EM #2 Flashcards
What interview technique should you use if someone is profoundly SOB?
yes/no questions
What are asthma risk factors? (5)
- Current steroid use/recent withdrawal
- comorbid conditions
- serious psyc illness (dx-dx interactions, poor-self care)
- illicit drugs (COCAINE)
- low socioeconomic class)
What are risk factors fro death from asthma? (5)
- Prior intubations
- previous ICU admissions for asthma
- recent/frequent ED visits for asthma
- Use of 2+ albuterol inhalers in past month
- use of air conditioning
What are warning signs for severe asthma exacerbation? (7)
- Peak flow under 180 L/min
- PaO2 under 60mmHg
- PCO2 over 45mmHg
- mental status change
- cardiac arrhythmias
- pulsus paradoxus over 20mmHg
- pneumothorax
What SaO2 do you want to keep as asthmatic patient above?
95
What do you want to be continually monitoring on an asthmatic patient?
Pulse ox
What is the MOA of albuterol? (4)
- Relaxes bronchial smooth muscle
- decrease histamine release
- inhibit microvascular leakage into airways
- increase mucocilliary clearance
How often should you eval an asthmatic patient?
after EACH treatment (subjective response, PFT)
What are common SE of albuterol?
tachycardia, tremor, anxiety
What is an alternative to albuterol is someone is allergic to it?
levoalbuterol
What class of drug is albuterol?
B2 agonist
What class of drug is levoalbuterol?
B2 agonist with some B1 activity
What is the MOA of steroids in regards to asthma exacerbation?
- Inhibit airway inflammation
- reverse B-R downregulation
- block leukotriene synthesis
- Inhibit cytokine production and adhesion protein activation
In simple terms, how do steroids help with asthma exacerbation?
speed recovery and reduce recurrence!
What route of steroid admin has NO role in acute asthma exacerbations?
inhaled!
What is a drug commonly given during asthma exacerbation that produces beonchodilation but also has cardiac SE?
epinephrine
Who do you have to be careful of giving epinephrine to?
elderly peeps
What is an alternative to epi that can be given for asthma exacerbations that has LESS CARDIAC SE?
terbutaline
What are 3 other drugs that aren’t commonly used for asthma exacerbations but were in the ppt?
- theophylline
- Mg sulfate (relaxes smooth muscle)
- Heliox
What is status asthmaticus?
severe, prolonged asthma attack which can not be broken by usual treatment
What can status asthmaticus lead to?
severe acidosis
What should be done before crisis of cardiac arrest in status asthmaticus?
Intubation
What are criteria for admission for asthma exacerbation? (5)
- FAILURE OG POST-TREATMENT PFT to increase by 15 percent above initial value, or absolute PFT under 200
- Repeat visit w/n 3 days with no improvement of sxs
- changes in MS
- persistent hypoxia
- persistent increase in work of breathing
What are the 3 steps in COPD management?
- Medication therapy and supplemental O2
- positive pressure ventilation
- Intubation
How do you tx COPD? (4)
- Bronchodilator (ipratropium)
- Steroids (start ASAP for all exacerbations)
- NIPPV (bipap)
- High-flow oxygen
What should you do ASAP for any patient that has mentat status change, increased resp. distress w/cyanosis and acute detrioration?
Intubate ASAP!
What are criteria for hosp admission for COPD? (5)
- marked increase in rxs instability
- onset new physical signs (cyanosis, peripheral edema)
- failure of initial med management to end exacerbation
- new arrhythmias
- older age
What do you have to be careful of when giving a patient high-flow oxygen in COPD patients?
excessive O2 can cause resp. depression and resp. arrest secondary to loss of hypoxia-induced ventialtory drive?
What can cause a young person to have COPD?
alpha-1 antitrypsan deficiency syndrome
What are 3 take home points on COPD?
- give as much O2 as needed
- Steroids and lots of nebs
- avoid intubation at all costs
What are risk factors for a spontaneous pneumothorax?
- tall, thin, male
- smokers
What is the most common part of the lung affected by spontaneous pneumothorax?
apex (top)
What are sxs of spontaneous pneumothorax?
- abrupt onset pleuritic chest pain and dyspnea
- decreased breath sounds
What is tx for spontaneous pneumothorax?
Depends on size and location!
- usually, do nothing and repeat cxr in 24hrs
- need decompression for emergent situations
- thoracic referral
What so you have to be worried about with a trauma pneumothorax?
tension pneumothorax
Do the sxs of pneumothorax usually correlate with extent of collapse?
nope
How do you treat trauma pneumothorax?
