What is the reversal agent for the vasodilator agents (dypridamole, adenosine, and regadenoson)?
Aminophylline
50-100 mg over 30-60 secs
repeat up to 250 mg
Vasodilator that prevents reuptake of adenosine?
Diprydamole (persantine)
0.142 mg/kg/min over 4 mins
or 0.57 mg/kg injected at 3-5 mins
Arteriolar vasodilator
Adenosine
0.140 mg/kg/min over 6 mins
or 0.84 mg/kg injected at 3 mins
Beta 1 and beta 2 stimulator that increases muscle contractions
Dobutamine
5-10 ug/kg/min
increased every 3 mins up to 40 ug/kg/min
diluted in 50 mL of D5W or NS
A2A adenosine receptor agonist vasodilator
Regadenoson (lexiscan)
0.04 mg in 5 mL saline
ACE inhibitors
Captopril: 25-50 mg
Enalaprilat: 0.5-1 mg/kg or standard 40mg if pt takes a lot or habitually
diuretic to evaluate renal obstruction
Furosemide (lasix)
0.04 mg/kg (max dose 2.5 mg)
vasodilator for cerebral blood vessels
Acetazolamide (diamox)
1g (1000mg) and wait 15 mins until RPH administration
contracts the GB
CCk (kinevac/sincalide)
0.02 ug/kg in 5mL sterile water given over 1 hour
allows GB to fill, contracts sphincter of Oddi and increases pressure
Morphine
0.04 mg/kg or standard 2mg dose
Antihistamine dosed at 300mg four times a day for 1-2 days
Cimetidine
Antihistamine dosed at 20mg tablet
Famotidine
Antihistamine dosed at 1 mg/kg IV over 20 mins
Ranitidine
Anticoagulant that should not exceed 0.15 mL ____ per mL of blood (so to not impair diffusion of stannous ion)
ACD solution
anticoagulant mostly used
Heparin
10-15 units / mL of blood
blocks thyroid from taking up free or unbound radioactive iodine
Lugol’s solution (SSKI)
single 400mg dose of potassium iodide (KI)
OR
Lugol’s solution = to 100mg of elemental iodine (I2) at least 1 hour before RPH
used for management of bradycardia, increases heart rate
Atropine
0.1mg/mL or 1mg/10mL syringe
Renders pt hypothyroid to increase uptake of radioactive iodine
Thyrogen (recombinant human TSH or rTSH)
0.9mg
2 intramuscular injections on consecutive days in the buttocks
mimics fatty meal, contracts GB, used instead of CCK
Boost/Ensure drink
8 oz