Quiz #4 Flashcards
What must be documented on eye exams?
Visual acuity (Snellen chart) and Fundoscopic Exam
What is the most common pathogen of bacterial conjunctivitis?
viral
Txt for conjunctivitis?
anti-histamines
lubricants
Abx (bacteria)
What are the 3 types pathogens can cause conjunctivitis?
viral, bacterial, or allergic
Corneal dendrite w/ fluorescein uptake, often involves trigeminal nerve?
Herpes Simplex Keratitis
Hutchinson Sign
Herpes Simplex Keratitis
Txt for Herpes Simplex Keratitis?
antivirals, optho consult
Often common w/ contact lens use, and visible opaque ulcer?
Corneal ulcer
Txt for corneal ulcer?
requires compounded drops, ophtho consult
Pupil dilates, tightens contact of lens and iris, stopping outflow of aqueous humor?
Acute angle closure glaucoma
Deep “boring” pain, rainbow colored rings or halos around bright lights
Acute angle closure glaucoma
What 3 things can cause acute angle closure glaucoma?
mydriatic (dilating) drops, emotional upset, sympathomimetic and anti-cholinergic drugs
Txt for acute angle closure glaucoma?
drops: timolol, pilocarpine
PO: acetazolamide, osmotic diuretics
Consensual photophobia?
iritis and uveitis
Txt for irits and uveitis?
ophtho consult
Sector of eye involved w/ pain and FB sensation?
Episcleritis
Txt for Episcleritis?
normally self limiting
Med txt for Episcleritis?
lubricating drops and optho consult (ocular NSAIDs after consult)
Very tender eye w/ pain during EOM use, vasculitis?
Scleritis
Txt for scleritis?
oral NSAIDS and optho f/u after discharge
Sudden monocular vision loss, “cherry red spot”
Central retinal artery occlusion
Txt for central retinal artery occlusion?
rebreathe CO2 for arterial dilation, gentle eyeball massage, IOP lowering drugs
Drug txt for central retinal artery occlusion
Timolol, acetazolamide
When should optho be consult in central retinal artery occlusion?
EMERGENTLY retina irreversibly damaged in 90 min
Rapid progressive vison loss, “ blood and thunder fundus”
Central retinal vein occulusion
Txt for central retinal vein occlusion?
CONSULT OPTHO EMERGENTLY!
Painless bright lights, decreased visual fields (curtain drops), visual floaters?
Retinal detachment
Txt for retinal detachment?
Emergent ophtho consult
What causes 60-90% of periorbital cellulitis?
sinusitis
No vision changes or pain w/ extraocular muscle use?
Periorbital cellulitis
Txt for Periorbital celluitis?
Abx and follow closely
Painful extraocular muscle use, diplopia, vision loss?
Orbital cellulitis
What imaging and labs are done for orbital celluitis?
CT scan, CBC, cultures, consider LP
Txt for orbital cellulitis?
IV abx and consult ophtho
Pain and foreign body sensation?
corneal abrasion
Can recall moment abrasion occurred?
corneal abrasion
Txt for corneal abrasion?
antibiotic drops, no contact use
What should not be done with a penetration of the globe?
DO NOT REMOVE impaled item!!
Seidel’s sign?
Penetration of the globe
What is the txt for globe penetration?
protect the globe and call ophtho
What muscle is entrapped in a blowout fracture?
inferior rectus
The eye can’t be moved which way in a blowout fracture?
inability to move eyes upwards
Txt for blowout fracture?
Ophtho consult (open fx)
Most eye complaints should receive follow up in ??
24hrs
Persistent otitis externa despite 2-3 wks of topical antimicrobial therapy should be suspected of having?
malignant otitis externa
What is the imaging for otitis externa?
CT or MRI
What is the txt for otitis externa?
IV abx
A otitis media infection that spreads to the mastoid air cells?
Acute mastoiditis
Protrusion of the auricle and obliteration of the postauricular crease?
acute mastoiditis
What is the imaging for acute mastoiditis?
CT or MRI
Txt for acute mastoiditis?
IV abx, myringotomy, and tympanocentesis
Caused by trauma to the ear sheering blood vessels from cartilage to skin
auricular hematoma
Cauliflower ear
auricular hematoma
Txt for auricular hematoma?
remove fluid and maintain pressure in the area for several days to prevent reaccumulating fluid
What kills insect in the ears?
lidocaine
Txt for insects in the ears?
attempt to remove w/ forceps or flush out
Abx drops to prevent infection from scratches
What are txts for anterior epistaxis?