- emergent needle decompression
- chest tube placement
Patient presents with pleuritic chest pain, dyspnea and hemoptysis?
classic triad of pulmonary embolism
What are risk factors for PE?
- recent long-travel
- recent surgery
- recent immobilization
- hemoptysis
- h/o cutting d/o
- hx cancer
What is the first step in dx suspected PE?
determine pretest probability
What happens if the patient had a high pretest probability for PE?
STRAIGHT TO IMAGING!
What happens if the patient has a low pretest probability?
PERC
What are the components of PERC? (8)
Need to say yes to ALL:
- under 50
- HR under 100
- O2 sat on room air over 94 percent
- no hx DVT/PE
- no recent trauma/surgery
- no hemoptysis
- no exogenous estrogen
- no clinical sxs of DVT
What happens if the patient doesn’t pass PERC?
IMAGING
What happens if patient passes PERC?
Wells criteria
What are the wells criteria? (7)
- clinical sxs of DVT (3)
- PE most likely dx (3)
- surgery/bedridden for 3 or more days w/n 4 weeks (1.5)
- hx DVT/PE (1.5)
- HR over 100
- hemoptysis (1)
- active cancer (tx w/n 6 months) (1)
What score classifies as a LOW risk wells score?
under 4
What score classifies as a moderate risk wells score?
4.5-6
What score classifies as a high risk wells score?
over 6
What happens if patient is moderate-high risk Wells Score?
IMAGING
What happens if patient is LOW-risk wells score?
D-Dimer to r/o PE!
What is the imaging test of choice for PE?
- CT chest with IV contrast
- VQ scan
What is tx for PE?
- oxygen
- pressor if BP unstab;e
- fibrinolysis
- anticoag
When will d-dimer usually be positive?
Pregnancy
What are common pneumonia pathogens?
- H. influenzae
- Klebsiella
- Staph
- Legionella
How do you treat pneumonia?
- Oxygen!
- abx EARLY! (macrolides, quinolone)
When should you consider admission for someone with pneumonia?
- VS unstable
- bilateral pneumonia
- significant comorbidities
- immunecompromised
- elderly
What are the 5 steps for a medical provider in domestic violence?
- screening
- assessment
- intervention
- documentation
- referrals
What are victims of DV more at risk for?
- stroke
- heart disease
- asthma
- alcoholism
What are feelings victims of DV feel?
- want abuse to end, but not relationship
- still love abuser
- have no support from family/friends
- have children w/abuser and fear safety for them
When should you screen for DV?
screen at EVERY visit!! (explain that you ask everyone these questions)
What should you do for assessment of DV?
- injuries, pattern of abuse
- immediate safety (safe houses)
- danger and potential lethality
- potential suicide/homicide risk
What are injuries and patterns of abuse? (5)
- injury inconsistent w/hx (fractures)
- bruising (multiple areas, different stages of healing, symmetrical)
- burns
- abrasions (scratches, forearms)
- pattern injury (hand print, objects)
Where are common areas of injuries of DV? (6)
- back of head
- neck/shoulders
- face
- posterior arm
- thighs
- butt
What is validation during DV visit?
- express concern for health and safety privately
- offer support/service
- RESPECT choices
How should you document DV?
- use direct quotes as much as possible
- document PE findings on body map
- take pictures w/patients consent
- ask patient if they want to report
What is the most lethal form of DV?
strangulation
What is the best predictor for future homicide victims?
strangulation
What percent of DV victims have experienced stangulation?
50 percent
What structures are affected during strangulation?
- carotid arteries
- jugular veins
- tracheal occlussion
What are sxs of strangulation?
- voice change (hoarseness)
- difficult/painful swallow
- memory loss/mental status change
- loss of bladder/bowel control
What is a physical exam finding of strangulation?
PETECHIAE (face, eyes, eyelids)
What can patients of strangulation die from?
death by carotid dissection
What imaging should you get for strangulation pts?
MRV CTA
What are factors that can attribute to child abuse? (7)
- parents immaturity
- lack of parenting skills
- poor childhood experiences
- social isolation
- frequent crises
- drug/etoh problems
- domestic violence
What are risk factors for child abuse? (9)
- DV w/n fam
- parent psych problems
- parent substance abuse
- parent hx abuse
- mental/physical disability
- low birth weight
- excessive crying/colicky baby
- frequent trauma w/abusive head trauma
- twins/multiple gestations
What are red flags for child abuse? (5)
- injuries w/o hx trauma
- changing hx from historian
- different hx from one historian to the next
- explanation inconsistent w/injury
- delay in seeking care
How should you prep child for physical looking for abuse?
undress child completely
What should you ALWAYS do in exam for abuse?
