General Medicine Flashcards
Oral exam station snowflake mnemonic
S - Safety (ie. no driving)
N - Next visit/FU
O - Offer (I will be your GP, I will get your old records, I will perform a physical)
P - Prevention
Q - Quit (ie. smoking)
R - Refer (I would refer to ___ if it’s not improving)
S - Start (ie. meds, physio, etc.)
T - Teaching (ie. pamphlets, info sheets, etc)
Epi dose for anaphylaxis
Adults: 0.5mg IM into lateral thigh (0.5mL of 1:1000)
Peds: 0.01mg/kg of 1:1000 (1mg/mL) to max of 0.3-0.5mg IM
Glucocorticoid side effects, chronic use
Fragile skin Easy bruising Weight gain HTN Osteoporosis Myopathy GI perforation Increased risk of infections (ie. oral thrush or pneumocystis jiroveci PNA)
Classic ages for croup
6mo-3y
Croup common viruses
Parainfluenza virus types 1** (most common) and 3 Rhinovirus RSV Influenza Adenovirus
Croup ddx
Epiglottitis
Anaphylaxis
Foreign body aspiration or ingestion
Retropharyngeal/peritonsillar abscess
Croup dx
Clinical
Don’t routinely do XR but if you do, neck XR should show narrowing in subglottilc region (steeple sign)
Croup tx
Gold standard - dex 0.6mg/kg PO as single dose (works within 2-3h and persists for 24-48h)
Severe: Dex + neb 2.25% racemic epinephrine +/- neb budesonide (may opt deg once)
Adjuncts - cool air, popsicles, humidifier, sitting in bathroom with steam
Observe for ~4h to see improvement before d/c
Typical croup course
Symptoms typically last 3d (peak at 24-48h) but may persist for up to 1wk
Symptoms often worse at night
FLUCTUATING course
If >1wk, return for reassessment
Beware of secondary bacterial infection - pt gets better but then suddenly gets worse
Ear exam acronym
COMPT
- Colour (Gray, white, red, yellow)
- Other (bubbles, air/fluid interface, scarring, perforation)
- Mobility (absent, reduced, normal, hyper mobile)
- Position (Normal, retracted, bulging)
- Translucency (opaque, translucent)
Primary otalgia ddx
OM OE Trauma Foreign body Impacted cerumen Eustachian tube dysfunction Perichondritis Barotrauma
Secondary otalgia ddx
Odontogenic causes TMJ disorders Upper cervical spinal dysfunction Parotitis Lymphadenitis Pharyngeal disorders Tonsillitis
Primary otalgia not to miss ddx
Neoplasms Skull-base osteomyelitis Herpes zoster Acute mastoiditis Cholesteatoma
Secondary otalgia not to miss ddx
Trigeminal neuralgia
Glossopharyngeal neuralgia
Head and neck malignancies
Temporal arteritis
Common bacterial causes for Otitis media (4)
Strep pneumo
H-influenza
Moraxella catarrhalis
Streptoccocus pyogenes
Common viral causes for OM (3)
RSV
Influenza
Rhinovirus
When to use abx for OM
All children 6mo-2y with BILATERAL AOM
Toxic appearing child
Persistent ear pain for 48h
Fever >39C within past 48h
If not giving abx for OM, f/u plan
Consider if mild ear pain, temp <39C in past 48h
F/U in 48h
OM treatment (incl duration)
High dose amox (75-90mg/kg/d split into 2 or 3 doses)
- x10d if 6mo-2yr or recurrent OMs
- x5d if >/=2yr
Adults: amox/clav 875/125 BID
If tympanovstomy tubes - ciprodex 4 drops BID x 7d
Symptoms should resolve within 48h
Re-evaluate at 10d if symptoms not resolved
Recurrent acute otitis media
> /= 3 distinct and well-documented episodes of AOM within 6mo or >/= 4 episodes within 12mo
- Refer to ENT, hearing test
- May require prophylactic abx, tympanostomy tubes, adenoidectomy or adenotonsillectomy
Ped UTI oral abx tx
NOTE: If <2mo, Amp + Gent IV x 10d Keflex (good E.Coli coverage and other gram neg rods) Septra Macrobid (only for cystitis) Amox-clav (not first choice)
Ped UTI IV abx tx
CTX
Cipro (if >1yo)
Amp + Gent
Anaphylaxis
Need any ONE of the following
- Acute onset (min-hrs) involving skin/mucosa and at least 1 of respiratory compromise and/or drop in blood pressure
- 2 or more organ systems – skin/mucosa, respiratory, CVS, or GI rapidly after exposure
- Drop in BP after exposure to a known allergen
- Infants and children: Low systolic BP (Age specific) or >30% drop in systolic BP
* <70mmHg for 1mo to 1 year
* <70mmHg + (2 x age) for 1-10yo
- Adults: Systolic BP <90mmHg or 30% drop from baseline
Which peds patients should get kidney/bladder U/S following UTI/pyelo?