Afrin
Lido w/ epi covered packing
Chemical cautery w/ silver nitrate
Rhino rocket
Blood that comes from both nostrils and mouth?
posterior bleeding
Txt for posterior epistaxis?
Rhino rocket or foley catheter to apply posterior pressure
When is the Rhino rocket removed for a posterior bleed?
at f/u with ENT
Txt for closed nasal fracture?
refer to ENT within 6-10days
po abx
Txt for grossly open fracture?
EMERGENT ENT consult!
What must be ruled out in all facial and nasal trauma?
nasal septal hematoma
Txt for nasal septal hematoma?
incise and drain the hematoma to avoid ischemic necrosis of the nasal septum
Txt for nasal foreign body?
forceps
parent blows into pt mouth
Med txt for nasal foreign body?
abx for infection post removal
What is the txt for bacterial sinusitis?
abx
How many days of purulent nasal secretions and “double worsening” is considered bacterial sinusitis?
> 7days
Txt for dental abscesses?
incision
Med txt for dental abscesses?
penicillin VK or amoxicillin
Dental pain followed by local swelling that spreads within facial plane?
dental abscesses
oral infection that spreads into bilateral submandibular spaces?
Ludwig angina
Txt for Ludwig angina?
IV ABX
Imaging for Ludwig?
CT face and neck w/ contrast
Emergent surgical consult
Ludwig angina
Sensitivity to hot and cold stimuli as well as air passing over the exposed surface during breathing?
Enamel Dentin Fracture
If the patient cannot follow up with dentist in 2 days what must be done?
dental sealant
Txt dental fractures?
abx prophylaxis
Txt for crown root fractures?
stablize the fracture
abx prophylaxis
What is the dental f/u period for a crown root fracture?
24-48hrs!
How long is splinting required for crown root fracture?
min 4 wks
Txt for luxation injuries?
splint in place and f/u w/ dentist
Txt for avulsions injuries?
DENTAL EMERGENCY!!!
Replace tooth and splint in place abx
What should be done with the tooth in avulsions?
rinse tooth less 10 sec w/ sterile saline or tap water
Collection of purulent material in tonsil?
peritonsillar abscess
Muffled “hot potato voice”
peritonsillar abscess
What is the biggest s/s seen in peritonsillar abscess?
inferior and medial displacement of the infected tonsils
Txt for peritonsillar abscess?
drainage (AVOID CAROTID!!)
Med txt for peritonsillar abscess?
IV steroid x 1 dose, Abx x 10dys
Post tonsillectomy bleeding is most significant when?
days 5 and 10
Txt for Post tonsillectomy bleeding?
Direct pressure to the bleeding tonsillar bed. Moistened w/ either coagulant or lido w/ epinephrine
Any respiratory problems gets a ?
Chest X ray
Diagnostics for ingestion related esophagitis?
upper endoscopy
Txt for battery removal?
endoscopy ASAP
What 2 things shouldn’t be done in caustic liquid?
induce vomiting
Use neutrizling agents
Treatment for overdose patient who “won’t get sick”
stable
benign ingestion
Do well
Treatment for overdose patient who “may get sick”
Stable initially
Intervene early or observe
Most do well
Treatment for overdose patient who “Sick on presentation”
Stablize
Intubate
Antidotes
Supportive care and ICU admit
What are general approach steps?
Look Listen Touch Smell* Dx studies
What is the most important general approach?
Intervene anytime
“DON’T” ?
Dextrose, Oxygen, Naloxone, Thiamine
What should be considered for unclear toxidrome?
DON’T
What is not always reliable?
History
Constricted, pinpoint?
Miosis
Dilated
Mydriasis
What are two test that can be done immediately?
D-stick and ECG
Inhibits the enzyme acetylcholinesterase
Cholinergic Syndrome
What is the txt for cholingergic poisoning?
Atropine
Benzodiazepines
Pralidoxime
What 4 things make up Sympathomimetic syndrome?
Cocaine
Amphetamine class agents
PCP
Catecholamines
Central nervous system excitation
Sympathomimetic Syndrome
Symptoms of cholinergic?
agitation or seizures Miosis increase mouth, lungs, intestine, urine, paralysis increase/decrease- HR Fasciculation and paralysis
Symptoms of sympatho?
agitation, combative Mydriasis (dilated) decrease mouth, lung, intestine Intestine urine hyperthermia
Sympathomimetic poisoning treatment?
