Drugs Flashcards
What is the dose of amiodarone given to pediatrics? Is there an age restriction?
5mg/kg up to adult dose of 300mg.
No age restriction.
Nebulised adrenaline in severe croup; when should 2.5mg be administered?
When should 5mg be administered?
2.5mg for pt< 6mo
5mg for pt >= 6mo
What dose of IV adrenaline is given to pediatrics in cardiac arrest? In what concentration is it given?
10microg/kg.
For all pts < 16yrs, concentration should be 100 microg/1ml (dilute 1mg/1ml in 9ml saline).
What dose of IM adrenaline is given to pediatrics in anaphylaxis / asthma?
10 microg/kg up to 500microg
Which patients are indicated for nebulised adrenaline?
Croup - severe or life threatening
Anaphylaxis with upper airway swelling.
n.b. - in anaphylaxis neb can be given after FIRST IM adrenaline
What dose of benzylpenicillin is given to pediatrics?
What is the concentration of the prepared solution?
Is it given IM, IV or both?
Dose: 60mg/kg up to 2400mg
Concentration: 1200mg/4ml = 300mg/ml (1.2g powder with 3.2ml water)
May be given IM or IV; IV preferred - slow push over 3-4min (rapid administration of large doses may result in seizures)
What are the contraindications / precautions for benzylpenicillin?
No absolute contraindications
Relative contraindication of allergy / adverse drug reaction - discuss with SAAS medical practitioner via ECP.
What is the dose of IV fentanyl given to pediatrics?
What is the dosage interval?
What concentration is given?
What is the total max dose?
Dose: 0.5 microg/kg to single max 25 microg
Interval: 5min
Concentration: 100microg / 10ml (100microg / 2ml mixed with 2ml saline)
Total max dose: 2 microg/kg
When is consultation required for administering fentanyl?
Consultation required for
* IV fentanyl: pts < 6yrs
* IN fentanyl: for pts < 1yr
In giving IN fentanyl, when should the 450microg/1.5ml formulation be used?
When should 100microg/2ml be used?
The 100microg/2ml formulation should be used where less than 30 microg of fentanyl is being given. i.e. patients less than 20kg (approx 5yrs).
What is the dose of IN fentanyl given to pediatrics?
Dosage interval?
Max dose?
1.5microg/kg
Interval 5min
Max dose 4.5microg/kg
What is the dose of of IN fentanyl given to adults?
What is the dosage interval?
What is the max dose?
180microg, repeat prn every 5min, max dose 400microg
What is the dose of glucagon for adults? Paediatrics? When does the dose change?
Adults: 1mg
Pediatrics >=25kg get 1mg
Pediatrics < 25kg (approx 6yrs) get 0.5mg
If glucagon fails to correct hypoglycemia, when should IV glucose be considered?
Use IV glucose if hypoglycemia not corrected after 10min
What nebulised dose of ipratropium is given to paediatrics?
Adults?
At what age does the dose change?
Paediatrics 250microg
Adults 500microg
Dose changes at 6yrs
When is nebulised ipratropium indicated?
What is the dosage interval?
Max dose?
Indicated for
* asthma (moderate, severe and life-threatening) anaphylaxis with bronchospasm (moderate, severe and life-threatening)
* Exacerbation of moderate to severe COPD if MDI ineffective
Dosage interval - repeat every 20min up to 3x in severe / life-threatening bronchospasm and moderate to severe COPD. Once only for moderate bronchospasm.
What is the concentration of IV glucose 10%?
What is the initial dose for IV glucose 10%?
Repeat dose?
Max dose?
Concentration 100mg/ml
Dose is 2ml/kg up to 250ml (i.e. 200mg/kg up to 25g)
Repeat at 1ml/kg (100mg/kg)
Max dose 5ml/kg
When is IV glucose 10% indicated?
Adult hypoglycemia (BGL< 3.5mmol) with inability to tolerate oral glucose
Paediatric hypoglycemia (BGL< 3.5mmol) if unable to tolerate oral glucose AND glucagon ineffective. Consult required.
Hypoglycemia post-ROSC
What volume of saline should be given as a flush following administration of IV glucose 10%?
How should this be administered to paediatrics?
Adults 100ml
Pediatrics 1ml/kg
In pediatrics fluid should be administered using a burette.
What are the indications for droperidol?
Indications:
* Patient aged 16–64 yrs AND uncooperative in taking oral medications AND SAT ≥ +2 from likely or apparent non-medical cause
- Consult required for pts >=65yrs
* Nausea/vomiting as second line therapy (adults only)
What is dose of droperidol may be given for challenging behaviours?
