EMed Exam Flashcards
What is considered chronic otitis externa?
> 6wks
What is another name for acute otitis externa?
Swimmer’s ear
other than the ear exam, what is an essential part of the PE for an ear complaint?
full cranial nerve assessment
which of the following is NOT a sensorineural cause of hearing loss? presbycusis, meinere’s, ototoxic medications, otosclerosis
otosclerosis
where exactly is a hematoma of the pinna located?
between the perichondrium and cartilage
how long is a chronic OE?
> 6 weeks
what is the concern with OE untreated?
progression to malignant OE or mastoiditis
what are the results of an acute trauma to the middle ear?
perforation of TM
ossicular damage
hematoma of the middle ear
toward which side does Weber lateralize with a TM perforation?
perforated side
what is abrupt onset of ear pain consistent with?
barotrauma
how long does it take hearing to return with a middle ear hematoma?
6-8 wks
what is the most common symptom in adults with AOM?
tinnitus
another name for labyrinthitis
vestibular neuronitis
what is the triad of meniere’s disease?
unilateral hearing loss
tinnitus
vertigo
where do most nose bleeds originate from?
anterior septum (Kiessellbach’s plexus)
what is the most common source of posterior nose bleeds?
sphenopalatine artery
what are the mL used to fill the balloons in the posterior balloon packing?
posterior balloon = 5ml
anterior balloon = 30 ml
what is epiphora?
blockage of lacrimal duct
complications of posterior packing
necrosis of nasal ala
infection
dysphagia
ET dysfunction
another name for allergic rhinitis
hay fever
name 3 differences (in sx) between sinusitis and rhinitis
purulent rhinorrhea in sinusitis - clear in rhinitis
postnasal drip in sinusitis - runny nose in rhinitis
facial pain in sinusitis - itchy red eyes in rhinitis
acute vs chronic sinusitis in terms of duration
acute: < 4wks
chronic: >12 wks
what are complications of a septal hematoma?
septal abscess
septal perforation
cartilage destruction with saddle nose deformity
timeframe within which a septal hematoma can develop
within 72 hrs after injury
ellis classification of tooth fracture
I = enamel alone II = dentin III = pulp
what is pharyngitis
infection or irritation of the pharynx and/or tonsils
which disease gives a hot potato voice?
peritonsillar abscess
what is the dx test for peritonsillar abscess?
neck CT
what is the gold standard dx test for peritonsillar abscess
aspiration of pus from abscess
how much of the needle should be exposed when aspirating a peritonsillar abscess?
0.5cm
where on the abscess should you aspirate?
superior pole first
(if negative) then middle
(if negative) then lower
why should the lateral aspect of the abscess be avoided?
carotid artery is 2.5cm posterolateral to tonsil
where do irregular foreign bodies usually lodge in adults?
lingual or palatine tonsils
valleculae
piriform sinuses
where do smooth foreign bodies usually lodge in adults?
opening to the esophagus
cricopharynxgeus muscle
how are XR and US for foreign bodies used differently?
XR: inorganic things
US: more sensitive for organic matter
when does collagen reformation occur during the wound healing process?
5-7 days into healing
how long does it take for proliferation of bacteria to cause an infection?
3-5 hrs
within what timeframe should a face wound be closed?
24 hrs
within what timeframe should a UE wound be closed?
12 hrs
within what timeframe should a LE wound be closed?
8 hrs
what is done in the interim when delayed primary wound healing is employed?
1) clean and decried devitalized tissue
2) apply saline gauze and cover
3) reirrigate, debride, undermine and close wound after 72-96 hrs
name the types of wounds for which epi should not be used
finger, nose, penis, toes decreased blood flow areas infected wounds CV disease propranolol
how is bacitracin used in wound preparation?
matt down hair around wound
why is peroxide bad for wounds?
inhibits wound healing
hypergranulation
when is wound irrigation performed in the preparation phase?
after anesthesia
how long is a digital tourniquet applied for?
up to 30min
what are the 4 non-absorbable sutures?
ethilon
prolene
silk
nurolon
what are the 5 absorbable sutures?
vicryl vicryl rapide PDS chromic gut fast-absorbing gut
which absorbable suture has the best tensile strength?
PDS
which non-absorbable suture has the best tensile strength?
prolene
what is a subcuticular running used for?
allows suture to remain for longer period of time
not used for acute wounds
how long should non-facial wounds be covered for in order to foster maximal epithelialization and minimal decontamination post repair?
24-48 hrs
which is more likely to get infected - puncture or laceration?
puncture
are abx used for uncomplicated wounds?
NO
what should be covered with abx in a foot injury?
pseudomonas
how long should face sutures remain in for?
3-5 days
how long should scalp sutures remain in for?
7 days
how long should UE/torso sutures remain in for?
7-10 days
how long should LE sutures remain in for?
8-12 days
what is the ppx for bite wounds?
Augmentin 3-5 days
name the 3 phases of rabies infection?
prodromal phase
neurological phase
paralytic phase
what is the bedrock of early ACS tx?
antiplatelet therapy
what HTN meds can be used in pregnancy?
labetolol, nifedipine, methyldopa
who should not receive clopidogrel?
severe CAD requiring CABG
aortic aneurysm measurement for dx
> 4cm
what valve disorder can present with LVH?
aortic stenosis
what is the most common valve disease in the world?
degenerative mitral regurgitation
what is secondary mitral regurgitation?
valve is fine
ventricle or papillary muscles are distorted
what are the BIG 3 of aortic dissection?
mediastinal widening
pulse variance or BP differential
abrupt shearing/tearing pain
what infection can cause aortic aneurysm?
syphilis
other than MI what can cause elevation of cardiac enzymes?
myocarditis
what predicts the severity of pericardial tamponade - rate of accumulation or the volume of accumulation?
rate of accumulation
what are some causes of subacute (slow accumulation of fluid) pericardial tamponade?
ESRD/uremia
neoplasm
what does an EKG show in pericardial tamponade?
decr voltage
electrical alternans
what is a common initial presentation of hypertensive emergency?
flash pulmonary edema
what is another term for neurocardiogenic syncope?
vasovagal syncope
what EKG abnormality can be seen in vasovagal syncope?
vagally mediated afib
what is cardiogenic syncope associated with in terms of presyncopal episode situation?
physical activity
what are 2 important things to assess on the physical exam for someone with a syncopal episode?
murmur and orthostatic vital signs
what are the overall tx goals for someone with wet and cold HF sx?
decongestion and inotropic support
what treatments are best for inotropic support?
dopamine, dobutamine, milrinone
when is the best time to get a US for suspected cholecystitis?
not just after the patient ate (better if gallbladder full)
what is the most sensitive hx question for acute appendicitis?
anorexia
what can patients eat when they have mesenteric ischemia?
soup - absorbed through the stomach
“pain out of proportion of exam”
mesenteric ischemia
in SBO, what is a change from crampy to constant pain suggestive of?
intestinal strangulation
what do high pitched bowel sounds suggest?
SBO
what is the most common cause of acute pancreatitis?
biliary tract disease
what improves acute pancreatitis pain?
supine positioning
what are the scores used for acute pancreatitis?
Ranson
Apache II
Glasgow
what does the Ranson score predict?
mortality
what is “coffee ground emesis” most commonly associated with?
upper GI bleed
what is black tarry stools associated with?
upper GI bleed
what are 4 things that can cause a false positive on hem occult?
PPI, vit C, red meat, jello