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DRUG ICARDS
Midazolam
Question | Answer |
---|---|
Midazolam Mechanism of action | -midazolam is a benzodiazepine -Enhances the activity of gamma-aminobutyric acid (GABA) receptors within the central nervous system, resulting in anticonvulsant activity, sedation, amnesia, anxiolysis, and muscle relaxation. |
Midazolam paramedic scope | -IM and IV for seizures -IM acute behavioral disturbances |
Indication (2) Paramedic | -Generalised seizure that continue for more than five minutes, or seizures are recurrent. -Acute behavioural disturbance causing a mild to moderate risk to safety and droperidol is unavailable or ineffective. |
Contraindications (2) | -Known severe allergy -Age less than 12 years (analgesia only if out of scope) |
Cautions (5) | -Altered level of consciousness. -Respiratory depression. -Signs of shock. -Concurrent administration of opiates or ketamine. prolongs effects. -Age greater or equal to 75 years, particularly if frail. |
Administration IV | -Dilute 2ml from 15mg/3ml to a total of 10ml. contains 1mg/ml |
Administration IM | Undiluted |
Common adverse effects | -Sedation -Respiratory depression -Hypotension -Amnesia |
Usual onset of effects | - IV 2-3 mins -IM 3-5 mins |
Usual preparation | Ampoule containing 15mg in 3 ml |
Pharmacokinetics | -predominantly metabolised in the liver -no significant effects from liver impairment on acute administration. |