- fundoscopic (retinal hemorrhage)
- intraoral exam (petechiae)
- anogenital exam
Where are NON-accidental bruises found?
- trunk
- ear
- neck
- cheeks
- butt
- SYMMETRIC
What are locations of accidental bruises?
- front of body
- bony prominences
- extremities
- forehead
At what age should you NOT see bruising?
under 6 months old
What are characteristics of NON-accidental burns?
- immersion patterns
- sharp demarcation
- dorsal hands
- back
- butt
- feet
What are characteristics of accidental burns?
- asymmetric
- irregular borders
- face, neck
- upper torso
- palms
- fingers
What percent of fractures in children under 18 months are from abuse?
85 PERCENT
When should it abuse until proven otherwise?
non-ambulatory child w/humerus, femur, rib fx
What should you do when you find an abuse injury in a child?
get full skeletal survey to look for additional fractures
What is an ocular injury from abusive head trauma?
retinal hemorrhage
What is the best imaging to use when looking for abusive head trauma?
CT
Who is abdominal trauma from abusive more common in?
toddlers
What is mandated reporting?
In children under 6 months, or non-ambulatory, MUST report:
- fracture
- bruising
- subdural hematoma
- burns
- poisoning
- injury w/substantial bleeding
- any confirmed abuse
What is the ACE study?
look for correlation between abuse and long-term health sequelae
What else should you consider if you are suspecting abuse? (4)
- osteogenesis imperfecta
- mongolion blue spot (butt)
- coining/cupping (linear/round marks)
- moxibustion (circular red burns)
What are different forms of elder abuse? (7)
- physical
- emotional (verbal/nonverbal acts that cause intimidation, pain)
- sexual
- financial
- neglect (disregard for basic requirements and safety, lack of care/supervision)
- abandonment
- self-neglect
What is RADAR?
R- routinely ask questions A- ask questions in private D- document findings (body map, photos) A- assess for safety R- resources and review options
What should you do if you suspect elder abuse?
report to adult protective services
What should you do if confirmed elder abuse?
- report to adult protective services
- alert law enforcement (physical and sexual)
- safety planning/admission
What is a SAFE?
sexual assault forensic examiner (healthcare provider who has trained to provide medical/forensic care, collection of forensic evidence and testify in court as expert witness)
What is a sexual assault advocate?
support person who can be present in ED w/patient and continued support after
What are the components of a sexual assault forensic exam? (6)
- history taking
- physical assessment
- evidence collection
- documentation
- assure advocate can be present
- appropriate f/u, safety planning, post d/c support/tx
How soon does a forensic kit need to be done after assault?
5 days
How long can a kit remain anonymous?
90 days
What can you do if a patient refuses a speculum exam?
blind vaginal swabs
What do you do to visualize anatomy and hymenal ring?
labial traction
Who should you NEVER do a speculum exam on?
pre-pubescent female
What do you need to do after you have done a kit?
maintain chain of custody
Who should do the kit if a SAFE is not available?
ED clinician and nurse
What are long-term sequelae of sexual abuse? (4)
- depression
- drug/etoh use
- PTSD
- 13x suicide risk
- IMPORTANCE OF ADVOCATE!
What can be given for PG prophylaxis?
- plan B
- Ella
How long after assault can PG prophylaxis be given?
up to 5 days after assault
Who should you report child sexual assault to?
Spurunk
What are the most common STIs from sexual assault?
- Trich
- BV
- gonorrhea
- chlamydia
What do you give for gonorrhea prophylaxis?
ceftriaxone IM
What do you give for chlamydia prophylaxis?
Azithromycin PO single dose
What do you give for trich and BV prophylaxis?
flagyl PO ince
What do you have to instruct patient when prescirbing flagly?
Don’t take if have dranken etoh w/n 24hrs, and don’t drink alcohol for at least48 hrs after
What do you do for HBV prophylaxis?
- immunized: no tx
- non-immunized: vaccine now, 1-2 months, 4-6 months
- high risk: IgG and vaccine
When should PEP be contemplated?
- unprotected vaginal/anal intercourse
- oral receipt of fluids/blood
- victim who is going to be compliant/finish course
How soon does PEP need to be started?
w/n 72hrs
What are common SE’s of PEP drugs?
