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16 notecards = 4 pages (4 cards per page)

Viewing:

Medical/Trauma Meds Class & MOA

front 1

Dextrose (D50, D25, D10)

back 1

Class:

Carbohydrate, hypertonic solution.

Mechanism of Action:

Rapidly increases serum glucose levels.

front 2

Diazepam (Valium)

back 2

Class:

Benzodiazepine, anticonvulsant, sedative-hypnotic

Mechanism of Action:

Potentates' effects of inhibitory neurotransmitters.
Raises seizure threshold.
Induces amnesia and sedation.

front 3

Diphenhydramine hydrochloride (Benadryl)

back 3

Class:

Antihistamine

Mechanism of Action:

  • Blocks cellular histamine receptors; decreases vasodilatation.
  • Reverses extrapyramidal reactions.

front 4

Epinephrine (1:1000, 1:10,000)

back 4

Class:

Sympathomimetic.

Mechanism of Action:

Direct acting alpha and beta agonist

  • Alpha: vascular bronchial, cutaneous, renal and visceral arteriolar vasoconstriction.
  • Beta 1: positive inotropic, chronotropic and dromotropic actions, increases automaticity.
  • Beta 2: bronchial smooth muscle relaxation and dilation of skeletal vasculature
  • Blocks histamine release.

front 5

Fentanyl citrate (Sublimaze)

back 5

Class:

Narcotic Analgesic

Mechanism of Action:

A dose of 100 mcg (0.1 mg) (2 mL) is approximately equivalent in analgesic activity to 10 mg of morphine.

front 6

Glucagon

back 6

Class:

Hyperglycemic agent, pancreatic hormone.

Mechanism of Action:

  • Increases blood glucose by stimulating glycolysis.
  • Unknown mechanism of stabilizing cardiac rhythm in beta-blocker overdose.
  • Minimal positive inotropic and chronotropic.

front 7

Hydrocortisone sodium succinate (Cortef, Solu-Cortef)

back 7

Class:

Corticosteroid

Mechanism of Action:

  • Suppresses acute and chronic inflammation.
  • Replaces absent glucocorticoids.
  • Immunosuppressive effects.

front 8

Hydroxocobalamin (Vitamin B 12)
*cyano-kit

back 8

Class:

Water soluble Vitamin

Mechanism of Action:

  • Cyanide is an extremely toxic poison. In the absence of rapid and adequate treatment, exposure to a high dose of cyanide can result in death within minutes due to the inhibition of cytochrome oxidase resulting in arrest of cellular respiration.
  • Specifically, cyanide binds rapidly with cytochrome a3, a component of the cytochrome c oxidase complex in mitochondria. Inhibition of cytochrome a3 prevents the cell from using oxygen and forces anaerobic metabolism, resulting in lactate production, cellular hypoxia and metabolic acidosis.
  • In massive acute cyanide poisoning, the mechanism of toxicity may involve other enzyme systems as well. Signs and symptoms of acute systemic cyanide poisoning may develop rapidly within minutes, depending on the route and extent of cyanide exposure. The action of hydroxocobalamin in the treatment of cyanide poisoning is based on its ability to bind cyanide ions. Each hydroxocobalamin molecule can bind one cyanide ion by substituting it for the hydroxo ligand linked to the trivalent cobalt ion, to form cyanocobalamin, which is then excreted in the urine.

front 9

Ketamine (Ketalar)

back 9

Class:

Sedative, analgesic, dissociative anesthetic.

Mechanism of Action:

Blocks pain receptors and minimizes spinal cord activity, affecting the association pathways of the brain between the thalamus and the limbic system.

front 10

Lorazepam (Ativan)

back 10

Class:

Benzodiazepine, sedative, anticonvulsant.

Mechanism of Action:

Anxiolytic, anticonvulsant and sedative effects; suppresses propagation of seizure activity produced by foci in cortex, thalamus and limbic areas.

front 11

Methylprednisolone sodium succinate (Solu-Medrol)

back 11

Class:

Corticosteroid.

  • Mechanism of Action:
  • Suppresses acute and chronic inflammation.
  • Replaces absent glucocorticoids.
  • Immunosuppressive effects.

front 12

Midazolam (Versed)

back 12

Class:

Short-acting benzodiazepine CNS depressant.

Mechanism of Action:

  • Increased production of GABA, an inhibitory neurotransmitter, causing procedural amnesia; anesthesia; skeletal muscle relaxation.
  • Anxiolytic and sedative / hypnotic properties similar to other benzodiazepines.

front 13

Naloxone (Narcan)

back 13

Class:

Narcotic antagonist.

Mechanism of Action:

  • Competitive inhibition at narcotic receptor sites.
  • Reverse respiratory depression secondary to depressant drugs.
  • Completely inhibits the effect of morphine.

front 14

Ondansetron (Zofran)

back 14

Class:

Antiemetic

Mechanism of Action:

Selective 5-HT receptor antagonist, blocking serotonin, both peripherally on vagal nerve terminals and centrally in the CNS chemoreceptor trigger zone.

front 15

Pralidoxime chloride (2-PAM, Protopam)

back 15

Class:

Cholinesterase reactivator.

Mechanism of Action:

  • Reactivation of cholinesterase to effectively act as an antidote to organophosphate pesticide poisoning.
  • This action allows for destruction of accumulated acetylcholine at the neuromuscular junction.

front 16

Tranexamic acid (TXA)

back 16

Class:

Hemostatic agent, antifibrinolytic, plasminogen inactivator

Mechanism of Action:

Reduces plasminogen activation, mitigating conversion to plasmin.