- Children < 2y.o. with first febrile UTI
- Children of any age with recurrent febrile UTIs
- Children of any age with UTI who have fam hxof renal or urologic disease, poor growth, hypertension
- Children who do not respond as expected to appropriate antimicrobial therapy
Which peds patients should get a renal technetium scan following UTI/pyelo?
4-6mo after acute infection for children with atypical or recurrent UTIs
Generally not required if responded well to tx
Which peds patients should get voiding cystourethrogram following UTI/pyelo?
- Children of any age with ≥ 2 febrile UTIs OR
- Children of any age with first febrile UTI AND abnormality on renal U/S OR
- Fever ≥ 39C and pathogen other than E. coli OR
- Poor growth or hypertension
Peds PNA tx
Amox 40-90mg/kg/d divided TID
Ampicillin IV
CTX IV
HEADSS
Home Education/employment Activity Drugs/diet Safety Sexuality/suicide
Asthma dx in patients <6yo
- Hx (Recurrent wheezing, cough, difficulty breathing, chest tightness)
- P/E (Confirming airway obstruction/wheeze that improves with SABA)
- AND absence of alternative explanation
Asthma therapeutic trial
Daily moderate dose of ICS and SABA PRN
Trial 8-12wks
Discuss with fam in advance expected clinical improvements
Symptom diary
Asthma dx in patients 6-18yo
- Compatible clinical hx (recurrent wheezing, cough, difficulty breathing and chest tightness)
- Documented evidence of reversible obstruction or bronchial hyperactivity with LFT
- If LFT is not available, a p/e finding of wheezing or signs of increased WOB that DEFINITIVELY Improves with SABA can be used as surrogate marker of reversible airway obstruction
If spirometry is normal but asthma dx still suspected…
Methacholine challenge or exercise challenge (typically require respirologist referral)
Asthma symptom control checklist
In the past 4 wks has the patient had: -daytime asthma symptoms >2x/wk -any night symptoms due to asthma -reliever needed for symptoms >2x/wk -any activity limitation due to asthma -FEV1 or peak flow <80% of personal best? If 0 pts = well controlled asthma If 1-2 pts = partly controlled asthma If >/= 3 pts = uncontrolled asthma
Asthma general tx plan
- SABA reliever
- Low-dose ICS + SABA reliever
- Med/high dose ICS + SABA inhaler OR Low dose ICS/LABA combo (ie. Symbicort)
Symbicort
Budesonide/Formoterol (ICS/LABA)
Advair
Fluticasone/Salmeterol (ICS/LABA)
Diskus or MDI
Zenhale
Mometasone/formoterol (ICS/LABA)
Breo Ellipta
Fluticasone/vilanterol
Pulmicort
Budesonide
Alvesco
Ciclesonide (ICS)
Flovent
Fluticasone
Drugs which can trigger or exacerbate asthma
Beta blockers
Aspirin and NSAID drugs
ACEi
Typical age for bronchiolitis
<2yo
Most common cause of bronchiolitis
RSV
2 recommended tx for bronchiolitis
Oxygen (to keep sat >90%, typically via nasal cannula or blow-by) and hydration (Promote PO, NG or IV if needed)
Eating d/o SCOFF questions
Do you make yourself Sick b/c you feel uncomfortably full?
Do you worry you have lost Control over how much you eat?
Have you recently lost more than One stone (14lbs) in 3mo?
Do you believe you’re Fat when others say you’re thin?
Would you say that Food dominates your life?
