Med Summary St. B Flashcards
ASA administration
Chewed
ASA cautions (3)
Do not administer with salicylate allergy, GI bleed, thrombocytopenia
Calcium Chloride uses
Cardiac Resuscitation
Hyperkalemia
Hypocalcemia
Calcium channel blocker overdose
Calcium chloride administration
IV push - central route preferred
Dextrose 50% administration
IV push (central preferred)
Dextrose cautions
Local pain and vein irritation if infused rapidly
Diazepam use (4) - SAAS mnemonic
Sedation
Agitation
Alcohol withdrawal
Status epilepticus
Diazepam admin
Slow IV push into large vein, flush afterwards
Diazepam cautions
- thrombophlebitis
- drowsiness
- ataxia
- resp depression
- hypotension
Diphenhydramine use
Anaphylaxis
Diphenhydramine admin
IV push
Diphenhydramine cautions
- CNS effects
- urinary retention
Epinephrine use
Anaphylaxis and cardiac arrest
Epinephrine admin
IV push, if given peripherally, flush with 20ml to ensure complete drug delivery
Epinephrine cautions
- hypertension
- tachycardia
- palpitations
- angina
- arrhythmias
- anxiety
- swearing
- headache
- hyperglycaemia
Furosemide admin
IV push into infusing IV solution
Furosemide cautions
- electrolyte depletion
- hypovolemia
- thrombophlebitis
- ototoxicity
- caution in patients allergic to sulfa drugs
Hydralazine use
Hypertension, heart failure
Hydralazine admin
IV push
Hydralazine cautions
- hypotension
- palpitations
- tachycardia
- angina
- dizziness
Hydrocortisone use
Anaphylaxis
Sepsis
Refractory hypotension
Adrenal insufficiency
Hydrocortisone admin
IV push - only up to 500mg
Hydrocortisone cautions
- Sodium retention, edema
- hypokalemia, hyperglycaemia
- hypertension
- CNS side effects
Naloxone cautions
Opioid withdrawal symptoms
Nitro spray (use, admin, cautions
- use: opioid antagonist
- admin: sublingual
- cautions: hypotension, dizziness
Phenytoin use
Seizures
Phenytoin route
Max rate 50mg/min, DO NOT COMBINE WITH DEXTROSE, Infuse with fluids into large vein, big flush
Phenytoin cautions
- Bradycardia
- hypotension
- arrhythmias
- resp depression
Sodium Bicarbonate use
Hyperkalemia, acidosis
Sodium bicarbonate cautions
- CNS effects
- electrolyte disturbances
Adenosine use
SVT
Adenosine admin (2)
- Fast push (worse sx with slow push)
- Continuous EKG monitoring required
Adenosine cautions
- sx common but short term
- contraindications: AV block, sick sinus, symptomatic brady, asthma/COPD (wheezing occurs)
- sx: AV block, transient arrhythmias, hypotension, tachycardia
Amiodarone use
Atrial/ventricular arrhythmias
Amiodarone admin (2)
Push in cardiac arrest only (dilute in 20ml D5W)
Amiodarone cautions (2)
- Hypotension
- bradyarrhythmias
Atropine use
Symptomatic bradycardia
Atropine admin
IV push
Atropine cautions (5)
- palpitation
- tachycardia
- dilated pupils
- blurred vision
- urinary retention
Lidocaine use
Ventricular arrhythmias
Lidocaine admin
IV push
Lidocaine cautions (4)
- CNS effects
- seizures
- resp arrest
- hypotension
Vasopressin use
Cardiac arrest
Shock
Vasopressin admin
IV push in cardiac arrest
Vasopressin cautions (3)
Bradycardia
Arrhythmias
Angina
Indication for use of antipsychotics
- Severe/disabling hallucinations, paranoia, delusions
- aggression poses safety risk to self/others
Contraindication for antipsychotics
Not effective for wandering/calling out
How does antipsychotic use for agitation impact mortality
Increased risk of mortality
Side effects of antipsychotics (8)
- somnolence
- increased confusion
- postural hypotension
- falls
- Parkinsonian symptoms, akathisias
- metabolic disorders
- arrhythmias
- neuroleptic malignant syndrome
How often should patients on antipsychotics for dementia be re-evaluated
- minimum q3 months
List three common atypical antipsychotics
- risperidone
- quetiapibe
- olanzapine
Risperidone cautions
Most likely atypical antipsychotic to cause Parkinsonian symptoms
