TABLE 2 ∣.

ICFT drug concentrations and infusion rates.

Method	Method of delivery	Drug concertation	Infusion rate (per minute)	Total infusion time	Total dose
Acetylcholine (ACH)
Doppler and thermodilution	IC pump infusion	2.68 μg/mL of D5W	0.75 mL	2.5 min	5 μg
	IC pump infusion	23.6 μg/mL of D5W	0.75 mL	2.5 min	44 μg
	IC pump infusion	23.6 μg/mL of D5W	1.875 mL	2.5 min	108 μg
Thermodilution	IC push by hand	23.6 μg/mL of D5W	8.5 mL total	1 mina	200 μg
Nitroglycerin
Doppler and thermodilution	IC push by hand	50 μg/mL Saline	4 mL total	20–30 sa	200 μg
Adenosine
Doppler	IC push by hand	6 μg/mL Saline	3 mL total	1 mina	18 μg
	IC push by hand	6 μg/mL Saline	12 mL total	1 mina	72 μg
Thermodilution	IV pump infusion	90 μg/mL Saline	140 μg/kg	2 min 45 s	300 μg/kg
	IC push by hand	6 μg/mL saline	12 mL total	1 mina	72 μg

Note: Total dosages rounded to nearest whole number.

^aInfusions by hand are approximations.