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Dosage and Administration

2 DOSAGE AND ADMINISTRATION

The recommended adenosine injection dose is 0.14 mg/kg/min infused over six minutes (total dose of 0.84 mg/kg) (Table 1).

•
Administer adenosine injection only as a continuous peripheral intravenous infusion
•
Inject Thallium-201 at the midpoint of the adenosine injection infusion (i.e., after the first three minutes of adenosine injection)
•
Thallium-201 is physically compatible with adenosine injection and may be injected directly into the adenosine injection infusion set
•
Inject Thallium-201 as close to the venous access as possible to prevent an inadvertent increase in the dose of adenosine injection (the contents of the intravenous tubing) being administered

Visually inspect adenosine injection for particulate matter and discoloration prior to administration. Do not administer adenosine injection if it contains particulate matter or is discolored.

There are no data on the safety or efficacy of alternative adenosine injection infusion protocols. The safety and efficacy of adenosine injection administered by the intracoronary route have not been established.

Table 1 Dosage Chart for Adenosine Injection

Patient Weight
(kilograms)

Infusion Rate
(mL per minute over
6 minutes for total dose of
0.84 mg/kg)

45

2.1

50

2.3

55

2.6

60

2.8

65

3

70

3.3

75

3.5

80

3.8

85

4

90

4.2

The nomogram displayed in Table 1 was derived from the following general formula:

                                  0.14 (mg/kg/min) x total body weight (kg)      = Infusion rate (mL/min)
                                  Adenosine injection concentration (3 mg/mL)

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