Risperidone benefits
Least likely atypical antipsychotic to cause drowsiness
Quetiapine cautions
Most likely atypical antipsychotic to cause drowsiness
Quetiapine benefit and preferred population
Least likely atypical antipsychotic to cause Parkinsonian symptoms (choice for Parkinson’s disease/Louis body dementia
Olanzapine caution
Most likely atypical antipsychotic to cause postural hypotension
What is a typical antipsychotic
Haldol
Haldol cautions (2)
Avoid in patients with Parkinson’s/Lewis body dementia
QT prolongation - caution with patients on anti-arrhythmic meds
Beta blocker examples
All end with ‘olol’ except carvedilol
- most common: metoprolol, atenolol, bisoprolol, labetolol
Beta blockers secondary uses
- rate control for a. Fib
- prophylaxis against variceal bleed, migraine
- hyperthyroidism
- eye drop for glaucoma
Beta blocker side effects
- Fatigue
- insomnia
- decreased libido
- bronchospasm
Calcium channel blocker (non-dihydropyridine) examples
- Diltiazem
- Verapamil
Calcium channel blocker
(dihydropyridine) example
Nifepidine
Felopidine
Amlodipine
Calcium channel blocker (dihydropyridine) cautions
- only amplodipine can be chewed
- nifepidine appears undigested in stool
- sx: dizziness, headache, constipation, fatigue
ACE-inhibitor examples
All end with PRIL
Common: Ramipril
ACE-inhibitor side effects
- hyperkalemia
- cough
- initial worsening of renal function (renal protective long term)
- rare: Angioedema
Angiotensin receptor blocker examples
End with ‘sartan’
Common: irbesartan
Angiotensin receptor blocker considerations
- consider for patients with cough from ace inhibitors
- sx include hyperkalemia, initial worsening of renal function, angioedema
Alpha blocker examples
End with ‘zosin’
- terazosin
- prazosin
- doxazosin
Alpha blocker side effects
- Postural hypotension (intense, consider HS dosing)
- dizziness
- headache
- muscle weakness
- peripheral edema
Central acting vasodilator example
Clonidine
Central acting vasodilator side effects
Dizziness
Drowsiness
Dry mouth
Weakness
Constipation
Venous vasodilator example
Nitroglycerin
Venous vasodilator considerations
- sx: hypotension, dizziness, headache, patchy skin reactions
- nitro patch tolerance develops within 72 hours - need vacations
Arterial vasodilator examples
- Hydralazine
- Minoxidil
Hydralazine considerations
May cause reflex tachycardia and lupus-like syndrome
Minoxidil considerations
MY cause excess hair growth
Thiazide diuretic examples (4)
Hydroclorothiazide
Metolazone
Chlorthalidone
Indapamide
Thiazide diuretic indications
Treats hypertension and synergizes with loop diuretics in treatment of CHF
Thiazide considerations
- give in AM (++HS elimination)
- sx: low k, Na, Mg, elevated Ca+, dehydration, hypotension, photosensitivity, anorexia, gout
- low glomerular filtration = ineffective
Loop diuretic examples
Furosemide
Ethacrynic Acid
Loop diuretic considerations
- admin AM
- sx: low K, Na, Mg, Ava
- dehydration, bad renal function, hypotension, photosensitivity, gout, hearing impairment with high IV dose
- Ethacrynic acid used for furosemide allergy
Potassium sparing diuretic examples
Spironolactone
Amiloride
Triamterene
Potassium sparing diuretic secondary uses
Hyperaldosteronism (spironolactone)
K sparing diuretic considerations
- Give in AM
- Spironolactone sx hyperkalemia, gynecomastia, dehydration, worsening renal function
Cardiac glycosides example
Digoxin
Digoxin use
- CHF
- A. Fib (rate control)
Digoxin considerations
- sx: NV, visual disturbances, bradycardia, anorexia, arrhythmias
- hypokalemia predisposes to Brady
Which anti-arrhythmic drug has the lowest potential to cause new arrhythmias and is safest for heart failure
Amiodarone
Unfractioned Heparin/Dalteparin indication (very specific)
Used for patients unable to ambulate 50m 3x day
Dalteparin alternative name?