Wellbutrin and eating disorder
C/I due to increase in sz risk
Potential complications from eating disorder
Amenorrhea
Cardiac dysfunction secondary to myocardial wasting (bradycardia, prolonged QTc, ST elevation, arrhythmias, pericardial effusion, orthostatic BP changes, poor peripheral circulation)
Osteopenia/osteoporosis
Sick euthyroid syndrome (TSH normal but decreased T4 –> T3 conversion = hypothyroid symptoms)
Abnormal liver enzymes
Electrolyte disturbances (hypoglycaemia, hypophosphatemia, hypokalemia)
Pharmacotherapy for eating disorder
SSRI - Fluoxetine
Esp helpful for binging
Screen time recommendations for peds
<2yo: not recommended
2-5yo: <1h/d
Avoiding screens at least 1h before bedtime
Typical 1st line pharmacotx for ADHD
Methylphenidate/Ritalin
Concerta (Methylphenidate XR)
2nd line tx for ADHD
Dextroamphetamine (ie. dexedrine, Vyvanse)
Dextroamphetamine and amphetamine salt combos (ie. adderrall)
F/U of pt on stimulant medication
q3mo, P/E annually
Height, weight, BP, pulse
Questionnaire for ADHD
SNAP IV - usually get parent and teacher to complete
Ddx for ADHD to explore
Hearing impairment Developmental delay Learning disorder Mood disorder Conduct disorder Other psych issues Psychosocial - fam stress, relationship issues, abuse, parental expectations
C/I to ADHD meds
Tx with MAOI Symptomatic CV dz Glaucoma Advanced arteriosclerosis Untreated hyperthyroidism Known hypersensitivity or allergy to the products Mod-Severe HTN
ADHD dx
Inattention and/or hyperactivity-impulsivity that interferes with functioning/development
Present PRIOR to age 12
present in 2 or more settings (ie. school, home, work, friends/fam)
Persist >/= 6mo
Common comorbid dx with ADHD
Oppositional defiant disorder (up to 50%) Conduct d/o Anxiety Depression Learning disabilities
P/E for ADHD
Dysmorphic features (ie. FAS) Growth rate BP Cardiac exam (if meds to be considered) Other potential causes for behaviour - vision loss, hearing loss, enlarged tonsils/OSA
Anxiety dx
AND I C REST Anxious, nervous or worried No control over worry Duration >6mo of 3 or more of: Irritability Concentration impairment Restlessness Energy decreased Sleep impairment Muscle tension
Anxiety diagnoses
GAD Panic d/o Social phobia Specific phobia Social anxiety Agoraphobia PTSD OCD
SSRI S/E
- Sexual dysfunction
- Drowsiness
- Dizziness
- Headache
- Dry mouth
- Blurred vision
- Rash/itching
- GI abnormalities (nausea and diarrhea)
- Insomnia
- Withdrawal on discontinuation
- Weight gain
- ALWAYS DISCUSS RISK OF INCREASED SUICIDALITY AT START OF MEDICATION (increase energy before improving mood)
- Ultimate risk factor for suicidality is untreated depression/anxiety!
- TAKES ABOUT 6 WKS TO TAKE EFFECT
SSRI you have to worry about high doses with QTc
Citalopram/escitalopram
Anxiety medical ddx
Hyperthyroid
Pheochromocytoma
R/O causes for panic attack symptoms (ie. PE, MI)
SUBSTANCE ABUSE
MSE acronym
ASEPTIC Appearance and behaviour Speech Emotion (Mood/affect) Perception Thought content and process Insight and judgement Cognition
Anxiety workup to exclude medical cause
CBC
Fasting glucose
TSH
Urine toxicology
Anxiety pharmacotherapy
1st line : SSRI, SNRI
2nd line: TCA, benzo
Depression ddx
Disruptive mood dysregulation disorder
MDD
Persistent depressive d/o (Dysthymia)
Premenstrual dysphoric disorder
Substance/medication-induced depressive disorder
Depressive d/o due to another medical condition (ie. hypothyroid, hypoadrogenism)
Depression diagnostic criteria
SIGECAPS Sleep changes Interest loss Guilt (worthless) Energy (lack) Cognition/concentration Appetite (wt loss) Psychomotor (agitation or lethargic) Suicide/death preoccupation
MDD pharmacotherapy
1st line: SSRIs, SNRIs
2nd line: TCAs, MAOs
Seroquel
Quetiapine
Atypical antipsychotic
Canadian low risk drinking guidelines
Women: 10 drinks per wk, no more than 2 drinks/d
Men: 15 drinks per wk, no more than 3 drinks/d
Plan non-drinking days every week to minimize tolerance and habit formation
Special occasions: No more than 3 drinks (for women) and 4 drinks (for men) on a single occasion
Alcohol use in youth
<19 not recommended
Never more than 1-2 drinks at a time, never more than 1-2x per week
Standard drink
12oz beer
12 oz cooler/cider
5oz wine
1.5oz distilled alcohol
CAGE questionnaire for alcohol use
Have you ever felt you need to CUT down on your drinking?
