Essentials Flashcards
What are key features of public health services?
Population focused
Prevention focused
What is an acronym to remember parts of the periodic health exam questions for adolescents?
HEEADS
Home
Education
Employment
Activities
Drugs
Suicide
Sex
What health advice should you recommend for age 0-3?
Immunization, back to sleep, home safety, smoke free environment, dental health
What health advice should you recommend for age 3-12?
Home safety, nutrition, dental health, immunization
What health advice should you recommend for age 13-24?
Condoms, contraception, avoid risky behavior, seat belts, body image, dental health, immunization
What health advice should you recommend for age 24-44?
Folic acid if planning pregnancy, smoking cessation, dental health, immunization
What health advice should you recommend for age 45-64?
Smoking cessation, dental health, Ca and Vit D for post menopausal women, physical activity, heart healthy diet, immunization
What health advice should you recommend for age > 65?
Smoking cessation, dental health, Ca and Vit D for postmenopausal women, physical activity, heart healthy diet, immunizations
What genetic cause for people with disabilities should always be considered?
Down’s Syndrome
What modifications can be made to help individuals with disabilities?
Modified environment, changes to work conditions, adaption to geographic location
What are common diagnoses of elderly populations?
Falls, arthritis, heart/resp disease, dementia, abuse, incontinence, malignancy, visual or hearing loss, depression, malnourished, diabetes
What is the crude death rate?
Number of deaths over the number of people in that population
What is the case fatality rate?
Number of deaths in a certain period over the number of people who were sick with the thing in that time period
What is PYLL and how is it calculated?
Potential years of life lost
Life expectancy minus how old they were when they died
Life expectancy for women is 82 years. If I die at age 40 my PYLL is 42.
Is a screening test a diagnostic test?
NO
How is infant mortality rate calculated?
Number of deaths of children less than 1 yo in a certain period and population divided by the number of LIVE births in that same period/population
What trial type provides the best evidence?
Randomized control trials when there is true randomization
What is important to consider when you are advising a patient about a treatment?
Efficacy, efficiency, and likelihood for compliance
What elements are important to consider about a patient’s social history?
Employment income, social status, education, culture, religion, health services, support network, family violence
What are some key strategies for primary prevention of diseases?
Education, social marketing, public health policy, community organizations
Can prevent family violence, outbreaks, chronic medical conditions, accidents
What are 3 key strategies for secondary prevention of disease?
Education, social marketing, public health policy
Can prevent conditions for which effective screening tests are available
Secondary means very early stages of the disease
What occupations are most at risk for exposure to inhalants and what conditions might they be more at risk for?
Chemists, farmers, firemen, construction, welder, medical lab, scientist
Asbestosis, mesothelioma, interstital fibrosis, asthma, lung cancer
What are these occupations more at risk for: manufacturing, x-ray tech, chemist
Contact dermatitis
What are these occupations at a higher risk for: construction, DJ, bartender
Higher rate of tinnitus and hearing loss
Do you need consent to release info to a patient’s employer or WCB?
YES
Do you need consent to release info to a patient’s employer or WCB?
YES
What kind of environmental exposures should be considered in a patient with headaches?
Sick building syndrome, CO2, SO2, perfumes, paint, varnish
What kind of environmental exposures should be considered in a patient with dermatitis?
Chemicals (Laundry detergent, cleaning agents), radiation, metals (nickle)
Define outbreak
A sudden increase in the number of cases of a disease above what is normally expected in a defined community, geographical area or season
What are the steps involved in outbreak investigation?
Plan of action
Identification
Isolation and verification
Epidemiological and lab analysis
Control and prevention
Evaluation and reporting
What is the role of lab testing in outbreak management?
Lab testing plays an important role in confirming the etiology of an outbreak and in tracking the spread of disease
What is the purpose of conducting a case control study during an outbreak investigation?
A case control study is used to identify the risk factors associated with disease and to develop hypotheses about the cause of an outbreak
RISK & CAUSE
What is the difference between a point source outbreak and continuous common source outbreak?
