13 results
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
Gram-negative rods ... monocytes; no bacteria ... Few PMNs; no bacteria ... Patterns #Diagnosis #Comparison ... #Table #Presentation
Streptocccus Pneumoniae
Microbiology: Gram Positive, Alpha-hemolytic, Catalase Negative
Epidemiology - 10% adult carriers:
 • Most common cause of:
Streptocccus Pneumoniae Microbiology ... Alpha-hemolytic, Catalase Negative ... cause of: CAP, Bacterial ... Specificity of 97%) Treatment ... Pneumoniae #strep #microbiology
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
follicle • Cause: Bacterial ... , swelling • Treatment ... painless lump • Treatment ... Stye #Chalazion #Comparison ... #Table
Main Lung Ultrasound differences between COVID-19 involvement and other conditions that may yield respiratory symptoms
 •
with superimposed bacterial ... areas #COVID19 #POCUS ... Lung #Ultrasound #Comparison ... #Table #Diagnosis
Pemphigus Vulgaris vs Bullous Pemphigoid - Comparison Table
Pemphigus Vulgaris
 • Epidemiology: Average age 40-60
 • Time
Bullous Pemphigoid - Comparison ... Table Pemphigus ... IgG deposits • Treatment ... Nikolsky sign: Negative ... basement membrane • Treatment
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Features of Non-Bacterial ... serology: Serial negative ... Frequent false-negative ... #Endocarditis #comparison ... Marantic #diagnosis #table
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
developed countries Microbiology ... microaerophilic, gram negative ... bacterium • Urease ... Diagnosis #Management #Treatment
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
• India ink - "Negative ... Fungal #Stains #microbiology ... fungi #fungus #comparison ... #table
Aeromonas spp - Diagnosis and Management Summary
Aeromonas spp: Gram-negative Rods, oxidase positive and glucose fermenter.
Virulence: Toxin
Aeromonas spp: Gram-negative ... toxin secretion, bacterial ... aquatic injury • Bacteremia ... blood cultures Treatment ... Diagnosis #Management #microbiology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
constitutional symptoms • Treatment ... pANCA anti-MPO - Negative ... life-threatening • Treatment ... druginduced #lupus #sle #comparison ... #table #rheumatology