Do you feel ANNOYED by others complaining about your drinking?
Do you ever feel GUILTY about your drinking?
Do you ever drink an EYE OPENER in the morning to relieve the shakes?
Men - two yes responses is +ve
Women - one yes response is +ve
CRAFFT questionnaire for teens
Have you ever ridden in a CAR driven by someone/including yourself who was high or had been using EtOH or drugs?
Do you ever use EtOH or drugs to RELAX, feel better about yourself or fit in?
Do you ever use EtOH or drugs while you are by yourself ALONE?
Do you ever FORGET things you did while using alcohol or drugs?
Do your family or FRIENDS ever tell you that you should cut down on your drinking or drug use?
Have you ever gotten into TROUBLE while you were using alcohol or drugs?
Signs/symptoms suggesting alcohol use
MCV > 96 Elevated GGT, AST, ALT (esp AST:ALT > 2:1) GERD, HTN, diabetes, pancreatitis Chronic non-cancer pain Alcohol on breath
3 categories for recovery goals
- Substance use and tx (ie. reduce use to x days/wk, listen to recovery podcast, 12-step meetings xtimes/wk, etc.)
- Exercise or wellness goal
- Creative/spirtual/community/relationship goals (ie. reconnect with old friend, call mom once a week, go to church)
Benzo contraindications
Severe respiratory insufficiency Hepatic dz Sleep apnea Myasthenia gravis Narrow angle glaucoma
Neuropathic pain tx options
Gabapentin
Pregabalin
TCAs
SNRIs
Acute alcohol withdrawal tx options
Benzos (CIWA protocol)
Anticonvulsants - gabapentin, carbamazepine, valproic acid
Delirium tremens signs/symptoms
Presents 48-72h after last drink, can last btwn 1-5d
Severe confusion, disorientation
Hallucinations
Severe autonomic hyperactivity - ie. tachycardia, HTN, hyperthermia, agitation and sweating
NOTE DIFFERENCE BTWN DT AND ALCOHOLIC HALLUCINOSIS
Alcohol use disorder recovery tx
1st line: Naltrexone, acamprosate
2nd line: Topiramate, gabapentin
Not recommended, refractory cases only: Disulfiram
Naltrexone prescribing notes
Wait 7d after last opioid use for opioid-dependent patients
Mu-opioid receptor antagonist (will precipitate opioid withdrawal)
Delirium tremens risk factors
- Hx of sustained drinking
- Hx of EtOH withdrawal sz
- Hx of DT
- Age >30
- Presence of concurrent illness
- Presence of significant EtOH withdrawal in presence of elevated blood alcohol concentration
- Longer period since last drink
Nicotine patch prescribing
Start 1-4wks before quit date
Peak level 6-12h after
Apply new patch each morning
If >/=10 cigs/d:
21mg/d for 6wks
14mg/d for 2wks
7mg/d for 2 wks
if <10cigs/d or <45kg
14mg/d for 6wks
7mg/d for 2 wks
Common S/E from nicotine patch
Skin reaction
Sleep disturbance
Other possible symptoms - heart palpitations, chest pains, N/V, GI complaints, mouth and throat pain, mouth ulcers, hiccups and coughing with oral forms of NRT
NRT treatment regimen
Often start with one form of NRT (ie. patch), then choose one short-acting NRT for breakthrough cravings as needed (ie. gum, lozenge, mouth spray or inhaler)
Smoking cessation pharmacotherapy options
- Varenicline/champix
Varenicline MOA
Partial agonist and antagonist at alpha and beta receptors
Partial agonist function –> release of dopamine –> reduces withdrawal and cravings
Partial antagonist function –> reduces reinforcing effect of nicotine b/c no longer able to bind
Varenicline S/E
Irritability, restlessness, insomnia, constipation, other GI problems, abnormal dreams, nausea**
Varenicline dosing info
Patients choose a quit date
Start Varenicline tx 1-2wks BEFORE this date then completely stop
Can be done with NRTs
Major C/I with Wellbutrin
Decreases sz threshold
C/I in pts with hx of seizure d/o
