Infectious Disease Flashcards
Complications of otitis media
Mastoiditis Meningitis Cholesteatoma Rupture TM chronic otitis media-- hearing loss-- speech and language delay
Dx otitis media
- Otoscope
- red TM
- bulging TM
- loss light reflex
- decrease TM mobility
Tx OM
Ampicillin+ clav
Causes OM
Strep pneumo
H Influ non typable
Moraxella catarrhalis
+ rsv para and Influ
PC bronchiolitis
Low grade temp
Apnea
Cough
Rhinorrhea
PEAK- day 3/4
Tachypnea Wheeze Crackles Hyper resonant Prolonged respiration Intercostal retraction
Dx bronchiolitis
Clinical CXR - hyperinflated Atelectasis Interstitial infiltrate EXCLUDE pneumonia
Nasopharyngeal aspirate
Tx bronchiolitis
Supportive
+ contact isolation
NO STEROIDS
trial albuterol
Ribavarin
Palivizumab
At risk for bronchiolitis
Preme Less than 6 months Males Cardio-resp Immunodeficiency
Causes of bronchiolitis
RSV
+ para and Influ and metapneumovirus
PC croup
PRODROME URI
SOB
inspiratory stridor
Hoarse voice
Barking cough
Dx croup
- Clinical
2. CXR- steeple sign
Tx croup
Mild- fluid mist
Moderate
- oxygen
- IM or oral steroids
- neb race epinephrine
Severe- hospital
- neb race epi
Causes croup
Parainfluenza
Influ, RSV, adenovirus
PC epiglottitis
ACUTE high temp Drooling Dysphagia Cyanosis Inspiratory retractions Neck hyperextended Chin protrusion Tripod
Dx epiglottitis
CLINICAL
secure airway BEFORE exam + anesthesiologist and otolaryngologist
Fibre optic cable
Lateral XR- thumb print sign
Tx epiglottitis
ABCs and airway
Ceftriaxone or cefuroxime
Causes epiglottitis
H Influ
Non typable H Influ
Strep
Viral
PC bacterial meningitis
Headache Nuchal rigidity Fever RICP Papilledema Cranial nerve palsies Petechia rash
PRODROME viral meningitis
Fever
Sore throat
Fatigue
PC meningitis newborn
Poor tone Hypo or hyperthermia Vomiting Bulging funtanelles Sun setting eyes
Kernig sign
Reluctant knee E with hip F
Bruzdinskis sign
Pain with passive flexion neck
Dx meningitis
CT
LP
Tx meningitis
Neonates- ampicillin and cefotaxime OR gentamicin
Kids- ceftriaxone and vanco
Viral encephalitis- acyclovir
Causes meningitis neonates
GBS
Listeria
E. coli
Causes meningitis infants
Strep pneumo
N meningitidis
H Influ
No ceftriaxone in neonates
Biliary sludging
Kernicterus
PC pertussis
Catarrhal- 1-2wks mild URI
Paroxysmal- WHOOP 2-3 months
Convalescent- wanes
Post tussive emesis and apnea
Dx pertussis
Lymphocytosis
Culture
Tx pertussis
HOSPITAL
erythromycin
PC otitis media
Ear pain Ear tugging Vomiting Diarrhea Crying Irritable Difficulty sleeping and feeding
PC tracheitis
3 day PRODROME
Intermediate fever May have stridor Pseudo membrane Slower onset than epiglottitis Variable resp distress
Cause tracheitis
Staph aureus after viral URI
CXR tracheitis
Subglottic narrowing
Retro pharyngeal abscess age
6 months 6 years
PC retropharyngeal abscess
ACUTE FEVER Sore throat Unilateral Posterior pharynx mass Cervical LAD drooling
HOT POTATOE muffled voice
Cause retro abscess
Group A beta strep
S aureus
Bacteroides
Position relief Retro abscess
Supine neck extended
Dx retro abscess
Lateral XR- soft tissue plane
Peritonsillar abscess age
Greater than 10 yo
PC peritonsillar abscess
Drooling
Sore throat
Trismus
Uvula displaced OPPOSITE side
Hot potatoe muffled voice
Cause of peritonsillar abscess
Group A beta strep
S aureus
Strep pneumo
Anaerobes
Dx peritonsillar abscess
Clinical
Tx of abscesses
Incise, aspirate, drain
Antibiotics
AND tonsillectomy (peritonsillar)
Chickenpox PRODROME
Fever
Anorexia
Fatigue
Complications chickenpox
5
Meningoencephalitis
Pneumonia
Hepatitis
Secondary bacterial
Reyes
Complications varicella
Encephalopathy
Aseptic meningitis
GBS
Cellulitis
Arthritis
TTP
Pneumonitis
PRODROME HFM
Fever
Anorexia
ORAL PAIN