2086 results
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
skin tissue was negative ... staining confirmed a diagnosis ... #clinical #photo
Osler's Nodes in a patient with infective endocarditis

67yo presents with R occipital intraparenchymal hemorrhage (IPH) attributed
TTE negative but ... confirming our working diagnosis ... #endocarditis #clinical ... #photo #foot
Acute Dacryocystitis- A 4-week-old boy was brought to the emergency department after having drainage from both
He received a diagnosis ... cerebrospinal fluid were negative ... #NEJM #clinical ... #photo #peds #acute
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
fastidious gram-negative ... possible Patient's clinical ... the key to the diagnosis ... #dermatology #clinical ... #photo
Melioidosis - Skin Infection
63M h/o diabetes with c/o fever, chest pain, dyspnea x 3 days, CT
cultures ->gram-negative ... Diagnosis: Melioidosis ... - Gram-negative ... Infection #Cellulitis #Clinical ... #Photo #dermatology
Important Biostatistics and Epidemiology Equations

Sensitivity = TP / (TP + FN) = true positives / disease
FP + TN) = true negatives ... all positives Negative ... / all negatives ... Specificity) Negative ... #calculations #diagnosis
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
cultures were negative ... A diagnosis of pyoderma ... #clinical #photo
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... streptococci - Culture negative ... Bacteria #Pathogens #Diagnosis
Endocarditis Algorithm - Infective vs Noninfective Causes
Noninfective:
 • Malignancy
 • Autoimmune disease
 • Systemic infection
Native Valve
Systemic infection Native ... HACEK • Culture-negative ... epidermidis • Gram-negative ... Enterococcus • Gram-negative ... #Differential #Diagnosis
Positive and Negative Likelihood Ratios Calculations
#Diagnosis #Likelihood #Ratios #LR #Calculations #Equations #Positive #Negative
Positive and Negative ... Calculations #Diagnosis ... Equations #Positive #Negative