Active cooling
Benzodiazepines
B-blocker
IV fluids
Most common cause of antimuscarinic syndrome?
Antihistamines Antipsychotics Tricyclic antidepressants Belladonna alkaloids Antiparkinsonain meds
Competitively inhibits or antagonizes the binding of neurotransmitter acetylcholine to muscarinic acetylcholine receptors
Antimuscarinic syndrome
“Red as a beet”
due to loss of sweat production, skin capillaries dilate
“Hot as a hare”
anhydrotic hyperthermia
“Bland as a bat”
nonreactive mydriasis
“Mad as a hatter”
delirium; hallucinations
“Full as a flask”
urinary sphincters constrict
Treatment Antimuscarinic poisoning?
supportive
sedation if necessary
Physostigmine
Treatment Antimuscarinic poisoning?
supportive
sedation if necessary
Physostigmine
The most important general approach?
Smell
First thing that should be done in a tox pt?
Call toxicologist
Alpha/Beta blocker for sympathomimetic?
Labetolol
Why isn’t beta blockers used?
Can affect alpha blockers which will cause blood rise through the roof
Why isn’t beta blockers used?
Can affect alpha blockers which will cause blood rise through the roof
Red as a beet, dry as a bone, hot as a hare, blind as a bat, mad as hatter, full as a flask
Antimuscarinic syndrome
Antidote for antimuscarnic?
Physostigmine
Txt for sedative/hypnotic poisoning tx?
Supportive care
Flumazenil
Txt for Se/hyp withdrawal?
Benzodiazepine
Thiamine
Txt for opioid poisoning?
Naloxone
Supportive care
Supportive Txt for opioid withdrawal?
Clonidine
Replacement txt for opioid withdrawal?
methadone
buprenorphine
You should treat the ?? and not the ???
patient, NOT the poison
Supportive care?
ABC
Safety net- IV, O2
Temperature control
Electrolyte replacement
What is a GI decontamination based on?
Drug, Dose, Patient
No longer used for gastric emptying?
Ipecac
Why is Ipecac no longer used?
risk of aspiration usually outweighs benefits
When is gastric lavage used?
cases w/ high morbidity
The most common ED complaint?
Abdominal pain
What does the safety Net for abdominal pain include?
Vital signs w/ pulse oximetry O2 supplementation IV access NPO status \+/- IV fluid resuscitation, EKG, NG tube
How does pain being in abdominal pain?
Begins visceral and progresses to somatic pain once the peritoneum is involved
What is important in narrowing the ddx in abdominal pain?
Location and OLDCARTS
Describe the Acute Abdomen?
sudden, spontaneous, non-traumatic 10/10 pain
What does all abdominal pain pts require?
rectal exam w/ stool guaiac and
GU exam- pelvic or testicular exam
What 4 types of imaging are done in abdominal pain?
acute abdominal series
Beside ultrasound
CT scan w/ contrast
MRI
What does the FAST exam include?
Beside US
What does a Beside US look for?
FREE FLUID in the abdomen or pelvic (blood)
What are 4 areas that the beside US views?
Heart
RUQ
LUQ
Pelvic
What 2 things does the eFast or extended FAST exam include?
Chest
Lung viscera
How do you determine if a source is a upper or lower GI bleed?
NG tube
Hematemesis or blood per NG tube?
UGIB
Clear NG tube?
LGIB
What two things are used to determine blood loss?
SBP <100 or HR > 100
A drop in systolic bp indicates what present of blood loss?
30-40%
What is the txt for UGIB/LGIB?
2 large bore IVs- blood products
Igm Ceftriaxone
PPI- IV
What is the treatment for esophageal varices?
Octreotide IVP, followed by continuous infusion
What is the diposition for UGIB/LGIB?
Consult GI, admit to ICU or floor
What is solid organ rupture caused by?
trauma
Massive bleeding is seen in?
solid organ rupture
What causes hollow organ rupture?
variety of causes (excessive dilation, infection, acid/base erosion, trauma)
Bleeding, infection, and sepsis is seen in?
hollow organ rupture
What is the flow of hollow organ rupture?
progressive abdominal pain
Period of pain improvement
Worsening abdominal pain w/ fever
Sepsis
Txt for hollow organ rupture?
