Dosages & Special Considerations Flashcards
ADULT DOSAGES
160 to 325 mg
SPECIAL CONSIDERATION
When administered with other anti-inflammatory drugs and anticoagulants such as warfarin
(Coumadin®), the drug may increase adverse reactions and side effects
acetylsalicylic acid
ADULT DOSAGES
6.0 mg RAPID bolus over 1 to 3 seconds followed by 20 mL normal saline flush
If no response to the initial bolus after 1 to 2 minutes, administer 12 mg RAPID bolus over 1 to 3
seconds followed by 20 mL normal saline flush
PEDIATRIC DOSAGES
0.1 mg/kg (up to 6.0 mg) RAPID bolus over 1 to 3 seconds followed by
5 to10 mL normal saline flush
If no response to the initial bolus after 1 to 2 minutes, administer 0.2 mg/kg
(up to 12 mg) RAPID bolus over 1 to 3 seconds followed by 5 to 10 mL normal saline flush
SPECIAL CONSIDERATIONS
Constant monitoring of the cardiac rhythm is required during administration of the drug
The onset of the drug is 20 to 30 seconds
The peak effect of the drug is 20 to 30 seconds
The half-life of the drug is 6 to 10 seconds
The duration of the drug is 30 seconds
adenosine
ADULT DOSAGES
2.5 mg in 3.0 mL normal saline (unit dose) via small volume nebulizer
2.5 mg in 3.0 mL normal saline (unit dose) via in-line small volume nebulizer with a bag-valvemask
May repeat the dosage
PEDIATRIC DOSAGES
2.5 mg in 3.0 mL normal saline (unit dose) via small volume nebulizer
2.5 mg in 3.0 mL normal saline (unit dose) via in-line small volume nebulizer with a bag-valve
mask
May repeat the dosage
SPECIAL CONSIDERATION
The drug may be used in conjunction with ipratropium bromide (Atrovent®)
albuterol (Proventil, Ventolin)
ADULT DOSAGES
Cardiac arrest: 300 mg
If no response, administer 150 mg over 3 to 5 minutes
Tachydysrhythmias: 150 mg in 50 mL D5W infused over 10 minutes
Infusion: 1.0 mg/minute
PEDIATRIC DOSAGES
Ventricular fibrillation: 5.0 mg/kg
May repeat the dosage every 5 minutes twice
Maximum dosage 300 mg
Ventricular tachycardia: 5.0 mg/kg over 20 minutes
May repeat the dosage twice
SPECIAL CONSIDERATION
Monitoring of the cardiac rhythm for prolonged PR interval and QT interval is required during
administration of the drug
amiodarone (Cordarone)
ADULT DOSAGES
Hemodynamically significant bradycardia: 0.5 mg
May repeat the dosage every 3 to 5 minutes to maximum dosage 3.0 mg
Organophosphate poisoning/carbamate poisoning/nerve agent exposure:
1.0 to 4.0 mg
May double the dosage every 5 minutes
ET: 2.0 to 2.5 mg diluted in 10 mL normal saline
PEDIATRIC DOSAGES
Hemodynamically significant bradycardia: 0.02 mg/kg
May repeat the dosage every 3 to 5 minutes to maximum dosage 1.0 mg in children and 2.0 mg
in adolescents
Organophosphate poisoning/carbamate poisoning/nerve agent exposure: 0.03 to 0.05
mg/kg every 10 to 20 minutes
SPECIAL CONSIDERATION
Consider transcutaneous pacing for refractory bradydysrhythmias
atropine sulfate
ADULT DOSAGES 500 to 1,000 mg (0.5 to 1.0 Gm) May repeat the dosage in 10 minutes PEDIATRIC DOSAGE 0.2 to 0.25 mL/kg of a 10% solution SPECIAL CONSIDERATIONS The drug may be used as a pretreatment to administration of diltiazem (Cardizem®) The drug may cause bradydysrhythmias when administered to a patient prescribed digoxin (Lanoxin®)