- hepatoxicity
- naseau
- fatigue
- myalgias
- rash
- bone marrow suppression
Why do most patients stop PEP?
SE
What baseline labs should be gotten before starting PEP?
- HIV now, 3 months, 6 months (with counseling)
- CBC
- CMP
What medications are used for PEP?
Truvada and Kaletra (2 tabs BID for 4 weeks)
What is the most common cause of abdominal pain in children?
constipation
A person presents with ABRUPT, localized pain that is increased with swallowing. The onset was preceded by violent emesis.
Perforated esophagus
What is a complication of perforated esophagus?
SubQ emphysema present
What are common causes of a perforated esophagus?
- 50-60percent iatrogenic
- 15 percent Boerhaavens (alcoholics, bulimics)
- 10-15 percent FB
What are risk factors for gastric ulcers? (3)
- heavy NSAID/ASA use
- ETOH
- smoking
How do you tx gastric ulcers?
- GI cocktail
- IV
- PPI/H2 blocker
What is a mallory-weiss tear?
partial thickness tear of esophagogastric junction
How do you dx mallory-weiss tear?
EGD
How do you treat mallory-weiss tear?
conservative managment
Patient presents with RUQ pain after fatty meals that radiates to right shoulder/scapula?
colelithiasis
How do you dx cholelithiasis?
transabdominal US
Patient presents with chills, fever and severe post-meals that radiates to right shoulder and has a positive Murphys sign
Acute cholecystitis
How do you dx acute cholecystitis?
US (thickened GB, pericholecystic fluid)
How do you treat acute cholecystitis?
- surgery is definitive tx (keep pt NPO)
- IV mefoxin, nausea meds, pain meds
Patient presents with intermittent, colicky pain radiating to back with fever/chills, jaundice and pancreatitis/sepsis
choledocholithiasis
What is the most common cause of acute cholecystitis?
gallstones
How do you dx and tx choledocholithiasis?
ERCP (and IV abx)
What is the most common cause of pancreatitis?
gallstones (then ETOH)
What are complications of pancreatitis?
- abscesses
- necrotic pancreas
Patient presents with severe, unrelenting pain radiating to back. The pain is worse lying down and better sitting slumped forward with decreased/absent bowel sounds?
acute pancreatitis
What lab findings do you expect to find with acute pancreatitis?
- 3x elevated LIPASE
- 3x elevated ALT
What is Ranson’s Criteria?
prognosis for acute pancreatitis
What is tx for acute pancreatitis?
- NPO
- IV hydration with LARGE amounts of fluids
- IV nausea/pain meds
- abx controversial but likely helpful
What are risk factors for AAA?
- old age
- HTN
- family hx
- atherosclerosis
How much does an AAA grow every year?
1-1.5 cm/year
What is the PE exam of AAA?
palpable, pulsatile, non-tender mass on abd palpation
When do you not need to operate on AAA?
asymptomatic and under 5cm
Patient with periumbilical pain out of proportion to exam?
ischemic bowel
Where does ischemic bowel usually happen?
“watershed” areas of intersecting circulation (splenic flexure, rectosigmoid junction, ascending colon)
What are risk factors for ischemic bowel?
- Over 60yo
- afib
- hypercoagable
- vasculitis
- sickle cell
- TPP
- recent AAA surgery
How do you dx ischemic bowel?
CT w/ oral and IV contrast
How do you treat ischemic bowel?
- surgery (NPO)
- broad spectrum abx (zosyn)
- NG tube
What is mesenteric adenitis?
inflammation of lymph nodes located in intestines/abd wall
Who is mesenteric adenitis most common in?
children/young adults with periumbilical pain
What is the most common cause of mesenteric adenitis?
infection
How do you treat mesenteric adenitis?
Supportive (self-limited)
Who is appendicitis rare in?
under 5yo
What are complications of appendicitis?
-perforation and diffuse peritonitis
When is appendicitis difficult to dx?
PG
How do you dx appendicitis?
- US in children
- CT scan w/PO and IV contrast
Where do most diverticulitis happen?
sigmoid colon (90 percent)
What is NOT a clear risk factor of diverticulitis?
DIET
What causes invasion of colonic bacteria in diverticulum?
fecolith
What are complications of diverticulitis?
- mural abscess
- micro-perforation
How do you treat diverticulitis?
ABX (CIPRO AND FLAGYL)