour) or drops/min (drops per min).
A standard giving set will administer:
Clear: 20 drops/ml
Blood: 15 drops/ml
Paediatric: 60 drops/ml
������������ (����)
To calculate:
ml per hour =
����������
������������ (����)
÷ �������� �������� ����������������������
Drops per min = (
)
To calculate:
����������
60
Where:
drop rate denominator (DRD) =
���������� ������ ����
To complete the boxes in Safe Medicate:
������������ (����)
st
= ����/ℎ��
1
part:
ℎ����
������������ (���� �������� 1)
nd
= ���������� ������ ������
2
part:
������
e.g. A prescription asks for 800ml, via I.V. infusion for 5 hours.
The I.V. administration set administers 15 drops/ml.
st
800
1
part:
= 160 ����/ℎ��
5
nd
160
2
part:
= 40 ���������� ������ ������
4
60
(DRD =
= 4 because the set administers 15 drops per ml)
15
2
H Jackson 2008 / Academic Skills
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