calcium chloride
ADULT DOSAGES 30 to 60 Gm (1.0 to 2.0 Gm/kg) PEDIATRIC DOSAGES 0.5 to 1.0 Gm/kg SPECIAL CONSIDERATION The drug may cause serious pulmonary complications if aspirated
charcoal, activated
ADULT DOSAGES
12.5 to 25 Gm
PEDIATRIC DOSAGES
IV/IO/infusion: 0.5 to 1.0 Gm/kg of a D10 solution over 20 minutes
SPECIAL CONSIDERATIONS
Check the blood glucose level before administering the drug
Check the blood glucose level after each additional dosage of the drug
Confirm hypoglycemia before administering the drug to a stroke patient or a patient with a
possible traumatic brain injury
The drug may be used in conjunction with thiamine (vitamin B1)
An infusion pump should be used to administer the drug when possible
dextrose 50%
ONSETS OF ACTION IV/IO: 2 to 5 minutes IM: 15 to 30 minutes Rectal: variable ADULT DOSAGES 2.0 mg increments over 2 minutes PEDIATRIC DOSAGES IV/IO: 0.2 to 0.3 mg/kg IM: 0.1 to 2.0 mg/kg Rectal: 0.2 to 0.5 mg/kg SPECIAL CONSIDERATION The drug may be administered rectally to pediatric patients, but efficacy of rectal administration to adults has not been established
diazepam (Valium)
ONSET OF ACTION
2 to 5 minutes
ADULT DOSAGES
0.25 mg/kg (usually 20 mg) over 2 minutes
May repeat the dosage 0.35 mg/kg (usually 25 mg) in 15 minutes
Infusion: 5.0 to 15 mg/hour
SPECIAL CONSIDERATIONS
Consider decreasing the dosage for elderly patients
Consider pretreatment with calcium chloride
An infusion pump should be used to administer the drug when possible
diltiazem (Cardizem)
ADULT DOSAGES
Allergic reaction/anaphylaxis: 25 to 50 mg
Phenothiazine reaction with extrapyramidal symptoms: 10 to 50 mg
PEDIATRIC DOSAGES
1.0 to 1.25 mg/kg
SPECIAL CONSIDERATION
Consider the dosage of the drug according to severity of the allergic reaction or anaphylaxis
diphenhydramine (Benadryl)
THERAPEUTIC DOSAGE RANGE & RESPONSES 2.0 to 5.0 mcg/kg/minute: o Negligible beta-adrenergic response 5.0 to 10 mcg/kg/minute: o Beta-adrenergic responses Positive chronotropic effects Positive inotropic effects 10 to 20 mcg/kg/minute: o Alpha-adrenergic responses Vasoconstriction Increased blood pressure Increased preload > 20 mcg/kg/minute: o May increase the heart rate and myocardial oxygen demand to undesirable limits
ADULT DOSAGES
Infusion: 2.0 to 20 mcg/kg/minute
PEDIATRIC DOSAGES
Infusion: 2.0 to 20 mcg/kg/minute
SPECIAL CONSIDERATION
An infusion pump should be used to administer the drug when possible
dopamine
ADULT DOSAGES
Cardiac arrest: 1.0 mg (1:10,000) IV/IO
May repeat the dosage every 3 to 5 minutes during resuscitation
Cardiac arrest: 2.0 to 2.5 mg (1:1,000) ET diluted in 10 mL normal saline
May repeat the dosage every 3 to 5 minutes during resuscitation
Hemodynamically significant bradycardia: 2.0 to 10 mcg/minute infusion
Hemodynamically significant hypotension: 2.0 to 10 mcg/minute infusion
Bronchospasm associated with chronic bronchitis and emphysema/allergic
reaction/anaphylaxis: 0.3 to 0.5 mg (1:1,000) IM
o Adult EpiPen® auto-injector 0.3 mg IM
PEDIATRIC DOSAGES
