PMCH COPY Flashcards
Age most vulnerable to lead poisoning
< 6 mo
Organisms resistant to chlorine in water?
Cryptosporidium
Giardia
HAV
Entamoeba histolytica
Pneumon-Vaccine for elderly
At 65 Yr => q5yr
Abuse in elderly M:F Perpetrator MC form Least common form
F>M
90% adult children of elderly (alcoholic / abusers)
Neglect
Sexual
Spouse abuse elderly husband indicate?
Hx of violence in relationship
Latex allergy cross-reaction (food)
Latex-fruit syndrome
Avocado
Banana
Kiwi
Chestnut
MC nutritional def worldwide
Fe
95% CI + OR doesn’t > 1?
Significant association
Rx for spinal mets?
No Rx increases survival
Best Rx = dexamethasone for Sx + bone pain
Prognostic signs of spinal mets
Bad + good
Bad = loss of sphincter tone (irreversible)
Good = ambulation
Features of dexamethasone compared to other steroids
- Least mineralocorticoid activity
- Least to associated w/ cognitive Sx
- Least to ass w/ infection
HA1c of 6% = FPG?
HA1c of 7% =
Eqn
6% = 7.0
7% = 8.5%
Eqn => FPG = 1.59 x A1c - 2.59
Chloroquine in preg
C
Given if plan to travel to high risk
RR equation
RR = (A/a+b)/(c/c+d)
What’s relative risk
Prob of event to occur in exposed group vs non exposed
Is HepA vaccine imp for immigrants from developing world
No
It’s prevalent, chances are they’ve had it and immune to it.
Outbreak of Ecoli 0157H7 ass w/
Ground beef
Best way to remove ticks
Manually by blunt forceps
Responsibilities of public health physician
Prevent STD
Prevent dental prob
Infectious disease surveillance
Health promotion activities
Effect of b-carotene supplement
Inc risk of lung cancer
MCC of travelers diarrhea
Enterotoxigenic E.coli
enterotoxigenic Ecoli mechanism of action
Colonization factors
Heat liable enterotoxin
For future, to make effective vaccine against ETEC diarrhea it should contain
Colonization factors CS1-6
LT toxoid
Larva migrans transmission
Contact with soil contaminated with the cat and dog faeces
Rx of dyspnea + terminal illness (Ca)
Opiates esp Morphine
Exercise to burn fat frequency
At least 30 min 5d/wk
Why fat burning fat exercise must > 30 min
Glycogen burning fuels body for 20 min
Fat fuels it after that
Exercise for cardiovascular + fitness
20 min daily
Or
10 daily
T/F: walking (land/water) + biking = exercise for 10-20 min
T
West Neil virus
What is it?
Transmission?
Sx?
Risk population?
- Human neuropathogen
- Mosquito infected from birds
- mostly flu like
Rarely Neuro Sx: encephalitis, meningitis, paralysis - elderly at risk
- Rx supportive
Number needed to Rx
Importance?
Eqn?