Infertility workup
Day 3 LH, FSH, estradiol \+/- AMH Prolactin TSH Pelvic U/S Semen analysis =/- mid-luteal phase serum progesterone (1wk before expected menses)
Monthly pregnancy %
20: 30-40%
25: 25-35%
30: 20-30%
40: 5-7%
45: 1-2%
Ddx for female infertility
PCOS Infrequent/absent ovulation Endometriosis Uterine fibroids Cervical factors Pelvic adhesions Tubal blockage HyperPRL Inherited thrombophilia Immune factors Genetic causes Thyroid dz
Assisted reproductive technologies
Intrauterine insemination (IUI) IVF
2 main agonist therapies for opioid use disorder
Suboxone (buprenorphine/naloxone)
Methadone
Methadone MOA
Full opioids agonist
Suboxone MOA
Partial opioid agonist
High affinity to mu receptor (quickly alleviates withdrawal) but has LOW intrinsic activity (less euphoria, sedation, nausea, constipation, hypotension, resp depression)
Naloxone MOA
Opioid antagonist
ONLY bioavailable if injected
Suboxone initiation
Aim for COWS >12 (need to be in slight withdrawal)
Low initial dose (i.e one to two 2mg/0.5mg SL tabs)
Monitor for 2h –> if withdrawal symptoms remain, give additional 2-4mg (max 12mg/3mg on day 1)
Next day, give single dose of total dose received on day 1
Increase in 4mg increments up to max of 16mg total
Most stabilize on 16-25mg/d
Common classes of meds that methadone interacts with
Antiretrovirals
Anti-fungals
Rifampin
Methadone and ECG changes
Prolongs QTc interval
Consider getting ECG esp when on high doses
Opioid use disorder b/w
CBC Liver function panel HIV, hepatitis A, B and C Syphilis serology TB testing when appropriate Pregnancy test ECG if indicates (ie. when escalating dose, fam hx of sudden cardiac death)
Methadone initiation
Start at 20-30mg on first day
Titrate up in 5-10mg increments q3-5d over several weeks
Stable dose 60-120mg/d
Common false +ve on urine drug testing
Amphetamine
Common false -ve on urine drug testing
Clonazepam, lorazepam
Red flags for breast CA
- Breast lumps
- Nipple discharge
- Unusual nipple or areolar skin changes (ie. crusting, scaling, dimpling)
- Nipple inversion
SNOOP mnemonic for dangerous secondary headaches
Systemic symptoms: fever, weight loss, night sweats
Secondary risk factors: HIV, cancer, immune compromise
Neurologic symptoms or signs: anything focal? Papilledema? Confusion?
Onset: sudden, maximal at onset
Older >50
Pattern change: first, worst or different
Provocative factors - positional, cough/sex/exertion, pregnancy
Features (signs and symptoms) of headache that make it more worrisome
Age of onset >50 Sudden onset Positional nature of headache Hx trauma New onset HIV Hx of any cancer Systemic illness Focal symptoms or signs Fever Neck stiffness Papilledema
Headache ddx
Migraine w/ or w/out aura Tension headache Cluster headache Temporal arteritis Idiopathic intracranial HTN SAH Bacterial meningitis Medication overuse headache
Lifestyle management for headaches
Regular meals Sleep Stress reduction - Meditation, activity pacing Reduce caffeine Exercise Headache diary
Pharmacologic management for headaches
Simple analgesia - Acetaminophen 1000mg, ibuprofen 400mg or Naproxen 500mg, Cambia 50mg packet
Triptans (migraine specific) - ie. Sumatriptan, zolmitriptan
Major triptan s/e
Chest tightness/discomfort
Headache prophylaxis: when to do it
Headache >3d/month, no response to acute rx
Headache >8d/mo, due to risk of medication overuse
Disability despite acute meds
Headache prophylaxis
Tricyclics (ie. amitriptyline) BB (ie. propranolol) CCB (ie. verapamil) Anticovulsants (ie. valproate, topiramax) - for severe chronic migraines Botox
Headache supplements
Riboflavin (standard adult dose 400mg daily)
Coenzyme q10
Magnesium