Cardiac arrest: 0.01 mg/kg (1:10,000) IV/IO
May repeat the dosage every 3 to 5 minutes during resuscitation
Cardiac arrest: 0.1 mg/kg (1:1,000) ET diluted in 3.0 to 5.0 mL normal saline
May repeat the dosage every 3 to 5 minutes during resuscitation
Hemodynamically significant bradycardia: 0.01 mg/kg (1:10,000) IV/IO
Hemodynamically significant bradycardia: 0.1 mg/kg (1:1,000) ET diluted in 3.0 to 5.0 mL
normal saline until IV/IO access
Bronchospasm associated with asthma/allergic reaction/anaphylaxis: 0.01 mg/kg (1:1,000)
IM
o EpiPen Jr. ® auto-injector 0.15 mg IM
SPECIAL CONSIDERATIONS
The drug can increase adverse reactions and side effects when administered with another
sympathomimetic drug
An infusion pump should be used to administer the drug when possible
epinephrine
ADULT DOSAGES
0.2 to 0.6 mg/kg (usually 20 mg) over 30 to 60 seconds
PEDIATRIC DOSAGES
Older than 10 years: 0.2 to 0.4 mg/kg over 30 to 60 seconds
Maximum dosage 20 mg
SPECIAL CONSIDERATIONS
Duration of the drug is 3 to 5 minutes
Peak effects of the drug is less than 1 minute
etomidate
ADULT DOSAGES
25 to 50 mcg
Maximum dosage 200 mcg
PEDIATRIC DOSAGES
1.0 to 2.0 mcg/kg
Maximum dosage 50 mcg
SPECIAL CONSIDERATIONS
Duration of the drug is 30 to 60 minutes
100 mcg of the drug is equivalent to 10 mg morphine
fentanyl
ADULT DOSAGES
1.0 mg
May repeat the dosage in 7 to 10 minutes
PEDIATRIC DOSAGES
5 years or younger or less than 44 pounds (20 kg): 0.5 mg
5 years or older or more than 44 pounds (20 kg): 1.0 mg
May repeat the dosage in 7 to 10 minutes
SPECIAL CONSIDERATIONS
Check the blood glucose level before administering the drug
Check the blood glucose level after an additional dosage of the drug
The drug may be used in conjunction with dextrose 50% (D50®)
glucagon
ADULT DOSAGES
500 mcg (0.5 mg) in 2.5 mL normal saline (unit dose) via small volume nebulizer (SVN)
In-line with a bag-valve mask (BVM): 500 mcg (0.5 mg) in 2.5 mL normal saline (unit dose) via
SVN
May repeat the dosage
PEDIATRIC DOSAGES
500 mcg (0.5 mg) in 2.5 mL normal saline (unit dose) via small volume nebulizer (SVN)
In-line with a bag-valve mask (BVM): 500 mcg (0.5 mg) in 2.5 mL normal saline (unit dose) via
SVN
May repeat the dosage
SPECIAL CONSIDERATION
The drug may be used in conjunction with albuterol (Proventil®)
ipratropium bromide (Atrovent)
ADULT DOSAGES
IV/IO: 1.0 to 2.0 mg/kg over 1 minute
IM: 2.0 to 4.0 mg/kg
SPECIAL CONSIDERATION
Duration of the drug is 5 to 10 minutes
ketamine
ADULT DOSAGES
VF and pulseless VT: 1.0 to 1.5 mg/kg
May repeat the dosage 0.5 to 0.75 mg/kg every 3 to 5 minutes during resuscitation
Maximum dosage 3.0 mg/kg
Ventricular dysrhythmias with a pulse: 1.0 to 1.5 mg/kg
May repeat the dosage 0.5 to 0.75 mg/kg in 5 to 10 minutes
Maximum dosage 3.0 mg/kg
Maintenance infusion: 2.0 to 4.0 mg/minute
ET: 2.0 to 2.5 times the bolus dosage diluted in 10 mL normal saline
PEDIATRIC DOSAGES
VF and pulseless VT: 1.0 mg/kg
May repeat the dosage 1.0 mg/kg one time in 3 to 5 minutes during resuscitation
Ventricular dysrhythmias with a pulse: 1.0 mg/kg
May repeat the dosage in 5 to 10 minutes
Maximum dosage 3.0 mg/kg