Assess benefit of Rx
NNT = 1/ARR
What explains population growth in developing countries
Decreased mortality rates
Hospice care services
Short term hospitalization
Sx Rx of terminal illness
Physical/occupational/speech Rx
Dietary counseling
T/F: curative Rx is covered by hospice care
F
Terminally ill + oral secretions Rx
Gurgling/rattling
Anticholinergic
Scopolamine
Hyoscyamine
Glycopyrrolate
Atropine
MC hospital error ass w/ SE of drug occurs when
Ordering
Early detection of cervical cancer by Pap smear survival
90% survival rate
WHO def of health
State of complete physical mental and social well-being
T/F: transdermal absorption of medication decreases with age
T
2/2 increase ratio of fat to lean body weight
T/F: NSAID’s should be avoided in liver cirrhosis
T
NSAIDs in preg
Safe
Should be avoided in last 6wk to prevent inhibition of PG synthesis
Sympathomimetic SE in elderly
High BP
High ocular pressure
Worsen urinary retention
Interact w/ BB, methyl dopa, TCA, MAOi
Ex of sympathomemtic
Pseudoephrine
Phenylephrine
How to make medical decision for incapable pt
- Follow advanced directive (oral or written)
- No directives = health care proxy
- No proxy = family
- No family or family can’t agree = ethics committee
What elderly does form heat stroke
Living alone Can't care for self CVD or resp disease Mental illness (schizophrenia) \+/- alcohol, Hx of heat stroke
In terminal illness:
Preparatory grief vs depression
Grief =
normal self image
Sx wax + wane
Worry abt separation from family
Depression =
Poor self esteem
Suicidal ideas
Rx of depression in terminally ill patient
Expected to live few weeks: stimulants methylphenidate
Live longer:
SSRIs
Chemical exposure associated with leukemia and aplastic anemia and multiple myeloma
Benzene
Arsenic exposure is associated with
Skin cancer
Best hearing arrange for sounds
400 to 5000 Hz
Frequency range for audible sound
20 to 20,000 Hz
Who should be screened for HCV
- Blood transfusion prior to 1992
- Needle stick with HCV
- Mucosal exposure to HCV
- Children born to HCV+ mom
Prevent cholera?
Boiling drinking water
Chlorinate drinking water
Cook vegetables + fish thoroughly
When to screen for CRC at 40 and q5 Yrs?
1st degree relative w/ CRC or adenomatous polyps at < 60
> 2 of 1st degree relative with CRC or adenomatous polyps at any age
When to screen for CRC at 40 and q5 Yrs?
1st degree relative w/ CRC or adenomatous polyps at < 60
> 2 of 1st degree relative with CRC or adenomatous polyps at any age
F patient FU w/ male doc
Frequent visits
Normal exam + no complaints.
What to suspect?
Reaction?
Inappropriate relationship
Reaction:
Pointing your awareness of inappropriate patient-doctor relationship and willingness to help
When does palliative care start?
When Dx diagnosed, count through cure or death.
T/F: unit of care in palliative Rx comprises pt and his family as defined by surrogate.
T
Who receives palliative care?
Pt of all ages w/ chronic illness or injury that impairs daily functioning or reduce life expectancy
Having ER contraception readily available results in
Shorter time b/w sex + medication use (15 HR sooner)
Rx of travelers diarrhea
ETEC
Rx
Mild = loperamide + diphenoxylate
Safe in kids < 2 yr
Sever =
Adults > cipro
Kids > azithromycin
Who shouldn’t receive intranasal vaccine
- Kids < 2yrs
- Adults > 60
- Egg allergy
- long term ASA
- chronic disease (COPD, asthma, CHF, CKD…) except HTN
- immune suppression
- preggos
Who should be screened for HCV?
IV drug users
What’s attack rate
ppl sick / ppl
Attack rate = kids w/ Dz / all kids
T/F: negative HBsAg + high LFT = r/o sclerosis of liver
T
MC resp Dz from occupational exposure
Asthma
Exposure to gas
T/F: early detection of ovarian cancer by CA-125 doesn’t improve mortality
T
Only DM decreases cardiovascular risks
Metformin
What led improvement in life expectancy of Canadians?
Lower infants death rates
By:
Vaccinations
Surgical Rx of congenital heart disease
Hyperplastic polyps on colonoscopy mean?
Hyperplastic polyps
Normal
Repeat at 10 yrs
1-2 small adenomas
Low risk
FU 5-10yrs
> 3 adenomas or big adenomas (>1cm$
Remove
Rep 3 yr
Sessile adenomas
Remove
Rep 2-6 mo
To qualify for federal contributions, insurance plan must guarantee?
- Province to province coverage
- Universal coverage
- Nonprofit basis
- Benefits all necessary hospital care + physician service.
What are not required for federal assures insurance plan
Out of hospital drugs
Dental care
Prosthesis
What’s varenicline?
