Diltiazem: Difference between revisions

(Text replacement - "Rxn" to "Reactions")
(Text replacement - "== " to "==")
Line 1: Line 1:
== Adult Dosing ==
==Adult Dosing ==
*Loading dose = 0.25mg/kg (max=20mg) IV bolus over 2min
*Loading dose = 0.25mg/kg (max=20mg) IV bolus over 2min
**If ineffective after 15min: 0.35mg/kg (max=25mg) over 2min
**If ineffective after 15min: 0.35mg/kg (max=25mg) over 2min
Line 7: Line 7:
*See [[critical care quick reference]] for drug doses by weight
*See [[critical care quick reference]] for drug doses by weight


== Contraindications ==
==Contraindications ==
*Wide-complex tachycardia due to bypass tract
*Wide-complex tachycardia due to bypass tract


== Indications ==
==Indications ==
*Conversion of PSVT to NSR
*Conversion of PSVT to NSR
*Slow RVR in a-fib/flutter
*Slow RVR in a-fib/flutter


== Mechanism of Action ==
==Mechanism of Action ==
*Class IV - Inhibits Ca influx
*Class IV - Inhibits Ca influx
**Slows AV nodal conduction
**Slows AV nodal conduction


== Adverse Drug Reactionss ==
==Adverse Drug Reactionss ==
Bradycardia, CHF, AV block, BBB, hypotension
Bradycardia, CHF, AV block, BBB, hypotension


== Kinetics ==
==Kinetics ==
*Onset of action = 2-3min (IV)
*Onset of action = 2-3min (IV)
*Duration of action = 1-3hr (IV)
*Duration of action = 1-3hr (IV)

Revision as of 09:15, 5 July 2016

Adult Dosing

  • Loading dose = 0.25mg/kg (max=20mg) IV bolus over 2min
    • If ineffective after 15min: 0.35mg/kg (max=25mg) over 2min
    • If effective: Start infusion at 5-15mg/hr

Pediatric Dosing

Contraindications

  • Wide-complex tachycardia due to bypass tract

Indications

  • Conversion of PSVT to NSR
  • Slow RVR in a-fib/flutter

Mechanism of Action

  • Class IV - Inhibits Ca influx
    • Slows AV nodal conduction

Adverse Drug Reactionss

Bradycardia, CHF, AV block, BBB, hypotension

Kinetics

  • Onset of action = 2-3min (IV)
  • Duration of action = 1-3hr (IV)

See Also