Maintenance infusion: 20 to 50 mcg/kg/minute
ET: 2.0 to 2.5 times the bolus dosage diluted in 3.0 to 5.0 mL normal saline
SPECIAL CONSIDERATIONS
Consider decreased dosages for elderly patients and patients with liver disease due to reduced
metabolic function
An infusion pump should be used to administer the drug when possible
lidocaine
ADULT DOSAGES
Seizure IV/IO: 2.0 to 5.0 mg over 2 minutes
Seizure IM: 2.0 to 5.0 mg
Procedural sedation IV/IO: 2.0 mg over 2 minutes
Procedural sedation IM: 4.0 mg
Maximum dosage: 10 mg
PEDIATRIC DOSAGES
Seizure IV/IO/IM: 0.05 to 0.1 mg/kg over 2 minutes
Maximum dosage 4.0 mg
SPECIAL CONSIDERATION
The drug may produce longer periods of sedation with elderly patients
lorazepam (Ativan)
ADULT DOSAGES
Torsades de pointes infusion: 1.0 to 2.0 Gm in 50 to 100 mL over 5 minutes
May repeat the dosage 1.0 to 2.0 Gm over 1 hour
Pre-term labor/pre-eclampsia/eclampsia infusion: 3.0 to 6.0 Gm in 100 mL over 10 to 20
minutes
May repeat the initial dosage
Maintenance infusion: 1.0 to 4.0 Gm/hour
Reactive airway conditions: 2.0 Gm in 50 mL over 5 to 10 minutes
Cardiac arrest IV/IO: 1.0 to 2.0 Gm over 1 to 2 minutes
PEDIATRIC DOSAGES
Reactive airway conditions infusion: 25 to 50 mg/kg of a 10% solution infused over 15 to 30
minutes
Maximum dosage 2.0 Gm
SPECIAL CONSIDERATION
An infusion pump should be used to administer the drug when possible
magnesium sulfate
ADULT DOSAGE
125 mg
PEDIATRIC DOSAGES
2.0 to 4.0 mg/kg
SPECIAL CONSIDERATIONS
Peak effect of the drug is 8 hours
Duration of the drug is 18 to 36 hours
methylprednisolone (Solu-Medrol)
ADULT DOSAGES
Seizure IV/IO: 0.1 mg/kg
Maximum dosage: 4.0 mg
Seizure IM: 0.2 mg/kg
Maximum dosage: 10 mg
Procedural sedation IV/IO: 0.5 to 2.5 mg
Maximum dosage: 0.1 mg/kg
Chemical restraint IV/IO: 0.05 to 0.1 mg/kg
Chemical restraint IM: 0.1 to 0.15 mg/kg
PEDIATRIC DOSAGES Seizure IV/IO: 0.05 to 0.1 mg/kg Seizure IM: 0.2 mg/kg Maximum dosage: 10 mg Procedural sedation IV/IO: 0.05 to 0.5 mg/kg Maximum dosage 0.1 mg/kg
SPECIAL CONSIDERATIONS
Consider decreased dosages for elderly patients and patients with liver and kidney disease due
to reduced metabolic function
midazolam (Versed)
ADULT DOSAGES
1.0 to 4.0 mg increments over 1 to 5 minutes
PEDIATRIC DOSAGES
0.1 to 0.2 mg/kg
SPECIAL CONSIDERATIONS
Duration of the drug is 2 to 7 hours
Respiratory arrest/depression can be revered by naloxone (Narcan®)
morphine sulfate
ADULT DOSAGES
2.0 mg
May repeat the dosage every 2 minutes
ET: 4.0 mg diluted in 10 mL normal saline
Intra-nasal (IN): 1.0 mg sprayed in each nostril with a mucosal atomizer device (MAD)
May repeat the dosage every 2 minutes
PEDIATRIC DOSAGES
0.1 mg/kg (up to 2.0 mg per dosage)
May repeat the dosage every 2 minutes
ET: 2.0 to 4.0 mg diluted in 3.0 to 5.0 mL normal saline
Intra-nasal (IN): 1.0 mg sprayed in each nostril with a mucosal atomizer device (MAD)
May repeat the dosage every 2 minutes
SPECIAL CONSIDERATION
Duration of the drug is 20 minutes to 2 hours
naloxone
ADULT DOSAGES
Tablet: 0.4 mg
Single spray: 0.4 mg
May repeat the dosage in 3 to 5 minutes twice after the initial dosage