Major SE?
Smoking-cessation drug
Suicide
Why Rx pertussis w/ azithromycin
Decrease infectivity + severity of Sx.
Doesn’t change course of illness
What’s direct observational Rx
Provide medication directly to patient and watch them swallow
The benefit of direct observational therapy
As your highest treatment completion rate
A freshman heading to college should receive what vaccine
Meningococcal glad to stay in the dome
3 situations in which that things are contraindicated
- Live vaccine for a pregnant
- Anaphylaxis to a component
- Immune suppression
NNT
2 eqn
NNT= 1/ARR
ARR = (c/c+b) - (a/a+b) ARR = control event rate - experiment event rate.
Vaccine recommended for homosexuals
Hepatitis a vaccine
Who is responsible for our local sanitation, water and food safety, monitoring reportable disease, local environmental risk assessment
Public health unit
What is the job of the federal government
Regulate toxic substance
regulate food product
set policies for pollutant
Provincial government
Maintaining water and Eire quality standards
regulated and industrial
emission and toxic waste disposal
Characteristic of occupational hearing loss
Hearing Loss at the high frequency
Who should be screen for lung cancer and when
- Adults
Smoked 30 pack-year
Currently smokers
Exsmoker < 15 yrs - Start at 55-75 then yearly for 3 yrs
- Low dose CT
T/F: most women with breast cancer had no identifiable rest factors
T
The woman has a 1st° relative with the breast cancer what’s her Risk of developing the disease
There is 3 to 4 fold increased risk
What do you do with a patient requires oxygen on the planes
Arranged through home airline for oxygen to be available on board + airport 24-48 hr prior to flight
Can you patient who requires continuous oxygen to bring their own supply to the airport/flight
No
T/F: people with PaO2 <68-70 shouldn’t go on plane unless on plane oxygen is arranged
T
Daily use of ASA recommend for what age group (M + F)
M: 45-79
F: 55-79
When is breach of confidentiality justified (3)
- Abuse of vulnerable person child or elder
- Public health risk like in communicable disease
- Danger to patient or others
Eqn of kappa (chance-corrected agreement)
Kappa = (observed agreement - chance agreement) / (1-chance agreement).
Viruses transmitted fecorally
Norwalk virus
Hepatitis a + e
Poliovirus
Perinatal mortality
Write up a stillbirth and early neonatal deaths
Decreased perinatal mortality rates indicates
Improve the quality of health care during pregnancy and delivery
Is asbestos removal mandated by the Environmental Protection Agency
No
Are asthmatics at increased risk of cancer from asbestos exposure
No
MCC of a cute aseptic meningitis
Echovirus
Coxsackievirus
In case of airborne bioterrorism use respirator maybe harmful in what conditions
COPD
Asthma
CAS
Anxiety disorders
A doctor convicted of narcotic abuse and completed drug Rehabilitation program
Who decides if he can go back to work
provincial medical board
Anaesthesiologist convicted of narcotic abuse can he ever go back to work
Not this speciality
I different to speciality that is not anaesthesiology
What each of the following herbs ass w/
Ginkgo
Kava
Yohimbine
Ginkgo = intracerebral bleed in pt w/ anticoagulant
Kava = GI side effects + rash
Yohimbine = HTN
What animals get you salmonella
Iguana
Can physicians be compensated for attending a CME activity
No it’s against the law
Can monosodium glutamate cause cancer
Nope
Its of Flavor enhancer
Can fat cause cancer
Yes CRC
Can alcohol cause cancer
Pancreatic cancer
How to use the walking cane
Place the cane in the hand opposite to the most affected leg
Movement of the cane tracks the movement of the affected leg
Exposure to pesticides causes?