(ideally we avoid rupture) IV fluids IV abx Vasoactive meds Pain meds Surgery
Can follow acute embolus, vascular disease, decreased cardiac output?
ischemic bowel disease
Disease where pain is out of portion to exam?
ischemic bowel disease
Txt for ischemic bowel disease?
Surgery! (re-vascularization or necrotic debridement)
What position should pregnant patients be placed in?
semi-left lateral decubitus
Why the semi-left lateral decubitus?
to avoid vena cava compression
How much volume increase is needed for a pregnant pt?
50%
T/F withhold imaging needed for maternal trauma?
FALSE (DON’T WITH HOLD use shielding!)
Vaginal bleeding < 20 weeks indicates?
spontaneous abortion
Dx of vaginal bleeding?
FAST EXAM
Vaginal US
Quant hCG
What med is given for vaginal bleeding in a preggo?
RhO D immunoglobulin (RhoGAM) (Rh - woman)
Disposition for a <20wk old bleeding preggo?
d/c safely w/ close OB follow up
What should be r/o in a preggo >20wks?
abruptio placentae
placenta previa
vasa previa
What should be done before performing a digital or speculum pelvic exam?
Transvaginal US (to locate the placenta)
What is done after a US in a traumatic preggo?
Sterile pelvic exam
Used to identify injury, bleeding, or amniotic fluid leakage?
Sterile pelvic exam
2 things used to determine leakage of amniotic fluid?
Nitrazine paper pH strips
Ferning
Dispostion for trauma in preggo?
> 20 wks require observation or admission for fetal monitoring
What is preeclampsia?
Hypertension > 20 wks + new proteinuria sudden increase in proteinuria OR development of HELLP syndrome
What is HELLP syndrome?
hemolysis, elevated liver enzymes, and low platelet count
What is considered HTN in preeclampsia?
SBP> 140, DBP >80
Mild Preeclampsia txt?
discharge w/ OB fu and after OB consult
Severe Preeclampsia txt?
Antihypertensives- Labetalol, hydralazine, nifedipine
IV magnesium
Definitive treatment for preeclampsia?
DELIVERY
What is eclampsia?
new onset seizures + preeclampsia
When can eclampsia occur?
> 20 wks to 4 wks postpartum
Txt for eclampsia?
Antihypertensives- Labetalol, hydralazine, nifedipine
IV magnesium
Definitive txt for eclampsia?
delivery
What is imminent delivery?
complete cervical effacement and the fetus is at the vaginal introitus
What should be done in a emergency delivery?
Call OB to ED Initiate monitor (if possible) Obtain IV access and begin IV hydration Prepare perineum by washing with soap/water and swabbing w/ povidone-iodine ASSIST IN DELIVERY
When is gastric lavage used?
high morbidity cases (<30min)
When is activated charcoal used?
Sustained release (<1hr)
PHAILS stand for?
P- Potassium H- Heavy metals, Hydrocarbon A- Alcohol, Alkalis, Acid I- Iron, Inorganic salts L- Lithium S- Solvents
Used for body packers?
Whole bowel irrigation
When is hemodialysis used?
lithium, valproic acid, aspirin
Specific remedy that stops or controls the effects of a specific poison?
antidotes
What is the antidote of Tylenol?
N-acetylcysteine
What is used to determine txt for Tylenol?
Rumack-Matthew Treatment nomogram
If ingestion is less than ??? plot on Rumack-Matthew
<8hr
Antidote for tricyclic antidepressants?
Sodium Bicarbonate
Antidote for Beta blocker?
Epi or norepi
Glucagon
High dose insulin w/ glucose
Antidote for Calcium Channel blocker?
Calcium chloride (epi or norepi, glucagon, high dose insulin w/ glucose)
Antidote for iron?
Deferoxamine
Antidote for cyanide?
Hydroxocobalamin
Antidote for Organophosphates?
Atropine and Pralidoxime
Antidote for Sulfonylureas?
Dextrose and Octreotide
Antidote for Hydrofluoric Acid?
Calcium
Antidote for Anti-freeze?
Ethanol or Fomepizole
Antidote for Opiates?
Naloxone
Antidote for Benzo?
NOT FLUMAZENIL— JUST LET IT WEAR OFF- SUPPORT BREATHING!
Antidote for Carbon Monoxide?
Oxygen and hyperbaric chamber
Antidote for snake bite?
Crofab
When should fluids be given?
before vasopressors
Poison center number?
1-800-222-1222