I don't think Ondansetron is controlled substance though? I guess it depends how you define controlled substance. I should hope that an ALS ambulance carries some sort of anti-emtic, that's a bread and butter ALS call right there.
a. Activated Charcoal (without added sorbitol)
b. Adenosine
c. Adrenaline (Epinephrine) 1:1,000 Concentration
d. Adrenaline (Epinephrine) 1:10,000 Concentration
e. Albuterol (Ventolin or Proventil) Unit Dose 2.5 mg Aerosolized
Solution for Inhalation
f. Amiodarone (Cordarone)
g. Aspirin (chewable, 160mg or 81mg)
h. Atropine
i. Dextrose 50%
j. Diphenhydramine (Benadryl)
k. Dopamine (Intropin)
l. Furosemide (Lasix)
m. Glucagon
n. Ipratropium Bromide (Atrovent)
o. Lidocaine (Xylocaine Hydrochloride)
p. Midazolam (Versed) – 5 mg/ml Ampule or Vial
q. Magnesium Sulfate 50%
r. Morphine Sulfate - 10 mg/ml Ampule or Vial
s. Naloxone (Narcan)
t. Nitroglycerin - Spray or SL tabs, 0.4mg per Unit Dose
u. NaCl 0.9% (10 ml) for Injection
v. Phenylephrine HCl (Neo-Synephrine) - .5mg per Metered Dose
w. Sodium Bicarbonate
x. Verapamil (Isoptin or Calan)
y. Viscous Lidocaine 2%