Organophosphate toxicity
Path of organophosphate
Rx
Inhibit AChase
Few hours = pralidoxime + atropine
Alcohol rub vs hand soap
Alcohol rub is better
- microbiologically more effective
- less irritating
- less time
When is hand soap a preferred over alcohol rub
Of the hands are visibly soiled or exposed to spore forming organism
After use of bathroom
Which woman should be screened for ovarian cancer
No woman
Best screening test for hemochromatosis
Transferrin
Why should smokers use nicotine patches
Double chances of quitting
How long should the smokers use nicotine patch to give result
8 wks
T/F: tapering nicotine patch is better than abrupt D/C
F
Same
MCC of blindness in > 65
Macular degeneration
Should I help you I want to be screened for hepatitis C
No need
Who should be screened for hepatitis C
Persistent abnormal ALT
When to Rx influenza even if it’s > 48 hrs?
Patient is deteriorating
Rx oseltamivir or zanamivir
Contraindication to zanamivir
COPD
Asthma
Resp distress
High INR + on warfarin
• 5-9 + no bleeding
Hold warfarin for 48 hrs
• 5-9 + risk of bleeding
Vit K
• 5-9 + bleeding
Vit K
FFP
MCC of retinal detachment
Posterior detachment of vitreous
Most fatal cancer in Canada
Lung
Coagulation profile in vW
High PTT
High BT
What’s otosclerosis
Normal eardrum + conductive hearing loss
Ms affected in otosclerosis
Stapes
Rx of rotator cuff tear
RICE or physio
RICE
What does low appetite in seasonal affective mean
Endocrine path
Recurrent pain + swelling of salivary gland
Sialolithiasis
Dextromethorphan + SSRI
It’s a cold drug
Cause serotonin syndrome
How much vitamin D a post menopausal woman need
800
pregnant gets parvovirus b19 happens to her baby
Hydrops
Antabiotics for dog bite
Amoxicillin-clave
Ginseng
Herb
Should be stopped 7 days pre-op
Causes Hypoglycaemia and interferes with anticoagulant
Fiscal policy
Additional taxes on unhealthy behaviors
Tetrad of Menier’s
Vertigo
Hearing loss
Tinnitus
Aural fullness
Risks for claudication
DM
Smoking
HTN
Dyslipidemia
T/F: raloxifene helps menopause Sx
F
Someone tests + for HBsAg + HBcAg
Repeat test in 8 weeks to see if it progresses to chronic.
Stop all things hurt liver (alcohol)
T/F: PPV influenced by prevalence
T
High prevalence = high PPV
WPW arrhythmia
ECG
Rx
Delta wave
Wide QRS
Short PR
Its SVT
Procainamide or amiodrone
Sync cardioversion
Ablation
No BB, CCB, adenosine!
1st heart block
ECG
Rx
Prolonged PR
No Rx
2nd heart block
ECG
Rx
Mobitz 1:
Progressive increase in PR until drop
No Rx stop drug causing it.
Mobitz 2: Fixed drop (no progressive prolongation)
Pacemaker
3rd heart block
No relation b/w p + QRS
Pacemaker
Afib
A flutter
ECG
Rx
AFib
Irregular irregular
No P wave
Unstable = sync cardio version Stable = BB or CCB Chronic: Add anticoagulant CHADS2 0-1 = ASA > 2 = no renal = dabigtran Or warfarin if renal or prosthetic valve INR 2-3
Flutter:
Saw tooth
< 48 HR => drug version: procainamide, amiodrone
Or electrical version
> 48 HR => warfarin then 3-4 wk electrical cardio version.
TEecho to r/o thrombi 1st
Cont warfarin for 4wks
Anticoagulant
Rate (BB, CCB, digoxin)
SVT
ECG
Rx
Narrow QRS
1st
Valsalva
Massage
2nd
Rate (BB, CCB, adenosine)
Electrical cardioversion
T/F: Nicotine replacement is safe in stable angina
Yes
Ethnic group at risk of prostate ca
Black
How long after Sx of sore throat can u start Abx to prevent rheumatic fever
9 day