A point source outbreak is caused by a single, identifiable event while a continous common source outbreak is caused by exposure to a continuous source of contamination
What is the role of surveillance in outbreak management?
Surveillance is an ongoing systematic collection, analysis and interpretation of health related data needed for the planning, implementation and evaluation of health practices.
You are looking for data to help you decide on the treatment and management plan.
What is the purpose in conducting a retrospective cohort study during an outbreak investigation?
A retrospective cohort study is used to assess the risk of disease among exposed individuals and to determine if the exposure is a risk for the disease
What is the role of risk communication in outbreak management?
Risk communication is the exchange of information and opinions among individuals, groups and institutions involved in an outbreak and is critical for ensuring public trust and confidence in the health system
When would you use contact precautions and are they?
These precautions are implemented when the mode of transmission is through direct or indirect contact with the infected person or contaminated objects
Contact precautions include wearing gloves and gowns, and avoiding close contact with the infected person
When would you use droplet precautions and what are they?
These are implemented when the mode of transmission is through droplets produced by coughing, talking or sneezing
This includes wearing a mask, maintaining distance of at least 2 meters from the infected person
What are airbourne precautions and when are they used?
They are implemented when the mode of transmission is through the airbourne route such as inhalation of droplets
Include wearing a mask and using negative pressure rooms or isolation measures
Immunization for which diseases plays a major role in outbreak prevention?
Measles, mumps, diphtheria, meningitis, influenza, varicella, rabies
What are the major environmental health risks populations in Canada are affected by?
The major environmental health risks facing populations in Canada include exposure to air pollution, contaminated water sources, toxic substances, and climate change. Other risks include exposure to radiation, lead, and other hazardous chemicals.
What is psychosis?
It is an interruption from reality that may affect thought process, content, behaviors or perceptions
It is a SYMPTOM and not a diagnosis
Age of onset of schizophrenia
Late teens to mid 30s
M>F
What early signs in adolescents are suspicious for schizophrenia later in life?
Withdrawal, irritability, antagonistic thoughts, functional decline, suspiciousness, perceptual distortions
What neurotrasmitter is thought to be responsible for the high use of tobacco products among patients with schizophrenia?
Acetylcholine
What are the anatomical findings in schizophrenia?
Enlarged ventricles
Reduced frontal lobe activity
MRI shows functional circuit disruption rather than localized dysfunction
What are an essential pieces of information gathered from the psychiatric history in multiepisode patients?
What medications have been tried
Which medications worked
What were their side effects
What doses have been tried and for how long
When starting a new antipsychotic what baseline and health monitoring tests should be performed?
Endocrine and sexual function at baseline repeated monthly for 3 months
What are baseline investigations for schizophrenia?
CBC, electrolytes, renal function tests, tox screen, LFT, TFT, fasting plasma glucose, lipids, syphilis, HIV
CT or MRI for structural brain abnormalities, ECG, clinical screening for chromosomal disorders
Patient with psychosis and TWO of either delusions, hallucinations, disorganized speech, or disorganized behavior for at least 1 mo and with impairment lasting at least 6 mo or more
Schizophrenia
Patient with psychosis and TWO of either delusions, hallucinations, disorganized speech, or disorganized behavior for at least 1 mo and with impairment lasting < 1 month
Brief psychotic disorder
Patient with psychosis and TWO of either delusions, hallucinations, disorganized speech, or disorganized behavior for at least 1 mo and with impairment lasting 1-6 months
Schizophreniform
What is first line for schizophrenia treatment?
Atypical antipsychotics
Less change of EPS/TD
What is the treatment for schizophrenia after 6-8 weeks of failed trials on at least 2 different antipsychotics?
Clozapine
Causes agranulocytosis, seizures, myocarditis
What are chlorpromazine and thioridazine contraindicated in?
Pre existing movement disorders or TD
Which atypical antipsychotic prolongs the QT interval?