Low molecular weight heparin
Dalteparin dosing
<50kg = 2500
50-100kg = 5000
100-150kg = 7500
Heparin dosing
<100kg = 5000 q12h
>100kg = 5000 q8h
Dalteparin contraindications
- Caution in renal dysfunction (eGFR <30), particular caution if used more than 7 days
- HIT
Factor XA Inhibitor example
Fondaparinux
Fonxaparinux use
Patients with history of HIT
Fondaparinux contraindications
May accumulate with renal dysfunction.
SABA examples
Salbutamol (ventolin)
Terbutaline
SABA secondary uses
Anaphylaxis
Hyperkalemia
Respiratory anticholinergic examples
Ipatropium (atrovent)
Tiotropium (spiriva)
Anticholinergic uses
- Reduces airway secretions/bronchodilates
- Asthma (acute and chronic)
Anticholinergic considerations
Ipatropium therapy must fail in order to try other types
LABA examples (2)
- salmeterol (serevent)
- formoterol
Salmeterol onset of action
30min-2hrs
Salmeterol considerations
Should not be used as mono therapy - use with steroid
Corticosteroid examples
Fluticasone (Flovent)
Budesonide (pulmicort)
Ciclesonide
Beclomethasone
Corticosteroid considerations
Rinse mouth after each use to reduce risk of thrush
Resp Combination product examples
Advair (salmeterol/fluticasone)
Symbiocort (formeterol/budesonide)
Combivent (Salbutamol/ipatropium)
Zenhale (folmeterol/mometasone)
Advair considerations
Salmeterol content is different in MDI vs. Diskus
Classes of oral resp meds (4)
- corticosteroids
- leukotriene receptor antagonist
- phosphodiesterase 3+4 inhibitor
- phosphodiesterase 5 inhibitor
Corticosteroid sx
GI upset
Mood changes/insomnia
Hyperglycaemia
Fluid retention
HTN
Osteoporosis
Cataracts
Leukotriene receptor antagonist example
End with Lukast
Example: montelukas
Leukotriene receptor antagonist uses
- Asthma
- Allergic rhinitis
Leukotriene receptor antagonist considerations
Sx: headache and behavioural changes
Phosphodiesterase III + IV inhibitor examples
Theophylline
Phosphodiesterase III + IV inhibitor use
Asthma
Phosphodiesterase III + IV inhibitor sx
- lots of drug interactions
- sx: GI, insomnia, Tachy, urinary retention
Phosphodiesterase IV inhibitor example
Roflumilast
Phosphodiesterase IV inhibitor use
Severe COPD
Phosphodiesterase IV inhibitor considerations
- Not covered by pharmacare, expensive
- considered when people have maxed out on puffers
- sx: depression, insomnia, suicidal thoughts, NVD
Classes of acid suppressing meds (3)
Antacids
H2 blockers
PPIs
Antacid examples
Diovol (aluminum/magnesium)
Alugel (aluminum hydroxide)
Antacid considerations
- Sx: diarrhea, constipation
- Binds with floxacin, cycline abx
H2 blocker examples
- Ranitidine
- Famotidine
PPI Inhibitor examples
- Pantoprazole
- Esomeorazole
- Omeprazole
- Lansoprazole
Describe the PPI auto sun policy
All patients get switched to panto, esomeprazole on admission
- eso more likely for tube feeds
When is panto IV used?
