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IV Anesthetics Dose Calculator

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Drug/DoseCalculated DoseDoseFormulations AvailableDilution in D/WOnsetDuration
Propofol
-

2 - 2.5 mg/kg/day

200mg/20ml

(10mg/ml)

30 - 40 sec

8 - 10 min

Ketamine

Anesthesia:

Analgesia:

Anesthesia: 2mg/kg

Analgesia: 0.2mg/kg

500mg/10ml

(50mg/ml)

10ml

(5mg/ml)

30 sec

5 - 10 min

Suxamethonium
-

1 - 1.5 mg/kg

100mg/2ml

5ml

(20mg/ml)

30 - 60 sec

4 - 6 min

Atracurium

Initial Dose:

Maintainance:

-

Initial Dose: 0.5 mg/kg

Maintainance:

0.08 - 0.1 mg/kg

30mg/3ml

2 - 3 min

20 - 35 min

Midazolam

6 months - 5 years

-

6 years - 12 years

-

>12 years

1 - 2 mg

Max: 2mg for

all age groups

6 months to 5 years:

(0.05 - 0.1mg/kg)

[1]

6 to 12 years:

(0.025 - 0.05mg/kg) [1]

Over 12 years:

(1 to 2 mg IV) [1]

5mg/5ml

5 - 20 min

1 - 6 hours

Diazepam
-

0.2 - 0.5 mg/kg

5mg/ml

5cc

(1mg/ml)

3 - 5 min

30 - 90 minutes

Atropine
-

0.01 - 0.02 mg/kg

1mg/ml

5cc

(0.2mg/ml)

1 - 2 min

4 hours

Neostigmine
-

0.04 - 0.08 mg/kg

2.5mg/ml

5cc

(0.5mg/ml)

1 - 20 min

1 - 2 hours

Phenylephrine
-

1 - 2 mcg/kg

10mg/ml

20cc

(0.5mg/ml) OR

(500mcg/ml)

10 - 15 min

15 mins

Adrenaline
-

1 - 2 mcg/kg

1mg/ml

20cc

(50mcg/ml)

5 - 10 min

4 hours

Bupivacaine

(Spinal)

0.25 mg/kg

15mg/2ml

already 0.75%

in D/W

1 - 17 min

2 - 9 hours

Nalbuphine
-

0.1 - 0.3 mg/kg

10mg/ml

5cc

(0.2mg/ml)

2 - 3 min

3 - 6 hours

Tramadol

Analgesia:

Shivering:

-

Analgesia: 2mg/kg

Shivering: 0.2 - 0.5mg/kg

100mg/2ml

5cc

(20mg/ml)

2 - 10 min

6 - 8 hours

Ketorolac
-

0.5mg/kg

30mg/ml

5cc

(6mg/ml)

1 - 5 min

4 - 6 hours

Paracetamol
-

10 - 15mg/kg

1g/100ml

10g/ml

5 - 10min

4 - 6 hours

Metoprolol
-

2 - 2.5mg/kg in 2 mins,

can be repeated after 5 mins.

Not more than 15mg.

5mg/5ml

(1mg/ml)

Used for

HTN during

anesthesia

IV: 4 - 5min

5 - 8 hours

Isosorbide
Trinitrate
-

2 - 10ml/hr, OR

20 - 30 micro-drops/min

10mg/10ml

(1mg/ml)

100ml N/S

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