Quetiapine & ziprasidone
Needs regular ECG monitoring
Which antipsychotics are good in patients with preexisting movement disorders?
Quetiapine or clozapine
Both atypicals
What is the purpose of psychotherapy in schizophrenia?
Psychotherapy can help with managing the symptoms and improving social and occupational functioning
What is mania?
Mania is a period of sustained elevated mood that leads to disturbed behavior and function
Median age of onset for bipolar disorder
25
Most important questions to ask a manic patient that will not tolerate a full interview?
Cover questions looking for diagnostic proof and those regarding safety (suicide, homicide, caretaker of children)
What is a manic episode? What are the DSM criteria?
Abnormally and persistently elevated, expansive or irritable mood and increased goal directed activity/energy for at least 1 week
- At least three of the following or four if the only mood is irritable:
Grandiosity
Sleep deprived
Talkative
Pleasure in activity with painful consequence
Pressured speech
Activity increased
Ideas (flight)
Distractible - Mood distrubance is enough to cause problems with work/home life or requires hospitalization or there are psychotic features
- Symptoms not due to substance or medicines
- If the episodes happens after substance or medication but persists after treament is stopped then there is evidence for bipolar 1
GST PPAID
Criteria for bipolar 1
At least one manic episode commonly accompanied by MDE (but not required)
Bipolar 2 criteria
Disorder where there is at least ONE MDE and at least ONE hypomanic episode without past manic episode
Cyclothymia criteria
Numerous periods of hypomanic and depressive symptoms that does not meet MDE criteria for at least 2 years (at least 1 year in children and adolescents) and never without symptoms for more than 2 months
No MDE, manic, mixed episodes and no psychosis
Not due to medical condition or substance use
Symptoms cause clinically significant distress/impairment
Psychosocial interventions for bipolar disorder
CBT, family focused therapy, interpersonal and social rhythm therapy, systematic care managment
Treatment for bipolar mania
Risperidone, olanzapine, aripiprazole, asenapine, ziprazidone, divalproex
ZORAAD
Treatment for bipolar depression
Lamotrigine, olanzapine + SSRI, lithium + divalproex
What medical disorders are prevalent in developmental delay?
Cardiac disease (CAD and CHD), aspiration pneumonia, OSA, GERD, seizure, epilepsy, early onset dementia, hypothyroid, hypogonadism
What DD has a high incidence of thyroid disorders?
Down’s Syndrome
Define cerebral palsy
A neurological nonprogressive condition characterized by motor and occasionally intellectual impairment caused by brain injury before completion of neurodevelopment (ie first TWO years of life)
Can be caused prenatal (intrauterine infections, prenatal stroke, vascular insufficiency, TORCH infection), perinatal (birth asphyxia, prematurity), post natal (CNS infection, kernicterus, trauma)
Common genetic causes of DD
Down’s
Fragile X
Prader Willi
Tuberous sclerosis
PKU
What should you test male patients for after puberty or when exhibiting hypogonadism?
Testosterone levels
Health Maintenance for Down’s
Each visit: check for celiac sx, OSA, cervical spine positioning, myopathy signs
Annual: TSH, hemoglobin, audiological, mitral/aortic valve disease
Q3Y: Cataracts, refractive error, cornea thinning, haze
6 Physical features in Down’s
Small head
flattened facies
protruding tongue
upward slanting eyes
single palmar crease
short fingers
Physical/developmental features in Fragile X
Long face, large ears, hyperextensible joints, macroorchidism, flat feet, ADHD, autism, delayed speech, social anxiety
Cause of Fragile X
CGG trinucleotide repeat of FMRI gene on X chromosome
Signs of cerebral palsy
Spasticity (hyperreflexia, hypertonia, scissor gait, toe walking), athetosis (slow, writing movements), ataxia (wide based gait), intention tremor, global developmental/physical dysfunction
Fetal alcohol characteristic features
Facial anomalies, short palpebral fissures, flat upper lip, flattened philtrum, flat midface, microcephaly
What age is gender identity typically set by?
2-3 years old