Continuous infusion for acute GI bleed
Prokinetic agent examples (3)
- Metoclopramide
- Domperidone
- Erythromycin
Metoclopramide sx
- Crosses blood brain barrier, pseudoparkinson symptoms, myoclonus, drowsiness
- sx more common with older adults, high dose, impaired renal function
Domperidone considerations
Does not cross blood brain barrier
Erythromycin considerations
Drug interactions frequent, rarely used
Antinauseant classes (8)
Antihistamines
Dopamine blockers
Serotinergic agents
Anticholinertics
Neurokinin inhibitor
Corticosteroids
Somatostatin analogues
Cannabinoid receptor binders
Antihistamine examples
Gravol and Benadryl
Dopamine blocker examples
- Metoclopramide/Domperidone
- haldol
- ‘zine’ drugs, eg. chlorpromazine, promethazine
Serotinergic agent examples
Ondansetron, granisetron (subcut)
Anticholinergic agent examples
Scopolamine patches
Neurokinin inhibitor example and use
Aprepitant (emend) - for chemo associated nausea and vomiting
Corticosteroid example and use
Dexamethasone for chemo associated nausea and vomiting
Somatostatin analogue example and use
Octerotide for chemo associated NV
Cannabinoid receptor binder examples
Dronabinol, nabilone
Antidiarrheal drugs (5)
Loperamide
Opioids
Lomotil
Pepto-bismol
Octerotide
Loperamide use
Antidiarrheal used in chemo protocols
Lomotil drug components
Diphenoxylate - opioid
Atropine - anticholinergic
Pepto-bismol considerations
Contraindicated in ASA allergy
Octerotide use
Antisecretory agent used in patients with high ostomy output refractory to other agents
Laxative/anti-constipation drug classes
Stool softeners
Stimulant laxatives
Osmotic agents
Fibre substances
Opioid antagonists
Stool softener example and consideration
Docusate sodium - takes 72h to take full effect, best hard with plenty of fluids
Stimulant laxative examples
Sennosides
Bisacodyl
Do not co-administer (not synergistic)
Senna + bisacodyl onset of action
Senna: 6-12 hours
Bisacodyl: 6-10
Best given at HS
Osmotic agent examples
Lactulose
Milk of magnesium
PEG
PicoSalax
Fibre supplement examples
Metamucil
Benefibre (more palatable)
Opioid antagonist examples
Methylnaltrexone
Drugs for c. Diff (examples)
Metronidazole
Vancomycin
GIVE PO NOT IV
Drugs for BPH (examples)
Alpha blockers
5-alpha reductase inhibitors
Alpha blocker for BPH examples
Tamulosin (flomax)
Prazosin
Alpha blocker MOA
Relax smooth muscle of bladder neck and prostate
- may facilitate passing kidney stones
Alpha blocker onset
Slow: 3-7 days, max effect in 4 weeks
Alpha blocker sx
Postural hypotension
5-alpha reductase inhibitor examples
Finasteride
5-alpha reductase inhibitor MOA
Hormonally Reduce the size of prostate (only effective if enlarged)
5-alpha reductase inhibitor onset
3-6 months
Which drugs work for urinary retention?
Cholinergic drugs
- bethanechol
Bethanechol sx
Bradycardia, resp secretions, bronchospasm
Drugs for urgency incontinence/overactive bladder (class)
- Anticholinergic agents
- beta 3 agonists
Anticholinergics for incontinence - examples
Tolteradine
Oxybutynin
Dicyclomine
Anticholinergic for incontinence MOA
Relax detrusor muscles and reduce sensation of urgency
Anticholinergic for incontinence sx
- hypotension
- tachycardia
- dry mouth
- constipation
- confusion
Beta 3 agonist examples
Mirabegron
Beta 3 agonist MOA
- activate receptors in the bladder resulting in relaxation of detrusor smooth muscle during urine storage phase = increase bladder capacity
Mirabegron sx
HTN, may impact QT interval