SPECIAL CONSIDERATION
Peak effect of the drug is 5 to 10 minutes
nitroglycerin
ADULT DOSAGE
Self-administered and self-regulated by the patient
PEDIATRIC DOSAGE
Self-administered and self-regulated by the patient
SPECIAL CONSIDERATIONS
The patient must hold the mask to the face while inhaling the drug
Duration of the drug is 2 to 5 minutes
nitrous oxide 50%
ADULT DOSAGES
Oral: 8.0 mg
IV/IO: 4.0 to 8.0 mg over 2 to 5 minutes
PEDIATRIC DOSAGES
4 to 14 years oral/IV/IO: 4.0 mg
Maximum dosage 4.0 mg
SPECIAL CONSIDERATIONS
Peak effect of the drug is 2 hours
Duration of the drug is 3 to 6 hours
ondansetron (Zofran)
ADULT DOSAGES 15 to 50 Gm May repeat the dosage PEDIATRIC DOSAGES 5.0 to 50 Gm May repeat the dosage SPECIAL CONSIDERATIONS Check the blood glucose level before administering the drug Check the blood glucose level after each additional dosage of the drug
oral glucose
Oxygen Delivery &
Ventilation Devices
Delivery Rate Oxygen Percentages
nasal cannula 1 to 6 L/minute 24 to 44%
simple face mask 8 to 10 L/minute 40 to 60%
partial nonrebreather mask 15 L/minute 80 to 90%
nonrebreather mask 10 to 15 L/minute up to 90%
Venturi® mask variable 24 to 40%
mouth-to-mask device without supplemental
oxygen N/A 16 to 17%
mouth-to-mask device with supplemental
oxygen 15 L/minute up to 55%
bag-valve mask with reservoir 15 L/minute up to 100%
continuous positive air pressure (CPAP)
variable up to 80%
SPECIAL CONSIDERATION
In the emergency setting, delivery of high-flow oxygen does not have a significant respiratory
depressive effect on the patient with a cardiovascular condition or chronic obstructive pulmonary
disease specifically emphysema
oxygen
ADULT DOSAGES
Infusion: 10 to 20 U in 1,000 mL (1.0 L) of NS or LR titrated to the severity of hemorrhage and
uterine response
IM: 10 U
SPECIAL CONSIDERATION
An infusion pump should be used to administer the drug when possible
oxytocin
ADULT DOSAGES
1 to 2 sprays in the nostril
SPECIAL CONSIDERATION
The drug is used in conjunction with a properly-sized nasotracheal tube and lubrication
phenylephrine (Neo-Synephrine)
ADULT DOSAGES
1.0 mEq/kg
May repeat the dosage 0.5 mEq/kg every 10 minutes
PEDIATRIC DOSAGES
1.0 mEq/kg
May repeat dosage 0.5 mEq/kg every 10 minutes
SPECIAL CONSIDERATION
The drug must be used in conjunction with effective ventilation
sodium bicarbonate
ADULT DOSAGES
0.6 to 2.0 mg/kg
May repeat the dosage once in 2 to 3 minutes
PEDIATRIC DOSAGES
1.0 to 2.0 mg/kg
May repeat the dosage once in 2 to 3 minutes
SPECIAL CONSIDERATION
Duration of the drug is 8 minutes
succinylcholine
ADULT DOSAGE
100 mg
PEDIATRIC DOSAGES
10 to 25 mg
SPECIAL CONSIDERATION
The drug may be administered prior to dextrose 50% (D50)
thiamine (vitamin B1)
ADULT DOSAGES
Cardiac arrest IV/IO: 40 U administered once
Cardiac arrest ET: 40 U diluted in 10 mL normal saline
SPECIAL CONSIDERATION
Duration of the drug is 30 to 60 minutes
vasopressin
ADULT DOSAGES
2.5 mg over 2 minutes
May repeat the dosage 5.0 to 10 mg in 15 to 30 minutes
Maximum dosage 30 mg
SPECIAL CONSIDERATION
Administer the drug over 3 minutes to elderly patients
verapamil