step 2 first aid Flashcards
causes of atypical pneumonia
mycoplasma, legionella, chlamydia pneumo
common causes of pneumonia in pts with COPD
H influenzas, moraxella, s pneumo
how can you diagnose pneumonia
2 or more symptoms of acute respiratory infection plus a new infiltrate on Xray or CT
complications of pneumonia
pleural effusion, empyema, lung abscess, necrotizing pneumonia,
how do you treat empyema
surgical drainage and chest tube placement.
treatment of outpatient CAP under 65
macrolide or doxy
treatment of CAP in older than 65 or a comorbidity (COPD, heart failure, renal failure, diabetes)
fluoroquinolone or beta lactam + macrolide
treatment of CAP in hospitalized patients
fluoroquinolone or antipneumococcal beta lactam + macrolide
what is the best INITIAL test for tb?
sputum acid fast stain
what is the most common finding of TB on CXR
cavitary lesion in upper lobe
treatment of active TB
INH, pyrazinamide, rifampin, ethambutol for 2 months followed by INH and rifampin for 4 months
Treatment of latent TB
INH for 9 months
side effect of TB RICE treatment
R: turns body fluid orange
I: peripheral neuropathy and hepatitis
E: optic neuritis
treatment of allergic bronchopulmonary aspergillosis
oral corticosteroids, add itraconazole for recurrent or chronic cases
what does aspergilloma look like on CT or CXR
solid mass within a preexisting lung cavity
treatment of aspergilloma
if symptomatic: itraconazole or surgical resection
common bacterial causes of pharyngitis
group A strep, neisseria gonorrhoeae, C diphtheria, M pneumonia
common causes of viral pharyngitis
rhinovirus, coronavirus, adenovirus, HSV, EBV, CMV, flu, coxsackievirus, HIV
symptoms of strep pharyngitis
fever, sore throat, pharyngeal erythema, tonsillar exudate, cervical lymph, soft palate petechiae, headache, vomiting, scarlatiniform rash
atypical presentation of strep throat
coryza, hoarseness, rhinorrhea, cough, conjunctivitis, anterior stomatitis, ulcerative lesions, GI symptoms.
treatment of group a strep throat
PCN for 10 days
alternative: cephalosporins, amoxicillin, azithromycin.
what is CENTOR criteria
\+ 1 fever \+1 tonsillar exidate \+1 tender LAD \+1 if NO cough \+1 if 0-14, -1 if >45
how do you use centor criteria to treat
score 4-5 give antibiotics
score 2-3 do rapid strep, if negative then culture.
0-1 symptomatic treatment only
symptoms of ludwig angina
rapidly progressive cellulitis of submandibular space- fever, airway compromise