What is the concentration?
Dosage interval?
Max dose?
Dose 5-10mg IM (1-2ml)
Concentration 10mg/2ml
Can repeat once after 15min if SAT>=+2
Max dose droperidol + olanzapine is 20mg in 24hrs
What is dose of droperidol may be given as a second line therapy for nausea/vomiting?
What is the concentration?
Max dose?
Dose: 250-500microg IV - slow push over 1min.
Consider smaller dose in pts >=65yrs
Concentration: 100 microg/ml; 10mg (2ml) droperidol added to 100ml saline, required dose decanted via syringe.
Max dose: 500microg.
What is the concentration of amiodarone?
What is the dose for adult patients?
Pediatrics?
Concentration 150mg/3ml (50mg/ml)
Adult dose is 300mg (6ml)
Pediatric dose 5mg/kg (0.1ml/kg)
≤ 1 yr use 1 mL syringe to draw up age appropriate dose
When is amiodarone indicated? When is it contraindicated?
Indicated for cardiac arrest / shockable rhythm refractory to 3x DCCS
Contraindicated for hypothermic patients < 30C (all cardiac arrest drugs withheld)
What are the contraindications for aspirin?
Adverse effects?
What is the onset time?
Contraindications
* Anaphylaxis (not hypersensitivity) to aspirin and NSAIDs
* Severe active bleeding
* Use in paediatrics (associated with Reye’s syndrome)
Adverse effects - GI irritation and increased clotting time
Onset 10min.
What are the contraindications for droperidol?
Contraindications
* Hx of neuroleptic malignant syndrome
* Parkinsons disease
* Pregnancy
* Phaeochromocytoma (hormone secreting tumour of adrenals)
Relative: pts with long QT syndrome (anti-emetic doses unlikely to affect QT)
What are the adverse effects of droperidol?
Significant adverse effects include
* Hypotension
* Respiratory depression
* Extrapyramidal effects (dystonias including torticollis, trismus, and oculogyric crisis)
What are the indications for fentanyl?
What is the IV dose for adults?
What is the max dose?
Indications:
* Moderate to severe pain
* Chest pain
IV dose 25-50microg (slow push over 1min)
Max dose
* Moderate to severe pain: Max 300microg in 1st hour and 100microg every subsequent hour
* Chest pain: Total max dose not to exceed 300microg
What is the dose for fexofenadine? What is the age restriction?
Dose 180mg (single tablet), single dose.
Given to pts >=12
When is fexofenadine indicated?
Can it be given in anaphylaxis?
What if pt has already had an antihistamine today?
- Indicated for mild/moderate allergic reaction (i.e. single body system affected).
- Can be given in anaphylaxis if prominent itch after systemic effects resolved
- Safe to give if pt has already had antihistamine today
What are the side effects of fexofenadine? What are the risks?
Common adverse effects include drowsiness, headache, nausea and dry mouth
Increased risk of sedation and anticholinergic effects (dry mouth, blurred vision & postural hypotension) in elderly pts
What are the contraindications for oral glucose in hypoglycemia?
Unsuitable for patients with altered conscious state/ inability to swallow who are incapable of self-administration
When is oral glucose indicated for neonates?
How should it be administered?
Indicated for BGL< 2.5mmol
In neonates use a 3 mL syringe (dry buccal mucosa with dressing) and apply gel, massaging gently with gloved hand
When are the indications for GTN?
What are the contraindications?
Indicated for chest pain and ACPO
Contraindications
* recent use of PDE-5 inhibitor drug (commonly for erectile dysfunction or pulmonary arterial hypertension):
- 24 hrs: sildenafil (Viagra), vardenafil (Levitra) or avanafil (Stendra); or 48 hrs: tadalafil (Cialis)
* in hypovolaemic states that cannot be corrected
* if SBP < 100 mmHg
* Previous GTN tablet not fully dissolved
What are the adverse effects of GTN?
- Severe headache
- Flushing
- Palpitations
- Orthostatic hypotension (falls risks)
- Fainting
- Peripheral oedema
What are the indications for ibuprofin?
What are the contraindications?
What is the age restriction?
Indicated for pain management as part of a multimodal approach
Contraindications
* Chronic kidney disease
* Active peptic ulcer disease
* GI bleeding
* Congestive cardiac failure (CCF)
* Hx of MI
* Presenting with acute coronary syndrome (ACS)
* Pregnancy
* Hypoperfused state
* Ibuprofin use within 6hrs
Not to be used in infants < 3mo